1.  Work out FUEL FLOW from latest ‘actual’ information ALPHA – BETA

Fuel flow A – B = (Actual fuel used)/(Actual Time) = 100/12 = 8.33kg/min

 

2.   B – G GS changed to100kts, so recalculate LEG TIME

LEG TIME = (DIST / SPEED) = (60/100) x 60 = 36 mins

 

3.   B – G Fuel used = 8.33 x 36 = 300 kgs

Fuel remaining at GAMMA = 2900 – 300 = 2600 kgs