Code of Federal Regulations


Hide details for Sec. 121.354Sec. 121.354

Part 121 OPERATING REQUIREMENTS: DOMESTIC, FLAG, AND SUPPLEMENTAL OPERATIONS
Subpart K--Instrument and Equipment Requirements

Sec. 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)
(c) Airplane Flight Manual. The Airplane Flight Manual shall contain appropriate procedures for--
(1) The use of the terrain awareness and warning system; and
(2) Proper flight crew reaction in response to the terrain awareness and warning system audio and visual warnings.



Amdt. 121-273; Eff. 3/29/2001


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Notice of Proposed Rulemaking Actions:
Not Applicable.

Final Rule Actions:
Not Applicable.