TM 55-1510-220-10
Maximum Zero
Any weight above the value must be loaded as fuel.
Fuel Weight
Moment
A measure of the rotational tendency of a weight, about a specified line,
mathematically equal to the product of the weight and the arm.
Standard
Weights corresponding to the aircraft as offered with seating and interior,
avionics, accessories, fixed ballast and other equipment specified by the
manufacturer as composing a standard aircraft.
Station
The longitudinal distance from some point to the zero datum or zero fuselage
station.
Takeoff Weight
The weight of the aircraft at liftoff.
Unusable Fuel
The fuel remaining after consumption of usable fuel.
Usable Fuel
That portion of the total fuel which is available for consumption as determined
in accordance with applicable regulatory standards.
Useful Load
The difference between the aircraft ramp weight and basic empty weight.
7. MISCELLANEOUS ABBREVIATIONS.
Deg
Degrees
DN
Down
FT
Foot or feet
FT-LB
Foot-pounds
GAL
Gallons
HR
Hours
kHz
Kilohertz
LB
Pounds
MAX
Maximum
MHz
Megahertz
MIN
Minimum
NAUT
Nautical
NM
Nautical miles
PSI
Pounds per square inch
R/C
Rate of climb
B-5/(B-6 blank)
