Where it is not possible to use the departure aerodrome as a take-off alternate aerodrome due to meteorological or performance reasons, the operator shall select another adequate take-off alternate aerodrome that is no further from the departure aerodrome than: (1) for two-engined aeroplanes: (i) one hour flying time at an OEI cruising speed according to the AFM in still air standard conditions based on the actual take-off mass; ...
