AMC1 CAT.IDE.A.160 Airborne weather detecting equipment
CAA ORS9 Decision No. 1
GENERAL
The airborne weather detecting equipment should be an airborne weather radar, except for propeller- driven pressurised aeroplanes with an MCTOM not more than 5 700 kg and an MOPSC of not more than 9, for which other equipment capable of detecting thunderstorms and other potentially hazardous weather conditions, regarded as detectable with airborne weather radar equipment, are also acceptable.