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Refer to figure.
Determine the Take-off Mass, given:

Basic Empty Mass: 3210 lb
Pilot and front passenger: 380 lb
Passengers (centre seats): 330 lb
Baggage zone 1: 100 lb
Baggage zone 4: 100 lb
Fuel loading: 85 US gal
Fuel allowance for start, taxi and run up: 4 US gal
Estimated fuel burn-off: 60 US gal
Fuel density: 6 lb/US gal

  • A

    4606 lb

  • B

    4656 lb

  • C

    4306 lb

  • D

    4246 lb

Refer to figure.
TOM = ZFM + TOF

ZFM = BEM + Crew and standard equipment + TL
ZFM = 3210 + 380 + 330 + 100 + 100 = 4120 lb

TOF = Fuel loading (lb) - Fuel allowance for start, taxi and run up (lb)
Fuel loading (lb) = 85 US Gal x 6 lb/US gal = 510 lb
Fuel allowance for start, taxi and run up (lb) = 4 US gal x 6 lb/US gal = 24 lb
TOF = 510 - 24 = 486 lb

TOM = ZFM + TOF = 4120 + 486 = 4606 lb

TOM: Take off Mass

ZFM: Zero Fuel Mass

BEM: Basic Empty Mass

TOF: Take off Fuel

TL: Traffic Load

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