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Refer to figure.
Given: Planned and actual data as shown in the Flight Log excerpt. Arriving overhead GAMMA you are cleared for direct routeing to MIKE.

The flight time for direct flight GAMMA to MIKE will be 1 h 08 min. Provided that flight conditions on the direct leg GAMMA to MIKE remain unchanged and fuel consumption remains unchanged, what fuel remaining should be expected at waypoint MIKE?

  • A
    2338 kg
  • B
    1250 kg
  • C
    1272 kg
  • D
    582 kg
First Step: Calculate the actual fuel consumption BETA - GAMMA
  • Fuel consumed BETA - GAMMA = Actual Fuel remaining at BETA - Actual Fuel Remaining at GAMMA
  • 2760 kg – 2360 kg = 400 kg
  • Time BETA – GAMMA 1:47 – 1:22 = 25 min
  • Fuel Consumption = 400 / 25 = 16 kg/min

Second Step: Calculate fuel consumed GAMMA - MIKE
TIME GAMMA - MIKE = 1 h 08 min = 68 min
Fuel consumed: 68 min x 16 kg/min = 1088 kg
Third Step: Calculate Fuel remaining at MIKE
FUEL at MIKE = Actual Fuel over GAMMA - Fuel Consumed (GAMMA - MIKE)
FUEL at MIKE = 2360 kg – 1088 kg = 1272 kg

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