14 CFR 121.354
§ 121.354 Terrain awareness and warning system.
United States · 14 CFR — Aeronautics and Space · Status: effective
Cite this
- Citation
- 14 CFR 121.354, § 121.354 Terrain awareness and warning system, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/56756
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Full text
(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.
(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.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.