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Operation Pearl

by A. K. Dewdney

“Further, the process of transformation, even if it brings revolutionary change, is likely to be a long one, absent some catastrophic and catalyzing event - like a new Pearl Harbor.”
- Rebuilding America’s Defenses, Project for a New American Century (PNAC)

1 Summary

It is always physically and logistically possible to produce the appearance of a terrorist attack by means that do not employ terrorists, as such. This general principle by no means implies that all terrorist attacks are bogus, only that with appropriate resources, any such attack can be simulated. I will illustrate the principle by laying out a scenario that employs three major elements of deception to simulate the attacks of September 11, 2001.

The first element, called a radar swap, involves in-the-air substitution of one aircraft for another, particularly when the transponders of the aircraft are turned off. The second element employs remote control technology to guide aircraft that have been prepared in advance to fly into pre-designated targets. The third element combines telephonic voice mimicry with a few items of personal intelligence about the caller being simulated. The last element has been explored elsewhere. (Dewdney 2004)

The scenario explored here, called Operation Pearl, has been described in sufficient operational detail that sound judgments can be made about a) feasibility and b) consistency with evidence on the ground. At the time of this writing it is probably the best available description of what probably took place on September 11, 2001.

Under the Operation Pearl scenario, the passengers of one of the flights died in an aerial explosion over Shanksville, PA and the remaining passengers (and aircraft) were disposed of in the Atlantic Ocean.

2 Introduction

Criminal investigations, forensic examinations, scientific inquiries and other attempts to get at the truth of a matter all share the same general procedure, if they are to be successful. The procedure invariably involves the construction of models or scenarios to account for observations and physical facts. Scenarios that are not consistent with facts must be rejected and new ones constructed. The method can even be applied to stage magic. The magician’s scenario explains the matter easily and simply. It’s magic! This scenario is accepted by gullible people but rejected by realists. Given that elephants do not materialize by magic, we seek another explanation. The explanation may involve simple sleight-of-hand or it may involve quite elaborate stage machinery. When chicanery is involved, Occam’s razor must be wielded with extreme care. (See Note #1.)

To account for the events of September 11, 2001, the Bush White House has produced a scenario involving Arab hijackers flying large aircraft into American landmarks. We, like millions of other 911 skeptics, have found this explanation to be inconsistent with the facts of the matter. (See later.) Consequently, some of us have gone the extra step of constructing a scenario that fits the facts better. We have cast about for ideas, potential doorways to what really happened.

Since March of 2002, persons probing the web for further information about the 9/11 attacks could not fail to encounter, sooner or later, a scenario sketched by Carol Valentine. Called the “Flight of the Bumble Planes” (Valentine 2002), it allegedly came from an informant who would only identify himself as “Snake Plisskin,” the name of the hero of the movie, Escape from New York. The informant outlined the basic hijacking method in an email message to Carol Valentine, comparing it to a flight of bumble bees. Watching bees as they buzz around among flowers, it is very difficult to follow individual bees, since they are always passing close to one another.

The metaphor translates into the flight of two aircraft in a confined locale of airspace. If the separation between them is small enough, radar operators will see not two aircraft, but one. On the morning of September 11, 2001, according to the bumble planes scenario, all four “hijacked” aircraft landed at a single airport or air base, transferring passengers to one aircraft, the one that crashed in Shanksville, PA. The scenario, as presented by Valentine, consists of little more than this.

The Operation Pearl scenario adds enough detail to the Valentine scenario to make a feasibility check possible. At the same time, it allows for other disposal methods, including burial at sea. Specifically, Operation Pearl examines the possibility that passengers from three of the hijacked aircraft were placed aboard a single aircraft and were then flown out to sea.

Of course, there is a vast difference between a mere outline and a detailed operational plan. It may turn out, for example, that any attempt to imagine how a specific scheme is implemented runs into snags, as in the attempt by Spencer (2003) to get all four aircraft to one air base long enough for the combined list of over 200 passengers to board a single aircraft, take off and crash near Shanksville, Pennsylvania. Spencer, however, assumed that the takedown of aircraft coincided with the turning off of transponders. The previous release of the Operation Pearl scenario modified Spencer’s assumption to allow takedown prior to the turning off of transponders. There was, it appears, just enough time to effect the transfer while decoy aircraft flew the lengthy routes noted by the White House (and everyone else). Unfortunately, a closer examination of the facts revealed a ten-minute discrepancy between the loss of contact with Flight UA175, as recorded in a transcript of radio traffic that morning, and the time given in major media. Taking the New York Air Traffic Control (ATC) transcript as authoritative, the transfer operation that was indicated by Valentine and explored by Spencer, as well as the previous release of Operation Pearl became untenable.

A new fact emerged at this point, the landing of a mystery aircraft at Cleveland Hopkins Airport while it was closed and evacuated for an hour on the morning of September 11. This fact suggested, without directly implying, that the passengers may have been rearranged into two aircraft, instead of just one. The Operation Pearl scenario has now been completed to a level of detail that makes it possible to evaluate its feasibility, as well as its consistency with the all evidence on the ground, including the Cleveland “mystery aircraft.”

3 The Evidence Filter

Any scenario constructed to account for the events of September 11 2001 must pass a graduated test, as embodied in the following items. These fall into three classes:

Suspicious circumstances

1. At least four of the named hijackers were not in the United States.
(BBC 2002)
2. The WTC towers collapsed without adequate heat stress.
(Huffschmid 2002)
3. Most of the alleged hijackers were incompetant-to-poor pilots.
(Goldstein et al. 2001)
4. Evidence of the alleged hijackers developed too quickly.

Anomalies

1. The US Air Force failed to intercept any of the flights.
(FAA 1998) (FAA 2001)
2. The hijackers’ names did not show up on passenger lists.
(CNN, 2001) (WRH, 2001) (IIIEb 2001)
3. The hijackers’ faces did not appear on boarding gate videos.
4. Black boxes were missing from all but one flight.
5, Two of the aircraft, Flights UA93 and AA77 took long westward
excursions before turning around and proceeding to their
targets. (USA Today 2001)

Impossibilities

1. The Pentagon was not struck by a large passenger aircraft.
(Meyssan 2001) (Holmgren 2002) (Dewdney 2003a)
2. Cellphone calls alleged to have been made by passengers were
essentially impossible. (Dewdney 2004)

A successful scenario must at least explain the contradictions and account for a majority of the anomalies. It is of course desirable that it also account for the suspicious circumstances, but no scenario need stand or fall in this regard.

It must be remarked that the only scenario ever supplied to the public via the official media was the Bush-Cheney scenario, that Arab hijackers seized control of the four aircraft and proceeded to pilot them into national landmarks, killing both themselves and their passengers. Clearly, the Bush-Cheney scenario, considered in detail, explains none of the suspicious circumstances, none of the anomalies and is directly contradicted by the facts adduced in the third category. As scenarios go, it is a distinct failure.

4 Technical Elements

The two major technical aspects of the Operation Pearl scenario involve radar and remote control. Radar technology has been with us since World War Two, some 60 years ago. Remote control technology has been around in various forms for at least twenty years. With a basic understanding of both radar and remote control in relation to 9/11, it becomes possible for the average citizen to think for himself or herself.

4.1 Radar Substitution

A radar screen is essentially a cathode ray tube, like a television screen, that displays aircraft within the circular airspace represented on the screen. Radar operators are the only people who can be directly aware of which aircraft are presently in the sky and where they are going. The vast majority of people are completely unaware of such details and, when an aircraft passes overhead, can usually not tell one type from another, let alone what airline or aviation company may own it. This observation, while something of a commonplace, has important implications. If an organization wishes to substitute one aircraft for another without anyone knowing it, the only people it has to deceive are the radar operators.

The resolution of a radar screen is the size of the smallest point that can appear there, approximately two millimeters in diameter - a “blip.” A typical radar screen, less than a meter in diameter, could therefore be described as less than 500 “blips” wide. If the airspace represented on the screen were 500 kilometers in diameter (approximately 300 miles, a not atypical size), each blip would represent a piece of airspace that is more than 500/500 = 1 kilometer wide.

In other words, as soon as two aircraft get within a kilometer of one another, there would be a tendency for their respective blips to merge. With half a kilometer separation or less, the two aircraft could easily appear as one.

Of course, two aircraft that are that close together run a certain risk of collision - unless they are at different altitudes. Radar screens are two-dimensional in that they represent airspace in the same way as a map does, with the vertical dimension of altitude suppressed. Thus, without additional information in the form of a displayed altitude number, it is impossible for a radar operator to tell whether two merged blips represent a potential collision or not. Altitude information is displayed if an aircraft’s transponder is turned on, otherwise, the radar operator has no idea of the altitude at which an aircraft happens to be flying.

If one aircraft happens to be within a half kilometer of another, above it, below it, or even behind it, the radar operator will see only one aircraft, as long as the two maintain a horizontal (plan view) separation that is no greater than half a kilometer (about 500 yards).

Imagine now two aircraft, both headed for the same approximate point on the radar screen, both with their transponders turned off. One is well above the other but, as the blips merge, both planes swerve, each taking the other’s former direction. The operator would simply see the aircraft cross and would have no way to realize that a swap had taken place.

There are many other swapping patterns available. For example, one plane could apparently catch up and “pass” another when, in fact, it slowed after the blips merged, even as the other speeded up.

Another method involves the replacement aircraft climbing out of a valley where it would be invisible to distant radars, even as the other aircraft descended into the valley. Again, a radar operator would see a more or less seamless flight without realizing that he or she had been momentarily seeing not one, but two aircraft on the radar screen.

Of course, if the transponders are turned on, as explained in the next section, such confusion is less likely to occur. Even in this case, however, the deception can be complete if the aircraft switch transponder codes.

4.2 Aircraft transponders

Every commercial passenger jet carries a transponder, a device that emits a special radio message whenever it senses an incoming radar wave. The signal carries the transponder code, a multi-digit number that serves to identify the particular aircraft to radar operators at air traffic control centers. The purpose of the code is to make it clear to ATC operators which plane is which. Other information sent by the transponder includes the altitude at which the aircraft is flying. Transponders were implemented many years ago precisely for the reason that radar blips are otherwise easily confused. Transponders make the radar operator’s job much easier.

The pilot of an airliner can turn the transponder on or off in the cockpit. He or she can also change the code by keying in a new number.

Transponder codes for all aircraft departing from a given air traffic control region are assigned by the ATC authority more or less arbitrarily at the beginning of operations for the day. The only important criterion for the numbers so assigned is that they all be different. It sometimes happens that an aircraft entering the control area carries the same transponder code as another aircraft that is already in the area. In such a case, one of the pilots is requested to change his or her code to avoid confusion.

4.3 Remote Control

A remote control system of the type used in this scenario employs a signal interface that does two things: It reads signals from a ground station and sends signals back to it. Both sets of signals must pass through the aircraft’s antenna system. In the Boeing 757 and 767 the antenna system is located in the forward belly of the aircraft.

The outgoing signal from the aircraft would include a video signal from a camera located in the nose or other forward portion of the aircraft. Flight data such as control positions, airspeed and other instrument readings are also included in the outgoing signal. The incoming signal from the ground station would include the position of a virtual control yoke (governing direction of aircraft), thrust, trim, and other essential flight parameters.

The virtual pilot sits in front of a reduced instrument panel and a video monitor. A simplified control yoke or “joystick” control is also part of the operator’s equipment. The remote pilot would watch the instruments, as well as the video image, making continuing adjustments in the aircraft’s flight path, just as if he or she sat in the cockpit of the actual aircraft.

Many claims of the attacking aircraft being under “remote control” have appeared on the web since 9/11, but typically with little or no supporting documentation. The claim of a pre-installed anti-hijacking system (Vialls 2001) has proved impossible to verify. Similarly, claims that Global Hawk technology (USAF 98) was used are rampant, but do not quite fit the specific version of Operation Pearl presented here. For one thing, the Global Hawk system does not use remote visual guidance, but onboard navigation electronics that bypass the need for direct, minute-by-minute human control.

The system invoked for the attacks in Operation Pearl is based on the Predator unmanned surveillance vehicle (USAF undated), a modularized aircraft that can be broken into components for ease of shipping and rapid deployment. One of the components includes a remote guidance module which could be refitted to another aircraft (with appropriate modifications) without the need to strip a predator vehicle. The predator operates under remote human guidance from a ground station that, once deployed, would require as few as two human operators during a “secure” operation.

A second possibility involves a system known as a “flight termination system,” manufactured by the System Planning Corporation. (SPC 2000) This system permits hands-on control of a nearly endless variety of aircraft, the control interface being to a large degree customizable. For the purposes of the Operation Pearl scenario, either of these systems might well be adaptable to the remote operations of jet aircraft.

Without question, however, the basic technology for the remote guidance of aircraft has been on hand for many years. For a large intelligence organization it would be a straightforward technical operation to install a remote control system in virtually any type of aircraft, whether a large commercial airliner or anything smaller. The aircraft carrying the installation would be available and prepared in advance, then substituted by a radar swap for the passenger aircraft it was meant to replace.

5 Operation Pearl

In the detailed scenario to follow, Harrisburg International Airport was selected as the base of operations. However, any airport, airbase or landing strip of suitable length within, say, 80 km of Harrisburg might work just as well. The following table displays the takeoff times of the respective aircraft from Boston’s logan Airport, Newark International, and Washington’s Dulles Airport on the morning of September 11, 2001. Assuming a takedown at the first deviation, the flying times to Harrisburg International Airport are calculated and the arrival times of the respective aircraft at Harrisburg are displayed. All flying times are based on the assumption of an average airspeed of 805 km/h (500 mph). In each case, 5 minutes is added at either end of the flight to allow for takeoffs and landings.

Flight Take-down Distance to Harrisburg Flying Time Arrival
AA11 8:16 am 420 km 32 + 5 min. 8:53 am
UA175 8:42 am 200 km 15 + 5 min. 9:02 am
UA93 8:42 am 260 km 20 + 5 min. 9:07 am
AA77 8:46 am 240 km 18 + 5 min. 9:09 am

Since Flight UA93 was already heading in the general direction of Harrisburg, the actual takedown could have been made any time after 8:42, as indicated by the plus sign. According to the “oficial” timeline (USA Today 2001), the first deviation of Flight UA175 took place at 8:42. However, the New York ATC transcript shows that contact with Flight UA175 was not lost until 8:52 am. If Flight UA175 had deviated prior to that time, the transcript would contain a record of the ATC operator querying UA175 about his departure from the flight plan.

As a feasibility check, we may now calculate whether there was adequate time on the ground in Harrisburg to implement either of the disposal schemes presented here. First, if the passengers from the other three flights were all loaded onto Flight UA93, we may work backwards to discover how much time was available for this operation. The flight of UA93 from Harrisburg to Shanksville would travel a distance of 144 km, taking 18 minutes to get there. Thus, to “crash” at 10:06 am, it had to leave Harrisburg no later than 9:45 am. This would give the agents of Operation Pearl (see Appendix C) some 33 minutes to board the passengers from the other flights onto Flight UA93. This is an exceptionally tight schedule for such a time-consuming operation. To ease the schedule somewhat, the present release of Operation Pearl has Flight UA93 proceed to Shanksville following the departure of the takedown agent and a brief search of the aircraft. The passengers from the other three aircraft are all put aboard Flight UA175.

This particular rearrangement scheme is supported by the appearance at Cleveland’s Hopkins airport of two aircraft between 10:00 am and 11:00 am on the morning of September 11. (Box 2003) During this time, the airport was shut down and evacuated for the hour. Cause of the evacuation was a radio message from Delta 1989 expressing concerns that a bomb may have been planted on the aircraft. Delta 1989, landed at approximately 10:15 am and sat on a runway at the FAA Center, its 69 passengers and crew not being deplaned until after 11:00 pm, when the aircraft was searched. At about 10:45, a “mystery” aircraft landed, then proceeded to a remote part of the airport near the NASA Center, where it sat for half an hour before taking off again. It had approximately 200 passengers aboard. Both aircraft were “searched” during their stay at Hopkins airport. Delta 1989, despite arriving much earlier than the mystery flight, was not released until 11:15 am, after the airport had reopened. Passengers from that flight were interviewed, but no passengers from the mystery flight were seen by any member of the media or public during its stay at Cleveland. Their total reported number of approximately 200, matches closely the total number of passengers and flight crews from UA175, AA77 and AA11, namely 192.

There is a possible indication that the mystery aircraft was Flight UA93, based on a statement from United Airlines at the time. Since it was Flight 93 that crashed at Pennsylvania, according to both Operation Pearl and the official scenario, this is probably incorrect. However, the mystery flight does appear to have been United Airlines equipment, so if it was not Flight 93, it may well have been UA175 (which was supposed to have struck the WTC south tower well before this). In any case, it makes no difference to the feasibility of Operation Pearl if the roles of Flights UA175 and UA93 are interchanged.

In order for Flight 175 to arrive in Cleveland by 10:45 am, it would have to leave Harrisburg some 40 minutes earlier, no later than 10:10 am, some 25 minutes after the departure of UA93 for Shanksville. This gives ample time to load the passengers and crew of Flights AA11 and AA77 aboard UA175 prior to its departure at 10:10 am (or even somewhat before that).

A master timetable for the entire operation has been provided at the end of this article. Readers may wish to consult this table, along with the accompanying map, in order to obtain a birdseye view of all four flights, as alleged in the Bush-Cheney scenario.

We will now examine key elements of Operation Pearl in the form of mini-dramatizations that place the reader in the scene, as it were. The following sketches supply enough detail to provide a secondary check on feasibility. I have used a compact notation to refer to the four replacement flights, simply appending an “X” to the flight number. Thus “UA93-X” refers to the replacement aircraft for flight UA93.

5.1 The takedown

The morning of September 11 dawned bright and clear over Boston’s Logan Airport as crews arrived for the first flights of the day. The departure lounge for American Airlines Flight 11 was already filling with passengers when John Ogonowski, the pilot, and Thomas McGuinness, the second officer, arrived to board their Boeing 767 and begin the preflight check.

As passengers slowly filed past the check-in counter and onto the boarding ramp, the flight officers proceeded through the cockpit checklist. The weather would be perfect for flying. Only one little detail soured Ogonowski’s day. He had been informed that an FBI antiterrorism agent would be aboard the aircraft. Among the incoming passengers, a nondescript gentleman in a business suit settled into a seat in first class. Just as the giant turbofan engines began their warmup, a stewardess reminded the gentleman, now scribbling on a piece of paper, to fasten his lap belt.

“Certainly. Er, would you mind giving this note to the captain?”

She took the note forward, handing it to Ogonowski, who read it with more than passing interest.

“Hmmm. I guess it’s real. Take a look at this, Tom.”

McGuinness read the note.

My name is Bill Proctor, FBI anti-hijacking team. We have
information that hijackers may be aboard the aircraft today. I
repeat, may. My partner and I are on this flight to prevent such a
happening. We wish our presence on board to be kept confidential.
I am in seat 7A. Thank you for your cooperation.

“I’d better take a look at this guy,” said Ogonowski. Take her out while I go back for some coffee.”

The engines roared to life and the aircraft began to roll out to the taxiway. Ogonowski spotted the gentleman and pulled the note from his breast pocket. The gentleman nodded and smiled back.

“I’m sorry. I still have to ask to see your ID.”

“Certainly.” The man handed Ogonowski a small wallet, flipped open to reveal the famous logo.

On his way to the galley, Ogonowski scrutinized the passengers from the corner of his eyes. Instinctively, he looked for swarthy, middle eastern types, somewhat reassured to see none.

The takeoff was smooth and the 767 climbed into clear blue skies, with several wisps of cirrus off to the west. About 15 minutes into the flight, just as the flight officers were relaxing and thinking a hijacking rather unlikely, another note arrived via the stewardess.

We have spotted two terrorists on board. I must come forward to
discuss the situation with you. Bill

“What the hell! Is this guy serious?”

“Jeez. I guess so.”

Inside the cockpit, the gentleman wore a serious frown.

“We’ll have to land at Harrisburg, where we have facilities to deal with this problem. Use the 80.7 kHz frequency and do not engage in any other radio activity at this time, please. Identify yourself as American Flight 380 and tell them you have a faulty fuel pump in Number Two engine.”

“Where are the terrorists?”

“Don’t worry, they’re here. By the way, you must also turn off your transponder. Now.”

Ogonowski turned off the transponder and turned on the PA system.

“Ladies and gentlemen, we have experienced a slight difficulty with one of our fuel pumps and must land to have it checked. American is sorry for the delay. We’ll have alternate transportation ready for you as soon as possible.”

The gentleman smiled, nodding approvingly. A murmur of groans and complaints filtered into the cabin. Meanwhile, unknown to anyone aboard Flight AA11 (except, possibly, the agent), another aircraft shadowed flight AA11, below and slightly behind them. It climbed, even as flight AA11 descended. The route of Flight 11-X slowly diverged from that of Flight 11, heading southeast toward New Jersey, even as Flight 11 headed southwest, toward Harrisburg. The shadow aircraft had no one aboard, merely a remote control system and explosives.

“One more thing. As soon as we touch down, proceed immediately to the military hangars at the north end of the airport. We have a team of agents there who will board the aircraft as soon as you can get the doors open.”

Although Ogonowski sent no messages to New York ATC, he listened intently to the radio chatter as the flight proceeded southward toward Harrisburg, a trip that would last approximately 25 minutes:

“UAL175 at FL310.”

“UAL 175 New York center. Roger.”

“New York do a favor. Were you asked to look for an aircraft, an American flight about about 8 or 9 o’clock 10 miles south bound last altitude 290? No one is sure where he is.”

“Yeah, we talked about him on the last frequency. We spotted him when he was at our 3 o’clock position. He did appear to us to be at 29,000 feet. We’re not picking him up on TCAS. I’ll look again and see if we can spot him at 24.”

“No, it looks like they shut off their transponder. That’s why the question about it.”

Ogonowski smiled grimly. That would be them. About seven minutes before they would land at Harrisburg, his ears perked up.

“Anybody know what that smoke is in lower Manhattan?”

“I’m sorry, say again.”

“A lot of smoke in lower manhattan.”

“A lot of smoke in lower Manhattan?”

“Coming out of the top of the World Trade Center building, a major fire.”

“And which was the one that just saw the major fire?”

“This is DAL1489 we see lower Manhattan. Looks like the World Trade Center on fire, but it’s hard to tell from here.”

Ogonowski would never know that his name would shortly appear in the media as part of a long list of those who perished in the event now unfolding.

Ahead of him the layout of the Harrisburg Airport, faintly discernible in the distance, grew slowly in size. The aircraft banked and made its final approach. More radio chatter revealed chaos and uncertainty at the New York ATC, as well as at control towers throughout the area. Everyone involved had entered a state of distraction that would only deepen when the federal Aviation Agency would issue an order for all aircraft to land.
Flight AA11 would be the first of many emergency landings at Harrisburg International that day.

The 767 glided smoothly to touchdown, its air brakes howling. The aircraft slowly rolled to a crawl, then turned onto a taxiway that led to an Air National Guard hangar, where a man with orange batons waved them in. As soon as the flight crew got the doors open, one of the group of waiting officials rolled a large gangway to the open door and three agents dashed up the stairs. One of them had a bullhorn.

“Ladies and gentlemen. We must ask that you leave the aircraft immediately. Leave all personal belongings and carryon bags aboard the aircraft. This includes cellphones. Do not attempt any cellphone calls, as they could trigger any explosives on board. We’ll begin evacuation from the front of the aircraft.”

Dutifully, the passengers filed from the aircraft in orderly fashion, making their way down the steep gangplank to be searched for cellphones at the bottom, then joining a crowd that had formed around another official.

“Ladies and gentlemen. It is now safe to tell you that you have just escaped being hijacked by Arab terrorists. We will apprehend the suspects and search the aircraft for bombs and other dangers to public safety. Unfortunately, this procedure may take some time and we have no facilities for you here. We’ll have to put you on another flight, as soon as it arrives. I realize that this is very inconvenient and we apologize. However, you can think of yourselves as among the luckiest people in America today.”

As he spoke, two officials led a disheveled man in handcuffs down the gangplank. He had olive-colored skin and a dark beard. A murmur went up from the crowd.

“Where the hell did he come from?” muttered McGuinness. He had a feeling of unreality in the pit of his stomach. He felt nauseous.

By then, another aircraft, flight UA175, had landed and was now taxiing toward the same hangar. The officials herded the passengers into the hanger, where they were told to wait. The officials then went to greet the second aircraft, where they repeated the procedure.

Tower personnel were of course aware of the two flights parked at the Air National Guard hangar. They were aware that the aircraft were being inspected by some kind of security team but, beyond that, they paid little heed to the operation. They were too busy coordinating some very busy airspace.

5.2 Swapping aircraft

At the New York air traffic control center rows of radar operators “pushing tin,” as they call it, monitored flights into and out of New York airspace, talking to the pilots occasionally on their throat mikes. Each operator had several flights to monitor, a job that guaranteed one of the highest stress levels of any occupation in the travel industry.

We pick up the transcript at 8:37 in the morning, somewhat before UA175 went missing. In fact, the pilot of UA175 assisted in the search for Flight AA11, as we shall presently see. We pick up the conversation between one of the controllers (bold face) and the aircraft under his responsibility. (NYT 2001) My commentary within the transcript has been placed in square brackets.

“USA583 checking in at FL350.”

“USA583 Roger.”

“42-39 see the 823 FL350 reference that guy on left.”

“I gave the FDX turns. Do what you want, reference the FDX.”

” R49 310.”

“FDX226 contact New York Center on 133.47. Good day.”

“33.4 FDX3226 heavy.”

“New York UAL 457.”

“Sector 10 point out west of LRP 712 at FL410.”

“Point out approved.”

[The time was 8:40 am. United Airlines Flight 175 came on the air with some information to report.]

“UAL175 at FL310.”

“UAL 175 New York center. Roger.”

“New York do a favor. Were you asked to look for an aircraft, an American flight about about 8 or 9 o’clock 10 miles south bound last altitude 290? No one is sure where he is.”

“Yeah, we talked about him on the last frequency. We spotted him when he was at our 3 o’clock position. He did appear to us to be at 29,000 feet. We’re not picking him up on TCAS. I’ll look again and see if we can spot him at 24.”

“No, it looks like they shut off their transponder. That’s why the question about it.”

“New York UAL175 heavy.”

“UAL 175 go ahead.”

“We figured we’d wait to go to your center. We heard a suspicious transmission on our departure from BOS. Sounds like someone keyed the mike and said, ‘Everyone stay in your seats.’”

[See Note #2.]

O.K. I’ll pass that along.

“It cut out.” (UAL 175)

“IGN 93 line.”

“Go ahead.”

“UAL 175 just came on my frequency and he said he heard a suspicious transmission when they were leaving BOS: ‘Everybody stay in your seats.’ That’s what he heard as the suspicious transmission, just to let you know.”

[Then US Air Flight 583 called in.]

“Center, where do you place him in relation to 583 now?”

“He’s off about 9 o’clock and about 20 miles. Looks like he’s heading southbound but there’s no transponder, no nothing, and no one’s talking to him.”

[The flight in question could be either Flight AA11 or Flight AA11-X.]

“Hello New York good morning DAL2315 passing 239 for 280.”

“DAL2315 New York Center. Roger.”

“New York center DAL2433 310.”

“DAL2433 New York Center. Roger.”

[Four minutes later the time was 8:46 and the mystery had not been solved. Flight 11-X was flying an angular route south, then east. Other flights continued to converse with New York ATC.]

“Direct PTW DAL 1489 heavy.”

“Roger.”

“DAL2315 contact the New York Center on 134.6. Have a nice day.”

“134.6 DAL2315.”

“34.6 3-4-point 6.”

“USA429 leveling off at 350.”

I’m sorry, who was that?

“USA429 leveling at 350.”

“USA429, New York Center roger.”

[As we will shortly see, the radar operator lost track of Flight AA11, as evidenced by his queries of pilots in the area, as well as his failure to make any connection between the World Trade Center fire (about to be reported) and Flight AA11. It appears that the flight had simply been lost in the swarm of blips that crowded every screen at the New York ATC.]

“Anybody know what that smoke is in lower Manhattan?”

“I’m sorry, say again.”

“A lot of smoke in lower manhattan.”

“A lot of smoke in lower Manhattan?”

“Coming out of the top of the World Trade Center building, a major fire.”

“And which was the one that just saw the major fire?”

“This is DAL1489 we see lower Manhattan. Looks like the World Trade Center on fire, but its hard to tell from here.”

“DAL1489. Roger.”

“Let us know if you hear any news down there.”

“Roger.”

“DAL 1043 cleared direct PTW.”

“Direct PTW DAL 1043.”

At 8:51 am, the operator was still in touch with Flight 175, asking the pilot to change his transponder code.

“UAL175 recycle transponder squawk code 1470.”

“UAL175. New York.”

[But at 8:52 am, things went wrong with Flight UAL175, as well.]

“UAL175 do you read New York?”

“DAL1489 do you read New York?”

“DAL1489. Go ahead.”

“O.K. Just wanted to make sure you were reading New York. United, United 175. Do you read New York?”

“IGN on the 93 line. Kennedy.”

“IGN on the 93 line East Texas.”

“IGN.”

“Do me a favor. See if UAL175 went back to your frequency.”

“UAL 175?”

“Yes.”

“He’s not here. East Texas.”

“10 - Do you see that UAL175 anywhere? And do me a favor. You see that target there on 3321 code at 335 climbing? Don’t know who he is, but you got that USA 583. If you need to descent him down you can. Nobody. We may have a hijack. We have some problems over here right now.”

“Oh you do?” (another operator)

“Yes, that may be real traffic. Nobody knows. I can’t get a hold of UAL175 at all right now and I don’t know where he went to.”

[The transcript reveals a new aircraft with transponder code 3321. The aircraft has already climbed to 33,500 feet. This may have been the replacement aircraft for Flight 175.]

“UAL 175 New York.”

“New York 583.”

“USA583 go ahead.”

“Yes. Getting reports over the radio of a commuter hitting the World Trade Center. Is that nordo [no radio] 76 [Boeing 767] still in the air?”

It is interesting that the initial report of the first WTC attack involved not a 767, but a smaller commuter aircraft. From that point on however, things got increasingly hectic at the New York ATC center. Operators glanced at the screen space centered on Manhattan and eastern New Jersey, trying to guess which aircraft was Flight 175.

On all screens there were often several aircraft without transponder codes. Some of these were local flights, mostly smaller aircraft. The presence of such blips would probably have made the radar operator;’s job much harder. Taking one’s eye off a suspicious aircraft to check other aircraft in the area, might make it impossible to be certain which aircraft it was when the operator glanced back. This, in any case, was apparently what happened.

5.3 The World Trade Center

It would have been an eerie experience to ride the 757 that we have called Flight 175-X. Walking the aisles, we would have seen the seats all stripped from the aircraft, the walls lined with fuel drums, like so many token passengers. Cables ran up the aisle to the cockpit, where a large black box sat on the floor, just in front of the control console. Some of the cables fed into several openings in the console, others passed through openings in the floor into the aircraft’s belly, where the antenna system communicated with a ground station.

At the ground station, an operator watched a color television monitor. On it, he could see the Manhattan skyline looming steadily larger. He adjusted the joystick slightly to the right, aiming for the south tower, then pushed the stick forward slightly. The aircraft slowly descended until it was level with the upper third of the still distant building. An ironic smile crossed the operator’s face. This was not exactly the intended use of the Predator technology.

About a minute from impact, a steady crosswind that the operator had not taken into account had pushed the aircraft off course to the east, even as the tower loomed faster than he thought it would. He was going to miss! Damn. He pulled the joystick sharply to the left.

Just when the corner of the south tower was about to disappear from the screen, it swung back into view again, the building now appearing sharply tilted to the right. He saw several rows of windows. Close, then very close. In the last frame, he caught a glimpse of some office people staring from one of the windows in horror. Then the screen went blank. To think of how close he came to missing!

5.4 Back at the base

Under the Operation Pearl scenario, the takedown of all four flights would be conducted in the same manner, flights UA93 and AA77, being no exceptions. By the time Flight UA93 arrived over Harrisburg, the alarm had been out for a good 20 minutes. Flights were coming down everywhere. Airport tower personnel, as well as those at all air traffic control centers, were simply overwhelmed. In this context, bringing flights UA93 and AA77 into Harrisburg were relatively simple and secure operations involving little more than switching to a new transponder number, landing and proceeding to the same processing area. The same cover story still worked, since it was not known at the time whether aircraft might be targeted, as well as buildings.

The swap of flight UA93-X for flight UA93 would have been far less exposed to radar than the swaps in the NY phase of the operation. As Flight UA93 descended into the radar shadow of the Susquehanna valley close to Harrisburg International, an executive jet rose out of the valley, below and immediately behind the aircraft. The swap would have been seamless, with Flight UA93 turning off its transponder about the same time that the pilot of Flight UA93-X turned his on. Flight UA93-X then turned northeast to follow an erratic path to the west as far as Cleveland before looping back to head for southern Pennsylvania.

Continuing with the special narrative, we see how the flight crew of Flight UA93 may have been prepared for their final flight. As the passengers re-boarded Flight UA93, the officials held a special conference with pilot Jason Dahl and First Officer LeRoy Homer.

“Fellows, we’ve made a thorough check for bombs on board, and we’re sure it’s clean. You will be picked up by a military escort aircraft as you leave. Please be sure to follow that aircraft and stay in communication with it. Frequency will be 118.7 MHz. all the way. Fly at the same level of 4000 feet. If it should happen to deviate from it’s flight path, it may be checking something out. Just stay on course. Your escort will rejoin you soon enough.”

Pilot and first officer nodded, then climbed the stairs, entered the cockpit and began the preflight check for the second time that morning. Meanwhile, passengers filed into the aircraft, urged on by the officials, until all were aboard.

At 9:45 the 757 roared off the runway at Harrisburg and set course for the west, even as a military-looking all-white aircraft rose from low altitude to fly off their port wing.

“This is your Escort Bravo One. We’re not very fast, here.” said the military pilot. “Reduce your airspeed to 400 knots and stay directly behind with minimal separation.”

“I’ve seen that kind of aircraft before,” said Homer.

“Yup. That’s an A-10 Warthog,” said Dahl. “And she’s armed to the teeth. See the missiles under the wing?”

“Warthog? Funny name.”

“Actually, it’s called the Thunderbolt, but I guess everyone thinks the thing is too ugly to be called anything but a warthog.”

5.5 The Crash at Shanksville

The two aircraft climbed out along the valley of the Susquehanna, then headed southwest along a succession of valleys, emerging at last into a large, relatively flat basin, partly forested and dotted with farms and villages. Ahead of the them, the white aircraft, flight UA93-X, suddenly turned off and began circling around to the east, descending as it went.

Shanksville resident Susan Mcelwain watched the white aircraft pass directly over her minivan:

“It came right over me, I reckon just 40 or 50 feet above my van,” she recalled. “It was so low I ducked instinctively. It was traveling real fast, but hardly made any sound. (UF93 2001)

“Then it disappeared behind some trees. A few seconds later I heard this great explosion and saw this fireball rise up over the trees, so I figured the jet had crashed. The ground really shook. So I dialed 911 and told them what happened . . . “

“There’s no way I imagined this plane - it was so low it was virtually on top of me. It was white with no markings but it was definitely military, it just had that look. It had two rear engines, a big fin on the back like a spoiler on the back of a car and with two upright fins at the side. I haven’t found one like it on the internet. It definitely wasn’t one of those executive jets. The FBI came and talked to me and said there was no plane around.”

The description of the mystery aircraft given by Ms Mcelwain happens to match only one military aircraft currently in use by the US armed forces, namely a (repainted) A-10 Thunderbolt, a heavily armed aircraft used in ground support roles. (McChord 2003) Several other witnesses saw the same aircraft, both before the crash and after it, circling the area. (Flight 93, 2001)

Two area residents, both quite close to the crash scene, heard missiles being fired. One, a Viet Nam veteran, was quite sure about what he had heard.

Mcelwain and many others heard one or two tremendous explosions rock the sky over Shanksville, the concussion actually shaking the ground. Debris rained down for miles around. One engine landed nearly a mile from the alleged crash site. Body parts, luggage, scraps of metal, bits of in-flight magazine plummeted or fluttered to the ground a mile or more away.

The white aircraft turned, took one more pass, then headed back to its base of operations. Mcelwain called 911.

The Shanksville “crash” of Flight 93 presents us with a number of mysterious reports of a midair explosion (or explosions) as well as the presence of a white “mystery jet” seen in the area by many local residents.
The midair explosion was heard by virtually everyone in the area, of course. The debris field resulting from the explosion was apparently much more extensive than what would result from an ordinary crash, with all the debris within a narrow compass laterally to the incoming flight path. New Baltimore resident Melanie Hankinson, who lives some eight miles from the crash site, found paper debris from the aircraft, including remnants of United Airlines in-flight magazine, Hemispheres. Other debris, including body parts, were scattered over a space of miles. One of the engines were found a “considerable distance from the crash site,” according to State Police Major Lyle Szupinka.

Shanksville Mayor, Earnest Stuhl, has stated that at least two area residents, both living within a few hundred yards of the debris field, heard missiles being fired. One of the witnesses, a Viet Nam veteran, had heard missiles fired from aircraft many times during his tour of duty and claimed that it could not be anything else.

5.6 The Attack on the Pentagon

About the time that Flight AA11-X struck the north tower of the World Trade Center in New York, Flight AA77-X, another Boeing 757, but painted in American Airlines livery, took over from Flight AA77. Like Flight UA93, Flight AA77 dropped into one of the numerous valleys that run the length of the Alleghenies, possibly the valley of the Shenandoah River. Meanwhile, Flight AA77-X fled westward across West Virginia before looping back, close to the border of southern Ohio. It had to do this, of course, to provide time for the deplaning operation at Harrisburg. Shortly after turning the aircraft around, the pilot turned off his transponder and headed straight for Washington, DC.

By 9:30 am Flight AA77-X was already over Virginia, closing rapidly on the capital. As it approached the Pentagon from the west, another smaller aircraft under remote control, possibly an F-16 Falcon, came into the Pentagon from the southwest. It came very fast. Flight AA77-X banked sharply to pass over the Pentagon from the same direction, then overflew the building. In the direction it was traveling, it was already lined up with a runway at Reagan International and may well have landed there. Although visible on local radar as an overflight, AA77-X was confused with the incoming smaller military aircraft, which would have been visible as a second blip. Operators would have been led to assume that the second blip represented the overflight.

The small military aircraft slammed into the bottom floor of the 80-foot high Pentagon, its fuselage punching a hole in the two-foot thick limestone block wall.

5.7 Disposal

Getting rid of the original aircraft was trickier than one might suppose. One could not simply wash off the paint with an acid scrub and sell the aircraft to a third world country. Nor could one break the aircraft up and sell the parts. Indeed the parts, thousands of them, were all stamped with serial numbers that were registered to their respective aircraft. They could be traced. For this reason, it would have been much cleaner to dump the aircraft in the Atlantic Ocean. Near the end of Operation Pearl, three aircraft remained to be disposed of. Flight UA175 had gone to Cleveland, while Flights AA11 and AA77 were still at Harrisburg.

In spite of the nationwide calldown of all aircraft, a limited number of aircraft were permitted to take off again, perhaps under the blanket of “national security.” Operation Pearl invokes the simplest possible scheme in which all three flights with pilot operatives take off from their respective locations late on the morning of September 11. Their identities and transatlantic flight plans are bogus. After clearing the oceanic side of the New York ATC control area and being well off the continental shelf, the three aircraft are ditched. A variety of methods are possible for this final operation. The simplest involves each pilot putting his aircraft on autopilot directed to a specific area of the Atlantic Ocean, the amount of fuel on board being just sufficient to reach it. Strategically placed charges in both the roof and belly of each aircraft would insure a rapid, debris-free submergence. Of course, each pilot would bail out of his respective aircraft at points (either on land or offshore) where they could easily be picked up.

6 The Four Flights Considered Individually

It has been no doubt confusing for the average reader to follow the timeline given here. By necessity the narrative has jumped from aircraft to aircraft as time progresses. In this section, we will examine each flight in turn, summarizing the major events under the Operation Pearl scenario.
Since we have already dealt with the passage of time in order to assure consistency and continuity, I will omit times altogether in this summary.

Flight AA11: After departing Boston’s Logan airport early in the morning, American Airlines Flight 11 was commandeered by a man claiming to be an FBI agent and ordered to land at Harrisburg airport. Before the aircraft landed, another aircraft had replaced Flight 11 by the radar swap technique and had followed a route subsequently tracked by radar operators to the New York area, where it crashed into the World Trade Center north tower. Meanwhile, Flight AA11 was searched for bombs and then the passengers were loaded into UA Flight 175 and flown to Cleveland’s Hopkins airport. There, the passengers were gassed and tissue samples removed before the flight departed for deep burial in the Atlantic Ocean.

Flight UA175: After departing Boston’s Logan airport somewhat later than flight AA11, flight UA175 was also commandeered in the same manner as Flight AA11, subsequently landing at Harrisburg. Meanwhile, a Boeing 767 aircraft loaded with extra fuel and piloted by remote control had replaced Flight UA175 by the radar swap technique. It crashed into the south tower of the WTC. At Harrisburg, the passengers of UA175 were deplaned while the plane was searched, then allowed to reenter the aircraft. After the passengers and crews of the other two flights were loaded aboard Flight UA175, it departed for Cleveland, as already described in the previous paragraph.

Flight AA77: Flight AA77 left Washington’s Dulles airport and headed west, then north to Harrisburg after being commandeered and replaced by a lookalike aircraft. At Harrisburg, it was treated in exactly the same manner as Flight UA175, the crew and passengers ending up in Cleveland, as already described. The surrogate aircraft which we have called Flight UA77-X continued westward almost to the western border of West Virginia before looping back toward Washington. Just after performing the turnaround, Flight AA77-X turned off its transponder. In Washington, it passed over the Pentagon through an enormous cloud of smoke created by the impact and explosion of an F-16 military jet impacting the building itself just a second or two earlier. (Few people happened to be looking in the direction of the impact, their attention being diverted by a large military aircraft performing strange acrobatics over the capital.) Flight AA77-X subsequently landed at Reagan International, identifying itself in a normal way.

Flight UA93: Not long after leaving Newark, Flight UA93 was commandeered to Harrisburg after being replaced by Flight UA93-X, a smaller, twin engine jet aircraft that carried the same transponder number as Flight UA93, the pilot turning his transponder on just as the pilot of Flight UA93 was told to turn his off. Flight UA93-X flew an erratic route as far west as Cleveland, where it made the same kind of abrupt turn as Flight AA77-X had, then turning off its transponder and flying directly toward Washington DC. (During this time the cellphone operation went into effect for Flight UA93, just as it had with at least two of the other flights.) At Harrisburg, Flight UA93 was searched and released sooner than the other three aircraft. It flew in the direction of southern Pennsylvania, arriving over Shanksville just as UA93-X came in from the north carrying UA93’s transponder number. It was shot down by powerful missiles from an A10 Thunderbolt which, along with (surrogate) Flight UA93-X, returned to base.

7 The Evidence Filter

We are now in a position to review the evidence and its relationship to the Operation Pearl scenario described above. Below each item in the original checklist, I have placed a brief explanation of the suspicious circumstance, anomaly or direct contradiction.

Suspicious circumstances

1. At least four of the named hijackers were not in the United States.

Explanation: The alleged hijackers were not on the aircraft, in any
case. (Their names may have been selected from a list of lapsed or
stolen passports.)

2. The WTC towers collapsed without adequate heat stress.

Explanation: The lack of passenger corpses, luggage, etc, had to be
concealed by burial beneath the rubble resulting from a controlled
demolition.

3. Most of the alleged hijackers were rather poor pilots.

Explanation: The alleged hijackers were not aboard the aircraft, in
any case.

4. Evidence of alleged hijackers developed too quickly.

Explanation: Evidence was planted in order to have the story develop
quickly.

Anomalies

1. The US Air Force failed to intercept any of the flights.

Explanation: No interceptors were deployed since their pilots would
have reported the substitute aircraft.

2. The hijackers’ names did not show up on passenger lists.

Explanation: The hijackers were not aboard the aircraft.

3. The hijackers’ faces did not appear on boarding gate videos.

Explanation: The hijackers were not aboard the aircraft.

4. Black boxes were missing from all but one flight.

Explanation: None of the flights except UA93 were actually involved
in the crashes. The attacking aircraft had their black boxes
removed for obvious reasons.

5, Two of the aircraft, Flights UA93 and AA77 took long westward
excursions before turning around and proceeding to their
targets.

Explanation: The westward excursions of Flights UA93 and AA77
(i.e., UA93X and AA77X) were necessary to give time for the four
planes to land and re-arrange passenger complements.

Contradictions

1. Aircraft striking the Pentagon was not a large passenger aircraft.

Explanation: Flight AA77 did not strike the Pentagon.

2. Cellphone calls made by passengers were highly unlikely to
impossible.

Explanation: Flight UA93 was not in the air when most of the alleged
calls were made. The calls themselves were all faked.

Expanded timeline for Operation Pearl

Time Event

7:59 am UA11 takes off from Boston’s Logan Airport
8:14 am UA175 takes off from Boston’s Logan Airport
8:16 am First deviation of AA11 north of Albany, NY
8:20 am AA77 takes off from Washington’s Dulles Airport
8:20 am AA11 transponder turned off
8:30 am First swap: Flight AA11-X takes over, transponder off
8:35 am Beginning of NY ATC transcript
8:40 am UA175 transponder is turned off
8:42 am UA93 takes off from Newark, NJ
First deviation of UA175 over northern NJ
8:46 am Second swap: Flight AA77X takes over, same t-code
8:46 am AA11-X strikes north tower of WTC
Nationwide alert begins
8:53 am Third swap: Flight UA175X takes over, transponder off
AA11 lands at Harrisburg
8:54 am End of NY ATC transcript
8:55 am AA77X transponder is turned off.
9:02 am UA175X strikes south tower of WTC
UA175 lands at Harrisburg.
Fourth swap: Flight UA93X replaces UA93.
9:07 am UA93 lands at Harrisburg.
9:09 am AA77 lands at Harrisburg.
9:37 am AA77X overflies the Pentagon explosion at Wedge 1
9:45 am UA93 takes off from Harrisburg.
10:00 am UA175 takes off from Harrisburg.
10:06 am UA93 crashes near Shanksville, PA.
10:45 am UA175 lands at Cleveland Hopkins.
11:15 am UA175 departs for the Atlantic Ocean.


Map showing the offically-claimed flightpaths on 9/11 - and probable deviations from those paths under the Operation Pearl scenario (Map based on original version in USA Today. Yellow lines indicate flight deviations; yellow numbers are ’swaps’ in the table above)

Acknowledgments

I acknowledge with profound gratitude the assistance of Derrick Grimmer, David Hoshour, Jerry Longspaugh, Brad Mayeaux, Helen Stace, Richard Stanley, Sid Walker and Gregory Zeigler in the preparation of this article.

References

(Add (Meyssan 2001) (Holmgren 2002) (Dewdney 2003a), on Pentagon crash)

(BBC 2002) Hijack ‘Suspects’ Alive and Well. BBC News, Sunday Sept. 23, 2002. Retrieved Sept. 29 2002 from

(Box 2004) W. Box. The Cleveland Airport Mystery. 9-11 Visibility Project, INN World Report. Retrieved from news.php?storyid=323.

(CNN, 2001) Cable Network News. 2001. Trade Center Victims. Retrieved January 22, 2002, from .

(Dewdney 2002) Ghost riders in the Sky. Feral News. Retrieved from (www.feralnews.com> May 15, 2003.

(Dewdney 2004) A. K. Dewdney. 2004. The Cellphone and “Airfone” calls made from Flight UA93. Physics 911 Public Website

(FAA, 1998) 1998 (July 3). Special military operations. Chapter 4, section 5, Federal Aviation Agency Order 7610.4J. .

(FAA, 2001) 2001 (July 12). Emergency situations. Chapter 10, section 2-5, Federal Aviation Agewncy Order 7110.65M. .

(Flight 93, 2001) How did Flight 93 crash? Retrieved from May 20, 2003. Note: this site uses mostly local and national media sources.

(Goldstein et al., 2001) Goldstein A, Sun, LH, Lardner G Jr. Hanjour an unlikely terrorist. (adapted by) Cape Cod Times. October 21, 2001. Retrieved September 30, 2002, from < www.capecodonline.com/cctimes/ archives/2001/oct/21/hanjour21.htm>

(Huffschmid 2002) E. Huffschmid. 2002. Painful Questions. Available from

(IIIEb, 2001) Institute of Islamic Information and Education. 2001. Passenger Lists: Where were the Arabs on those airplanes? Retrieved December 19, 2001, from

(McChord, 2003) A-10 Thunderbolt. McChord Air Museum. Retrieved from

(NYT 2001) The New York Times. October 16, 2001, Transcript of United Airlines Flight 175. Retrieved from July 4, 2003.

(Ostrovsky & Hoy, 1990) Hoy C, Ostrovsky V. 1990. By Way of Deception. Toronto, Canada: Stoddart.

(Serendipity 2002) (ref. incomplete) www.serendipity.li/wtc.html

(SPC 2000) FTS Flight termination system. 2000. System Planning Corporation, Langley, VA. Retrieved from www.sysplan.com May 17 2003. See www.sysplan.com/Radar/FTS (flight termination system) and also www.sysplan.com/Radar/CTS (command transmitter system)

(Spencer 2003) TK
(Spitzer 2000) Spitzer, C. R. 2000. Digital Avionics Systems: principles and practices. The Blackburn Press (McGraw-Hill), Caldwell, NJ.

(UF93 2001) United Flight 93 Crash Theory Home Page. 2001. How did Flight 93 Crash? Retrieved from June 10, 2003.

(USA Today 2001) USA Today. 2001. Weapons of destruction. Retrieved from on July 5, 2003.

(USAF no date) RQ-1 Predator unmanned aerial vehicle. United States Air Force Fact Sheet. Aeronautical Systems Center, USAF, Langley, VA. No date on document. Retrieved from www.af.mil/news/factsheets/RQ_1_Predator_Unmanned_Aerial.
html, May 18 2003.

(USAF 98) Global Hawk: U. S. Airforce Fact Sheet. Global Hawk. Aeronautical Systems Center. USAF Langley, VA. Retrieved July 4 2003 from

(WRH, 2001) What really happened. 2001. Retrieved January 22, 2001, from .

APPENDICES

A: The Basic Timeline
(All times are ante meridian or am, EDT)

Flight Departure Deviation Transponder Hit

American 11 7:59 am 8:16 am 8:20 am 8:46 am
United 175 8:14 am 8:42 am 8:40 am 9:02 am
American 77 8:20 am 8:46 am 8:55 am 9:37 am
United 93 8:42 am 9:36 am 9:40 am 10:06 am

B: Table of aircraft

Flight no. Equipment Airport On board

Flight 11 Boeing 767 Boston Logan 81 passengers, 11 crew
Flight 175 Boeing 767 Boston Logan 56 passengers, 9 crew
Flight 77 Boeing 757 Wash. Dulles 58 passengers, 6 crew
Flight 93 Boeing 757 Newark Intn’l 30 passengers, 7 crew

C: Estimates of equipment and personnel used in Operation Pearl

The following lists represent the core requirements in equipment and personnel required to execute Operation Pearl. Additional equipment as well as operatives playing minor roles are not included. Also not included are the operatives running what might be called “Operation Footprint,” a largely bogus flight training program operated prior to September 11 and involving approximately 10 Arabs from a variety of middle eastern countries.

equipment

1 Boeing 767 fitted with a remote guidance system (Flight AA11-X)
[destroyed]
1 jet aircraft (possibly a large drone) fitted with a remote control system
(Flight UA175-X) [destroyed]
1 piloted Boeing 757 (Flight UA77-X) [reuseable]
1 twin-engine jet aircraft (Flight UA93-X) [reuseable]
1 A-10 Thunderbolt [reuseable]

personnel

2 agents on each of four aircraft 8
10 agents at the first base of operations 10
5 agents at the second base of operations 5
4 agents to set up WTC demolition charges 4
2 agents as flight crew on substitute or escort aircraft 6
4 agents as technicians to install RC controls 8
(also to act as remote pilots)
3 pilots to ferry aircraft for disposal 3
___
44

This number is certainly an underestimate, but easily mustered by any large intelligence organization. Under the Operation Pearl scenario, all US intelligence agencies are candidates for involvement, as well as Mossad, Israel’s spy agency, as the main “contractor.” An arm’s-length relationship with the Bush administration, with neocon elements acting as go-betweens, would enable Rumsfeld, Bush, and other members of the US administration to disclaim any “specific” knowledge of a forthcoming attack. (See Ostrovsky and Hoy, 1990.)

Notes

1. A scenario named Ghost Riders in the Sky was previously constructed by the author (Dewdney 2002). The purpose of that scenario was simply to demonstrate that alternate scenarios that fitted all the facts (as then understood by the author) could be constructed. The scenario involved killing all the passengers and flight crew with a fast-acting nerve agent, then triggering a software patch in the aircraft flight control systems to direct the aircraft to their various destinations. However, when it became evident that no Boeing 757 had actually struck the Pentagon (Meyssan 2001) (Holmgren 2002) (Dewdney 2003), the scenario was rendered invalid. The Ghost Riders scenario, like the Bush-Cheney scenario, required that the aircraft that struck their respective targets were as advertised, two 767s and two 757s.

The fact that the Ghost Riders scenario had to be rejected illustrates the nature of this inquiry. As in science, detective work and in forensics, hypotheses must be formulated, then tested against the available evidence. If found wanting in the light of that evidence, they must be rejected.

2. Since each radar operator had responsibility for only the aircraft on his or her frequency, the transcript does not reveal the radio traffic on other frequencies. Since there is no indication in the transcript that this particular operator was tracking the flight that was about to strike the north tower of the WTC, we must assume that some other operator was.

The “suspicious transmission” could have been real, with a perfectly innocent interpretation or simply bogus, it being dead easy to fake such a message by tuning a ham transmitter to the forbidden frequency just long enough to utter the sentence, “Everyone stay in your seats.”

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