Navigate / EASA

AMC1 NCO.IDE.H.120(a)(4)&NCO.IDE.H.125(a)(4) Operations under VFR & operations under IFR – flight and navigational instruments and associated equipment

ED Decision 2015/004/R

CALIBRATION OF THE INSTRUMENT INDICATING AIRSPEED

(a)     The instrument indicating airspeed should be calibrated in knots (kt).

(b)     In the case of helicopters with an MCTOM below 2 000 kg, calibration in kilometres per hour (kph) or in miles per hour (mph) is acceptable when such units are used in the AFM.

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