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A
A minimum of 3 rafts with minimum capacity equal to half of the seating capacity of the helicopter.
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B
A minimum of 1 raft with a minimum capacity equal to maximum seating capacity of the helicopter.
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C
A minimum of 2 rafts with a minimum capacity equal to maximum seating capacity of the helicopter.
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D
Zero, because life rafts are required for flights of more than at least 5 minutes normal cruise speed from the land.
According to CAT.IDE.H.300 Life-rafts, survival ELTs and survival equipment on extended overwater flights:
Helicopters operated:
(a) in performance class 1 or 2 on a flight over water at a distance from land corresponding to more than 10 minutes flying time at normal cruising speed;
(b) in performance class 3 on a flight over water at a distance corresponding to more than three minutes flying time at normal cruising speed, shall be equipped with:
(1) in the case of a helicopter carrying less than 12 persons, at least one life-raft with a rated capacity of not less than the maximum number of persons on board, stowed so as to facilitate its ready use in an emergency;
(2) in the case of a helicopter carrying more than 11 persons, at least two life-rafts, stowed so as to facilitate their ready use in an emergency, sufficient together to accommodate all persons capable of being carried on board and, if one is lost, the remaining life-raft(s) having, the overload capacity sufficient to accommodate all persons on the helicopter;
(3) at least one survival ELT (ELT(S)) for each required life-raft; and
(4) life-saving equipment, including means of sustaining life, as appropriate to the flight to be undertaken.
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