MEETING
THE AIRCRAFT SECURITY CHALLENGE
Report of the Secretary's Rapid
Response Team on Aircraft Security
October 1, 2001
The
threat to aviation safety has changed, and so must our response. The events of September 11 changed forever our
concepts of appropriate aviation safety.
The use of a hijacked aircraft as a weapon requires a new strategy to
ensure that the crew always retains control of the aircraft.
To
combat the new threat and restore public confidence in commercial aviation,
this report documents our consideration of changes to aircraft design and
operation. Augmented by the suggestions
and recommendations received from all sources, one or more of the following
goals 1) to deter the hijack plan, making it too difficult, expensive or
undesirable to use aviation as weapon of terror; 2) to deny access to the
flight deck by any threat; 3) to delay access to the flight deck, allowing the
crew time to take protective measures; 4) and to recover control through
aggressive crew response.
To build on the President’s proposals
and make the Nation’s aircrafts secure, the Rapid Response Team has concluded
that:
·
Some appropriate flight
deck barrier device must be approved and installed in the entire U.S. fleet and
future design of flight deck doors must meet newly determined requirements.
·
Procedural changes must
be made at all airlines regarding identification and access of all personnel to
the flight deck.
·
Airline industry,
unions, and FAA should redesign security training with possible implementation
of defensive capabilities to address newly-identified threats, incorporate
changes into the annual curriculum, and provide security training to all
crewmembers.
·
Each airline, in
cooperation with the FAA or other government entities must develop a delivery
system to provide government security advisories to crewmembers in a timely
manner.
This report addresses the security
issues that arise at aircrafts in connection with travel on commercial
airlines. A detailed discussion of specific
actions follows.
A separate Rapid Response Team will
report on security issues arising in connection with aircraft construction and
operation.
Finally, the
Team wishes to underscore its conviction that the measures proposed in the
pages that follow can and should be implemented in a way that is wholly
consistent with America's commitment to the protection of civil rights.
Recommendation
1: We
recommend that some appropriate barrier device be approved, and installation
begin within 30 days. Installation
throughout the entire U.S. fleet should be completed in 90 days. We recommend that FAA enable the
installation of these devices through urgent regulatory action that provides
the airlines with a simple, expedited method for approval and installation.
The
multiple attacks of September 11, 2001, require that changes be made to the
flight deck door that will deny access to an intruder. The safety requirements related to rapid decompression
and emergency access, however, must be considered. Flight deck doors on U.S. airline aircraft were designed
principally to ensure privacy, so that pilots could focus on their normal
duties, uninterrupted by activity in the passenger cabin. Doors were not designed to meet significant
security threats such as small arms fire or shrapnel, or the use of blunt force
to enter the flight deck.
The prevention of unauthorized
access can be improved by the simple addition and use of a deadbolt, a cross‑bar,
a net or other barrier devices. Our
discussions and consultations with other aviation experts indicate that this
installation on any individual aircraft can typically be accomplished
overnight.
Besides
affording an orderly work environment for the flight crew, flight deck doors
have other important safety characteristics.
Current design standards require that the door must not hinder emergency
exit from the flight deck or impede rescue efforts into the flight deck after
an accident.
Current
doors are designed to ensure that rapid decompression does not cause a failure,
which could have catastrophic effects on the aircraft. Such a failure is theoretically possible in
such an event, if the pressure cannot be equalized between the flight deck and
the cabin in an expeditious manner.
Preliminary research indicates that a rapid decompression on the flight
deck side of the door has a low historical occurrence. This research has revealed no accidents
caused by a rapid decompression in the flight deck. This may be because the decompressions have not been rapid enough
or the venting method worked as designed.
The
addition of a deadbolt or another barrier may hinder crew exit, rescue, and the
venting that the door’s original design provided. Given the newly identified security risks, we recommend the FAA
allow the use of a deadbolt or other barrier device, in the short-term, until
the impact of these devices on decompression and rescue/exit can be determined
and an alternative approach is designed.
Recommendation
2: We recommend that the industry identify and
address the risks regarding rapid decompression and exit and rescue associated
with the barrier devices that have been installed. Within 6 months, steps should be taken to accomplish the
following:
(1) Approve a door design to
ensure:
·
adequate venting of a
closed and locked flight deck door in
the event of a rapid depressurization in the flight deck area. Venting may involve provision of either a venting
means or release of the door locking mechanism,
·
in the event of an
emergency, exit and rescue of the flight crew, and
·
barrier against intrusion.
(2)
Provide a barrier against
access by an intruder through the venting feature of those flight deck doors having
vents.
Within
1 year from approval of the door design, conduct a retrofit of the entire U.S.
fleet of aircraft.
There
may be more permanent and effective solutions that require longer time for
implementation. The current flight deck
door and associated bulkhead are not designed to minimize or mitigate the
negative impacts from breaches caused by blunt force, ballistics,
fragmentation, or other explosive effects.
Strengthening
of the flight deck door can be divided into the following areas: (1) Improved locking, hinge, door handle,
and door frame integrity; and (2) Using specialized materials to mitigate the
catastrophic effects from ballistic, fragmentation, and explosives devices
attacks. A design and performance
specification with specific design requirements must be developed and approved
which would include identification of the amount of load(s) the door and
bulkhead must sustain from an attack and take into account the force that can
be expected in an explosive decompression.
Recommendation 3: We recommend that ongoing work
in the Aviation Rulemaking Advisory Committee Design for Security Harmonization
Working Group be completed within 60 days, with respect to door design
standards.
Safety
considerations must address flight crew evacuations, venting, or an emergency
crew response by flight attendants if one or all of the flight deck crew become
incapacitated. There have been
situations where a flight attendant was able to pull an incapacitated pilot
from the controls and allow the other pilot to fly the aircraft safely to the
ground.
Recommendation 4: We recommend that a
future design of the doors meet the requirements of rapid decompression, flight
crew rescue and exit, and protection from intrusion caused by blunt force,
ballistics, fragmentation, or other explosive effects. The new design should be required for new
aircraft types. We recommend that as
many elements of the new design as practical be retrofitted into the
fleet.
Another
strategy for controlling access on some aircraft in the longer term is a
mantrap, which is a set of two doors that requires the person to enter the
first while the second is closed. The
person cannot pass through the second door until the first door is closed. This system provides security in at least
three ways. It makes it difficult to
forcibly gain entry by knocking down a single door, it allows time to evaluate
the person in the mantrap before releasing him or her through the second door,
and it allows entry of only one person at a time. This design will have limited applicability to most aircraft in
the U.S. fleet because, for example, the passenger entry door is too close to
the flight deck to accommodate this design.
Recommendation
5: We recommend that these flight deck
procedural changes be made at all airlines within 30 days.
With an immediate goal of adding
barriers to the flight deck, we must address access to the flight deck and how
it will be controlled. Since the events
of September 11, airlines and their pilots and flight attendants have
implemented their own procedures, which include:
·
Prohibiting passengers from loitering at the forward
lavatory and galley areas
·
Leaving curtains/dividers open between cabins to allow for
unobstructed views
·
Strictly enforcing seatbelt signs
·
Reinforcing crew coordination to facilitate immediate
reporting of suspicious activities to other crewmembers
·
Suspending pre-flight beverage service during the passenger
boarding process to allow flight attendants to focus on passenger boarding
·
Requiring the forward
lavatory and the interphone to be operational for dispatch
·
Positively identifying
those entering the flight deck, using peepholes, codewords, or other similar
methods
·
Putting the jumpseat in
the down position during flight if doing so inhibits access to the flight deck
With
the flight deck no longer readily accessible to flight attendants, they must
have a method for immediate notification to the flight deck during a suspected
threat in the cabin. On receipt of such
a warning, the pilot would check to make sure that the flight deck door is
secure and begin immediate landing procedures.
Consideration should be given to systems that might be installed in the
aircraft as well as a device that could be carried by a crewmember. In those aircraft equipped with an automated
evacuation alarm system, it may in the near term be an effective tool for such
notification.
Recommendation 6: We recommend that industry develop a plan of feasible
alternatives for emergency warnings within 30 days.
Under Security Directives already
issued, airlines have restricted use of the jumpseats aboard their aircraft to
their own pilots and flight engineers, and FAA inspectors. For the short term, these restrictions
should be endorsed and continued. Qualified flight deck personnel in jumpseats
provide safety and security benefits to the crew and passengers. The extra person assists the flight deck
crew in many ways. That person is an
extra set of eyes, ears, and hands, and may be able to take action for the crew
while the crew flies the aircraft.
Some airlines have instituted
additional screening of pilots from other airlines and are accommodating them by
seating them in the passenger cabin on space-available basis. We agree that improved screening should be
required until credential verification can be improved, consisting of
identification check before boarding the aircraft and again after boarding the
aircraft, by the flight crew. A simple
question and answer technique is recommended.
Additionally, jumpseat occupants should display conspicuously a picture
identification at all times on the aircraft.
Recommendation 7: We recommend that airlines and pilots unions develop procedures
that will allow gate and flight deck personnel to verify the credentials of a
non-company pilot or flight engineer who asks to occupy a jumpseat within 6
months.
In the long-term automated or other systems should be
considered to accomplish positive identification of all flight crewmembers
before entering the aircraft.
Recommendation 8: We recommend FAA and industry define requirements for an
automated system to validate, in real time, the identities of persons with
legitimate access
to the aircraft, within 6 months.
(Universal access identification).
Implementation will be based on those requirements, when defined.
There is consensus that cameras to monitor and view
the area outside the flight deck door may add value. There should be continuous lighting outside the flight deck door
for visibility, as well as to provide lighting for cameras. However, placement of a monitor in the limited
space on the flight deck is a challenge.
While there may be value in video or audio systems which provide
information about activities throughout the cabin, we have no consensus on
whether or how to proceed with this technology.
Recommendation 9: We recommend that industry
evaluate the use of cameras and lighting outside the flight deck door within 6
months.
Defensive Capabilities in Cabin
and Flight Deck Areas
Recommendation 10: We recommend industry work
with the FAA to evaluate these factors and make recommendations for personal
protection within 6 months. We
recommend the implementation of defensive capabilities in accordance with the
recommendations of the evaluation, within 1 year of receiving the
recommendation.
We support the notion of crewmembers using non-lethal
defensive capabilities in the cabin area and on the flight deck in hijack
emergencies. This is a new approach to
aircraft security, provoked by the attacks of September 11th. Our proposed security strategy would require
that the flight crew door remain locked during a suspected security threat, leaving
flight attendants with the responsibility to address all cabin disturbances
without the help of the flight deck crew.
The crewmembers should have access to non-lethal devices and specific
self-defense training.
In the case of non-lethal devices, there is consensus
that the goal of such devices is to deter any terrorist plan, deny access to
the flight deck, retain control in the cabin, or if necessary recover control
on the flight deck. There is no clear consensus
on what type or how many non-lethal devices should be placed on the aircraft or
who should have access to such devices.
However, ALPA recommends installation of stun guns on the flight
deck. To reach consensus, the following
factors must be evaluated:
·
The
appropriate type(s) of non-lethal defensive capabilities and the relative
effectiveness of each
·
Domestic
and international rules and laws governing the use of non-lethal protective
devices
·
Training and qualifying for all crewmembers in the use
of such devices
·
Weapons control (in a
sealed/locked compartment on board the aircraft) and strict accountability
procedures
·
Standard operating procedures to maintain control of the
situation after the device has been used
·
Recurring maintenance and inspection of the devices
·
Preventing access to
these devices by passengers
Recommendation 11: ALPA
recommends the FBI present reasons for or against its proposal to arm pilots.
As to
lethal weapons, the Air Line Pilots Association (ALPA) has taken a public
position that a volunteer program be established with specific guidelines for
arming pilots in flight. Other members
of the task force have identified numerous issues requiring resolution before
consideration is given to arming the pilots.
These issues should be considered to determine whether they can be
overcome.
Recommendation
12: We recommend industry,
unions, and FAA redesign security training to address newly-identified threats
within 30 days, incorporate changes into the annual curriculum within 60 days,
and provide security training to all crewmembers within 6 months after updating
the curriculum.
Security training is recognized as outdated in respect to
today’s threats. Both initial and
recurrent training programs must be rapidly modernized and delivered to all
crewmembers reflecting current threat information. As a minimum, this new training should prepare crewmembers to
identify and understand the different levels and types of threats to the safe
passage of crew, passengers, and aircraft.
Development of this training should use at a minimum the expertise of
law enforcement organizations and professionals familiar with hijacking
situations.
Recommendation 13: We recommend that each
airline, in cooperation with the FAA or other Government entities, develop
within 60 days a delivery system or procedure to provide Government security
advisories to crewmembers in a timely manner, including immediate threat
information to affected aircraft in flight.
A related issue is the delivery of relevant security
information to crewmembers and other affected personnel in a timely
manner. For international operations,
there is a requirement that crew briefing include relevant security threat information. The same practice should be applied to U.S.
domestic operations. We need a delivery
system to permit crewmembers and other appropriate persons to receive the latest
security advisories, as needed. Airline
dispatchers must take on the responsibility to forward all immediate threat
information to affected aircraft in flight.
The system should take advantage of available technology for
distribution of this information.
Cabin Search Procedures
Recommendation
14: We recommend the FAA provide
more guidance on the conduct of cabin searches within 30 days. Airlines will continue to conduct the cabin
search and to provide sufficient time and training for those personnel. No cabin search duties should be assigned to
flight or cabin crew.
Recent
security directives require cabin search procedures to minimize risk. Current procedures do not guarantee that
those conducting cabin searches are trained adequately on best practices and
use of the most recent technology. We
are concerned that access to the aircraft between the time the cabin search is
conducted and flight is not restrictive enough. We endorse the recently introduced FAA Security Directives
requiring cabin search procedures.
However, there is a need for additional training for those personnel
conducting cabin searches.
Recommendation 15: We concur
with the recommendation of the Airport Security Team to develop a new Federal
security agency and we recommend that the new agency be responsible for
conducting searches of aircraft cabins.
As a long-term option, we believe this task should be
assigned to some sort of Federal security force. Creating such a force would avoid the need to assign additional
responsibilities to current carrier personnel who may not be as familiar with
dangerous items or who may be performing other duties under limited time
constraints.
Transponders
Recommendation 16: We recommend
the creation of an FAA-industry task force to determine the necessary
modifications to assure continuous transmission of a hijack signal, even if the
fight deck-selected code or function is turned off. Recommended action is to be defined within 30 days.
One lesson from the attacks of September 11th
is the importance of ensuring continuous transponder communication with air
traffic control (ATC) following a hijacking.
Without the transponder switch in a fully active position, ATC can track
an aircraft only by primary radar, which does not indicate aircraft identity
and altitude. The loss of this
information causes other aircraft to lose awareness of the flight in progress.
While it is possible that a major redesign could be
required, we have learned of possible modifications that could be accomplished
more quickly. The task force should
examine all alternatives that would allow the ability to set and lock-in the
hijacking code so that the hijacker cannot disable it; a panic button that
initiates the hijacking code in an emergency situation; and an independent
transponder that cannot be disabled by the hijacker.
Recommendation 17: We recommend
that within 30 days, airlines, pilots, and the FAA should jointly identify
procedures in pilot training, including depressurization and rapid descent,
that could be adapted in an attempted hijacking to control a hijacker.
We have received many suggestions regarding the use
of aircraft defensive maneuvers as a tactic to thwart a hijacking. After industry discussion, we feel that
these tactics should be used only as a last resort. While we do not openly recommend it, we acknowledge that aircraft
defensive maneuvering and aggressive use of cabin pressure systems may be
beneficial under certain extreme situations. Since limits in aircraft performance and
pilot capabilities may prohibit/preclude the use or limit the effectiveness of
such methods, any proposals must be validated for effectiveness and
trainability before implementation.