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Navigate / EASA / AIR OPERATIONS MAR 2026 / ANNEX IV (Part-CAT) / SUBPART D: INSTRUMENTS, DATA, EQUIPMENT / SECTION 2 - Helicopters / CAT.IDE.H.145 Radio altimeters /

AMC1 CAT.IDE.H.145 Radio altimeters

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AMC1 CAT.IDE.H.145 Radio altimeters

ED Decision 2016/022/R

AUDIO WARNING DEVICE

(a) The audio warning should be a voice warning.

(b) The audio warning may be provided by a helicopter terrain awareness and warning system (HTAWS).

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