Navigate / EASA
AMC1 NCC.IDE.A.125(a)(9) Operations under IFR – flight and navigational instruments and associated equipment

ED Decision 2013/021/R

MEANS OF DISPLAYING OUTSIDE AIR TEMPERATURE

(a) The means of displaying outside air temperature should be calibrated in degrees Celsius.

(b) The means of displaying outside air temperature may be an air temperature indicator that provides indications that are convertible to outside air temperature.