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Le NTSB a fiinalisé ses derniers éléments dont je cite l' essentiel :
Le rapport final devrait sortir dans qq semaines .
National Transportation Safety Board
Washington, DC 20594
FOR IMMEDIATE RELEASE: February 2, 2010
SB-10-02
CAPTAIN’S INAPPROPRIATE ACTIONS LED TO CRASH OF FLIGHT 3407
IN CLARENCE CENTER, NEW YORK, NTSB SAY
The National Transportation Safety Board determined that the
captain of Colgan Air flight 3407 inappropriately responded
to the activation of the stick shaker, which led to an
aerodynamic stall from which the airplane did not recover.
In a report adopted today in a public Board meeting in
Washington, additional flight crew failures were noted as
causal to the accident.
On February 12, 2009, a Colgan Air, Inc., Bombardier DHC-8-
400, N200WQ, operating as Continental Connection flight
3407, was on an instrument approach to Buffalo-Niagara
International Airport, Buffalo, New York, when it crashed
into a residence in Clarence Center, New York, about 5
nautical miles northeast of the airport. The 2 pilots, 2
flight attendants, and 45 passengers aboard the airplane
were killed, one person on the ground was killed, and the
airplane was destroyed by impact forces and a postcrash
fire. The flight was a 14 Code of Federal Regulations (CFR)
Part 121 scheduled passenger flight from Newark, New Jersey.
Night visual meteorological conditions prevailed at the
time of the accident.
The report states that, when the stick shaker activated to
warn the flight crew of an impending aerodynamic stall, the
captain should have responded correctly to the situation by
pushing forward on the control column. However, the
captain inappropriately pulled aft on the control column and
placed the airplane into an accelerated aerodynamic stall.
Contributing to the cause of the accident were the
Crewmembers’ failure to recognize the position of the
low-speed cue on their flight displays, which indicated that
the stick shaker was about to activate, and their failure to
adhere to sterile cockpit procedures. Other contributing
factors were the captain’s failure to effectively manage the
flight and Colgan Air’s inadequate procedures for airspeed
selection and management during approaches in icing
conditions.
As a result of this accident investigation, the Safety Board
issued recommendations to the Federal Aviation
Administration (FAA) regarding strategies to prevent flight
crew monitoring failures, pilot professionalism, fatigue,
remedial training, pilot records, stall training, and
airspeed selection procedures. Additional recommendations
address FAA’s oversight and use of safety alerts for
operators to transmit safety-critical information, flight
operational quality assurance (FOQA) programs, use of
personal portable electronic devices on the flight deck, and
weather information provided to pilots.
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