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The accident report said, “It is understandable that experiencing only very light turbulence, the crewmember chose to remain standing. However, the potentially rapid onset and severe nature of some turbulence encounters pose a danger to anyone remaining unsecured. The danger is compounded if, as on this occasion, there is only one cabin crewmember on board whose incapacitation through injury could have serious consequences in any subsequent aircraft emergency.”
Electrical Failure Prompts Call for Improved Checklists
BAE Systems ATP. No damage. No injuries.
N
ight instrument meteorological conditions prevailed for the approach to an airport in Sweden, when the left electrical system failed and the pilot’s flight instruments and naviga-tional systems (electronic flight instrument systems) stopped operating. In addition, the main emergency light blinked, and the master caution horn sounded. The incident report said that the flight crew did not believe that any sec-tion of the emergency checklist was relevant to the problem, so they declared an emergency and received radar vectors from air traffic control for landing.
The accident report said that an investigation found that the power failure was caused by the simultaneous occurrence of two independent faults in the electrical system. The flight crew probably could have restored full electrical func-tion by “cross-connecting from the right-hand electrical system,” the report said. The report said that this solution “to some extent emerges from the emergency checklist”; nevertheless, the checklist was“not user-friendly and does not represent the natural aid for pilots to identify a possible fault and take the most suitable steps from the point of view of flight safety.”
the report recommended that the Swedish Civil
Aviation Administration, in connection with its issuance of air operator certificates, “observe
specially the arrangement of emergency check-lists from the point of view of comprehensibility and user-friendliness.”
Airplane Strikes Ground During Takeoff in Snow
Socata TBM 700. Substantial damage. No injuries.
N
ight instrument meteorological conditions prevailed for the flight from an airport in the United States, and an instrument flight rules flight plan had been filed. The pilot said that the takeoff roll on the snow-covered runway appeared to be normal.
Four seconds to five seconds after liftoff, the airplane began to shake. The pilot said that indi-cations on all engine instruments were normal,
that the airspeed was steady at 110 knots and
that the airplane was not climbing. He said that he tried to fly the airplane straight ahead in a climb and that he increased the pitch angle as
airspeed decreased to about 80 knots; then the
stall-warning horn sounded. The pilot said that he decreased the airplane’s pitch attitude and flew the airplane with wings level just above the stall speed. A preliminary report said that the airplane “came to rest approximately one [nautical] mile [1.9 kilometers] southeast of the airport in a construction site.”
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Stabilized Approach And Flare Are Keys to Avoiding Hard Land(52)