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Given the following information, determine the minimum fuel required to be on board a helicopter, before starting an IFR Commercial Air Transport flight in a non-hostile environment:

Trip Fuel: 4 780 kg
Fuel to alternate: 987 kg
Taxi Fuel: 120 kg
Fuel flow at 1500 feet above destination aerodrome: 1 232 kg/h
Extra Fuel: 0 kg
Discretionary Fuel: 0 kg

  • A
    6 742 kg
  • B
    6 776 kg
  • C
    6 861 kg
  • D
    6 981 kg

According to AMC1 CAT.OP.MPA.191(b)&(c) Fuel/energy scheme — fuel/energy planning and in-flight re-planning policy —helicopters:

(a) The pre-flight calculation of the required usable fuel to be carried on board should include the following:

(1) Taxi fuel, 120 kg ;

(2) Trip fuel, 4 780 kg ;

(3) Contingency fuel, which should be for IFR flights 10% of the planned trip fuel (either in a hostile, or in a non-hostile environment): 10% x 4 780 kg = 478 kg ;

(4) Alternate fuel, 987 kg ;

(5) Final Reserve Fuel if flying under IFR, 30-minute fuel/energy at holding speed at 1 500 ft above the destination alternate: 1 232 kg/hr x 30/60 hr = 616 kg ;

(6) Extra fuel, 0 kg ; and

(7) Discretionary fuel, 0 kg.

Thus, the minimum fuel required to be on board is: 6 981 kg.

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