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From: freethemedia2002@yahoo.com (Arther Miller)
Newsgroups: alt.politics.org.nsa,alt.politics.org.cia,alt.politics.org.fbi,alt.politics.
Subject: Electronically Hijacking the World Trade Center Attack Aircraft
Date: 23 Sep 2002 17:58:29 -0700
Organization: http://groups.google.com/
NNTP-Posting-Host: 208.178.3.21
NNTP-Posting-Date: 24 Sep 2002 00:58:29 GMT
Electronically Hijacking the World Trade Center Attack Aircraft
http://geocities.com/mkneesis/homerun.html
Autopilot could land hijacked plane
http://www.newscientist.com/hottopics/usterror/usterror.jsp?id=ns99991280
Aeroplane hijackings could be halted in progress with existing
technologies, say aviation researchers, but the attempt would
be risky.
"Most modern aircraft have some form of autopilot that could be
re-programmed to ignore commands from a hijacker and instead take
direction from the ground," says Jeff Gosling of the Institute of
Transportation Studies at the University of California, Berkeley.
If a hijacking were detected in progress, being able to control
a plane from the ground would be crucial, says Gosling. "The only
other thing you could do is shoot the target down."
Autopilot, the system that maintains altitude, speed, and direction
during flight, is fully capable of landing a plane without help
from the pilot, says aviation engineering researcher Dale Oderman
at Purdue University in Lafayette, Indiana. "We are already capable
of flying unmanned military spy planes, so it is not far off to
think that a remote system could land a commercial passenger jet."
Hijacking the fail-safe
However, Jeffrey Speyer, an aerospace engineer at the University
of California, Los Angeles has qualms about the idea of remote
control, saying that system could be a terrorist target itself.
He is devising a control system that would allow planes to fly
close together in bird-like flocks. He says it could be adapted
to override a hijacker's instructions, but "the system might be
tampered with by the very people who you don't want taking over
the plane."
The US Federal Aviation Administration experimented with remote
landing of a commercial jet during the 1980's, says spokesperson
Holly Baker at the FAA's William J. Hughes Technical Centre in
Atlantic City, New Jersey. However it has not been an active
topic of research in recent years.
Cockpit monitor
Detecting a hijacking is another area in which new technologies
could play a role. Currently, if the pilot cannot use the radio
to call for help, he or she can flip a switch to emit a distress
signal that can be picked up by radar, says Oderman. The FAA
could not confirm whether any distress signals were heard prior
to Tuesday's attacks.
Numerous new technologies could call for help even if the pilot
and crew were incapacitated. On board computers could detect when
the plane has veered off course and then radio for help. Or,
video cameras and voice recognition systems in the cockpit could
alert ground-based crews, says Lewis Mingori, chairman of the
mechanical and aerospace engineering department at the University
of California, Los Angeles.
In future, researchers could deploy thousands of miniature networked
sensors, or MEMS (microelectromechanical systems), to detect odd
behaviour in the cockpit, says UC Berkeley computer scientist
David Culler.
Security solution
To date, most of the FAA's research has been centred on preventing
hijackings through increased airport security, says FAA's Baker.
But advanced systems, like InVision Technologies' computerised
tomography scan for explosives, are only now being adopted due
to high costs.
In the case of Tuesday's attacks, it is difficult to predict how
government agencies will respond in terms of air security, says
Gary Ackerman, a terrorism expert at the Monterey Institute for
International Studies.
"Until we know how they got around existing security measures, it
will be difficult foresee how to strengthen them," he says.
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