Thu, Jul 08, 2010
Loss Of Control Still Major Factor In Fatal Accidents
Although the overall accident rate has decreased, the category
of loss of control (LOC) continues to outpace other factors as the
leading cause of fatal accidents in the last 20 years. A recent
NASA sponsored study has defined LOC as “flight outside of
the normal flight envelope, with nonlinear influences, and with an
inability of the pilot to control the aircraft.” The FAA has
published an InFO document highlighting the availability and merits
of the Airplane Upset Recovery and Training Aid for all Title 14 of
the Code of Federal Regulations (14 CFR) parts 91K, 121, 125, and
135 air operators and part 142 training centers.
In 1998 an FAA/Industry work group co-chaired by Boeing, Airbus
and the Flight Safety Foundation developed the Airplane Upset
Recovery Training Aid as training program guidance for upset
recovery training for air carrier flightcrews. Although the work
group was primarily focused on large aircraft, many of the same
aerodynamic principles apply to smaller swept wing turbine
aircraft.
The FAA strongly recommends incorporation of applicable sections
of the Airplane Upset Recovery Training Aid into training programs.
The modular design of the aid allows training departments to
utilize all of the segments that are applicable to specific
training programs. Any LOC recommended recovery techniques and
procedures provided by a manufacturer for a particular aircraft
take precedence over those in the training aid.
The FAA recommends that directors of operations, directors of
safety, chief pilots, training managers and training centers should
consider incorporating material in this training aid into
flightcrew training. When tailored to specific aircraft and
operator procedures, the suggested actions presented in this aid
provide an excellent framework for an effective upset recovery
training module.
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