Safety Assumptions

  • Pitot covers would be installed on an aircraft planned to be out of service for an extended period.
  • Prior to return to service, the pitot-static system would be functionally checked.
  • The crew would have rejected the takeoff at the first indication of an erroneous airspeed, and prevented the airplane from flying.
  • Upon recognizing the failure of an airspeed indicating system, the crew would have reverted to the use of the alternate airspeed indicating system.
  • The crew would have responded properly to reduce the angle of attack when encountering a stall warning while in flight

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