CAT.POL.H.310 Take-off

(a)  The take-off mass shall not exceed the maximum mass specified for a rate of climb of 150 ft/min at 300 m (1000 ft) above the level of the aerodrome or operating site with the critical engine inoperative and the remaining engine(s) operating at an appropriate power rating.

(b)  For operations other than those specified in CAT.POL.H.305, the take-off shall be conducted such that a safe forced landing can be executed until the point where safe continuation of the flight is possible.

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

(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)  for operations from a helideck:

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

(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.

(d)  When showing compliance with (a) to (c), account shall be taken of the appropriate parameters of CAT.POL.H.105(c) at the point of departure.

(e)  That part of the take-off before the requirement of CAT.POL.H.315 is met shall be conducted in sight of the surface.