George Washington's Blog
Tuesday, April 1, 2008
Before 9/11, no transponder had ever become inactive, and so the
military and FAA didn't have any experience on how to track planes
with their transponders off. Right?
Well, a Miami-Herald article from September 14, 2001, states:
The transponder [on Flight 77] went off about 9 a.m., the company
said.
At that moment, the flight would have been under the control of the
Indianapolis Air Route Traffic Control Center, one of 20 regional
centers that track flights between airports.
The trouble should have been instantly noticeable, traffic
controllers say.
Flight 77, like other planes, at first showed up on radar screens as
a short solid line, with a readout that identifies the plane and
gives its altitude and speed. When the transponder shuts down, the
short line vanishes. The speed number goes away, too.
"It's just something that catches your eye,'' one controller says.
And it's not that unusual. Transponders fail from time to time;
commercial aircraft are required to carry a spare. Although it isn't
clear what happened in the case of Flight 77, a controller's first
move typically would be to contact the pilot, and tell them the
transponder wasn't working.
The official hijacking protocols provide that the loss of
transponder signal be treated as a "no radio" emergency. On 9/11,
that is exactly what happened, at least for some of the flights (The
protocols also state: "The NORAD control facility shall be advised
if the hijacked aircraft is squawking a different transponder code".
In other words, the moment a plane stops broadcasting the normal
transponder code, NORAD is immediately notified).
As former air traffic controller Robin Hordon, who knows the flight
corridor which the two planes which hit the Twin Towers flew "like
the back of my hand" and who handled two actual hijackings says:
It is important for people to understand that scrambling jet
fighters to intercept aircraft showing the signs of experiencing
“IN-FLIGHT EMERGENCIES” such as going off course without
authorization, losing a transponder signal and/or losing radio
contact is a common and routine task executed jointly between the
FAA and NORAD controllers. The entire “national defense-first
responder” intercept system has many highly-trained civilian and
military personnel who are committed and well-trained to this task.
FAA and NORAD continuously monitor our skies and fighter planes and
pilots are on the ready 24/7 to handle these situations. Jet
fighters typically intercept any suspect plane over the United
States within 10 - 15 minutes of notification of a problem.
This type of "immediate, high speed, high priority and emergency"
scramble had been happening regularly approximately 75 - 150 times
per year for ten years. In the same ten years, there were ZERO "low
speed, delayed reaction, and low priority" hijacking scrambles
reported, which means that the only time interceptors were ever
scrambled for ten years before 9/11, they were using the high speed
immediate scrambles.
On 9/11, Flight 77 was in fact tracked on radar, and could have been
intercepted with fighter jets. However, the plane was allowed to go
on a joy-ride all over the country with its transponder off for
three-quarters of an hour. As the above-quoted Miami-Herald article
states:
Forty-five minutes. That's how long American Airlines Flight 77
meandered through the air headed for the White House, its flight
plan abandoned, its radar beacon silent.
* * *
Who was watching in those 45 minutes?
"That's a question that more and more people are going to ask,''
said one controller in Miami. "What the hell went on here? Was
anyone doing anything about it? Just as a national defense thing,
how are they able to fly around and no one go after them?''
Even with the transponder silent, the plane should have been visible
on radar, both to controllers who handle cross-continent air traffic
and to a Federal Aviation Administration command center outside of
Washington, according to air traffic controllers.
The FAA, which handles air traffic control, would not discuss the
track of Flight 77 or what happened in air-control centers while it
was in flight. Neither would American Airlines.
***
But even if the plane remained silent, controllers could still find
it -- by switching their screen display to the old-fashioned radar
that bounces a signal off the plane's metal skin.
***
Military jets are routinely scrambled in the case of hijackings and
"runners,'' planes that do not answer or do not heed air traffic
controllers. But FAA officials would not say when controllers
detected the errant Flight 77 or whether any fighter jets were able
to get into the air to confront it.
Fighter jets are based nearby, in Virginia, and could have reached
the White House within minutes, aviation sources say.
Dick Cheney also monitored flight 77 for many miles as it approached
the Pentagon (confirmed here).
Similarly, an ABC News article states:
"Controllers at the Boston Center knew American Airlines Flight 11,
which departed at 7:59 a.m. ET from Boston for its flight to Los
Angeles, was hijacked 30 minutes before it crashed. They tracked it
to New York on their radar scopes. 'I watched the target of American
11 the whole way down,' said Boston controller Mark Hodgkins. "
And air traffic controllers and others tracked Flight 175.
Indeed, radar data declassified in 2006 shows that the planes were
tracked on radar virtually their entire flight, and that altitude
was known for the planes during most of their flight (only flight 77
was purportedly off-radar for part of its flight).
And, as recounted by a high-level Secret Service agent:
"Through monitoring radar and activating an open line with the FAA,
the Secret Service was able to receive real time information about .
. . two hijacked aircraft as they approached Washington, D.C. "
Norad Admits Planes Show Up on Radar Even with Transponders Turned
Off
Even Neads, the Northeastern sector of Norad, admits that the
hijacked planes would have appeared on radar as dashes even after
the transponders had been turned off:
Because they had been informed its transponder was off, [Neads] knew
to look for a tiny dash instead of the usual dot.
A similar report states:
NEADS Staff Sergeant Larry Thornton says, “Once we were called by
the FAA, we could find split-second hits on what we thought we were
looking for. . . We were looking for little dash marks . . . .”
But the government claims that it could not locate the hijacked
planes because the skies were crowded with other planes, and the
military air traffic controllers could not find the planes among all
of the plane signals. As NEADS' Thornton said:
"But the area was so congested and it was incredibly difficult to
find. We were looking for little dash marks in a pile of clutter and
a pile of aircraft on a two-dimensional scope.” Each fluorescent
green pulsating dot on their radar scopes represents an airplane,
and there are thousands currently airborne, especially over the busy
northeast US.
However, the hijacked planes flew in many areas which were not
high-traffic areas.
Moreover, it makes no sense that air traffic controllers could not
focus their radar scopes solely on airplanes without transponder
signals. In other words, let's say a Cuban jet flew onto the East
Coast of the United States without any transponder signal. Would
Norad say "Sorry, we lost the bad guy's nuclear-armed fighter jet
amidst all the commuter flights"?
That makes no sense.
Remember that Norad had run drills for several years of planes being
used as weapons against the World Trade Center and other U.S.
high-profile buildings, and "numerous types of civilian and military
aircraft were used as mock hijacked aircraft". In other words,
drills using REAL AIRCRAFT simulating terrorist attacks crashing
jets into buildings, including the twin towers, were run. See also
this short excerpt of a Peter Jennings newscast on 9/11. Moreover,
the military had previously run war games involving multiple,
simultaneous hijackings , so this aspect of 9/11 was not as
overwhelming as we have been led to believe..
Air traffic control radar, or at least military radar, must -- with
the push of a button -- be able to use computer programming to hide
all data for planes which have been accounted for as normal,
civilian airplanes. In other words, those with working transponder
signals. Even if air traffic controllers have to switch from
secondary to primary radar, there must be a function for the
computer to remove from primary radar signals which include
transponder data.
If that were not the case, America's trillion-dollar defense system
would be rendered useless.
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