All Up Mass + Conversions

Question 1

Useful Load

Answer 1

DOM + Traffic Load + T/O Fuel

Also referred to as Disposable Load

Question 2

Zero Fuel Mass

Answer 2

ZFM = TOM - T/O Fuel

Maximum allowable aircraft mass with no useable fuel

Question 3

Traffic Load

Answer 3

Zero fuel mass minus the dry operating mass

Total mass of passengers and their bags,cargo/freight/non revenue load

Question 4

Quarts and Pints in a gallon

Answer 4

4 quarts in a gallon
8 pints in a gallon

Question 5

US Gallons To Litres

Answer 5

X 3.785

Question 6

Imperial Gallons to Litres

Answer 6

X 4 546

Question 7

Kgs to Lbs

Answer 7

X 2.205

Question 8

Variable Load

Answer 8

Crew and their bags/catering/good/potable water/special operational equipment

BEM + Variable Load = Dry Operating Mass

Question 9

Ft to metres

Answer 9

Divide by 3.28 (Ft to Metres)
Times by 3.28 (Metres to Ft)

Question 10

Inches to CMS

Answer 10

X 2.542

Question 11

Block Fuel

Answer 11

Start + Taxi
Trip Fuel
Contingency Fuel
Diversion/Alternate
Final Reserve
Additional at commanders discretion

Question 12

Tankering

Answer 12

Carrying extra fuel in order to reduce refuelling at destination

Question 13

To calculate the usable take off mass factors to be taken into account

Answer 13

Maximum landing mass augmented by the fuel burn

Question 14

Landing Mass

Answer 14

Take off mass minus trip fuel

Question 15

Max mass to which an aeroplane may be loaded prior to engine start

Answer 15

Maximum certificated taxi ramp mass