Notwithstanding point 4.1, for operations with helicopters a momentary flight through the limiting height velocity envelope may be permitted, provided that safety is ensured.
D'ainneoin phointe 4.1, maidir le hoibríochtaí ar héileacaptair, féadfar eitilt mheandair tríd an imchlúdach teorantach treoluais agus airde a cheadú ar choinníoll go n-áirithítear an tsábháilteacht.