121.354—Terrain awareness and warning system.
(a) Airplanes manufactured after March 29, 2002.
No person may operate a turbine-powered airplane unless that airplane is equipped with an approved terrain awareness and warning system that meets the requirements for Class A equipment in Technical Standard Order (TSO)-C151. The airplane must also include an approved terrain situational awareness display.
(b) Airplanes manufactured on or before March 29, 2002.
No person may operate a turbine-powered airplane after March 29, 2005, unless that airplane is equipped with an approved terrain awareness and warning system that meets the requirements for Class A equipment in Technical Standard Order (TSO)-C151. The airplane must also include an approved terrain situational awareness display.
(Approved by the Office of Management and Budget under control number 2120-0631)
(2)
Proper flight crew reaction in response to the terrain awareness and warning system audio and visual warnings.