Division (c) For operations in accordance with CAT.POL.H.305, in addition to the requirements of (a):

1. (1)

   the take-off mass shall not exceed the maximum mass specified in the AFM for an all engines operative out of ground effect (AEO OGE) hover in still air with all engines operating at an appropriate power rating; or

2. (2)

   for operations from a helideck:

   1. (i)

      with a helicopter that has an MOPSC of more than 19; or

   2. (ii)

      any helicopter operated from a helideck located in a hostile environment,

the take-off mass shall take into account: the procedure; deck-edge miss and drop down appropriate to the height of the helideck with the critical engine(s) inoperative and the remaining engines operating at an appropriate power rating.