Division (b) F1

At the planning stage, to allow for a safe landing in case of an abnormal or emergency situation after take-off, the operator must select and specify in the operational flight plan a take-off alternate aerodrome if either:

1. (1)

   the weather conditions at the aerodrome of departure are below the operator’s established aerodrome landing minima for that operation; or

2. (2)

   it would otherwise be impossible to return to the aerodrome of departure.