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The empty weight of a vehicle is based on its weight without any
In the United States, bridge weight limits for trucks and other heavy vehicles may be expressed in terms of
payload
Payload is the object or the entity which is being carried by an aircraft or launch vehicle. Sometimes payload also refers to the carrying capacity of an aircraft or launch vehicle, usually measured in terms of weight. Depending on the nature of ...
(cargo, passengers, usable fuel, etc.).
Aviation
Many different empty weight definitions exist. Here are some of the more common ones used.GAMA standardization
In 1975 (or 1976 per FAA-H-8083-1B) the General Aviation Manufacturers Association (GAMA) standardized the definition of empty weight terms for Pilot Operating Handbooks as follows: Standard Empty Weight includes the following: * Empty weight of the airplane * FullHydraulic Fluid
A hydraulic fluid or hydraulic liquid is the medium by which power is transferred in hydraulic machinery. Common hydraulic fluids are based on mineral oil or water. Examples of equipment that might use hydraulic fluids are excavators and backhoe ...
* Unusable Fuel
* Full Oil
Optional Equipment includes the following:
* All equipment installed beyond standard
Non-GAMA usage
Previously (Regarding aircraft certified under CAR Part 3) the following were commonly used to define empty weights: In this definition Empty Weight includes the following: * Empty weight of the airplane * Undrainable Oil * Full Hydraulic Fluid Note that weight of oil must be added to Licensed Empty Weight for it to be equivalent to Basic Empty WeightGround transportation
In the United States, bridge weight limits for trucks and other heavy vehicles may be expressed in terms of gross vehicle weight
Vehicle weight is a measurement of wheeled motor vehicles; either an actual measured weight of the vehicle under defined conditions or a gross weight rating for its weight carrying capacity.
Curb or kerb weight
Curb weight (U.S. English) or kerb ...
or empty weight.
See also
* Zero Fuel Weight *Maximum Takeoff Weight
The maximum takeoff weight (MTOW) or maximum gross takeoff weight (MGTOW) or maximum takeoff mass (MTOM) of an aircraft is the maximum weight at which the pilot is allowed to attempt to take off, due to structural or other limits. The analogous ...
References
{{Reflist Aircraft weight measurements Vehicle law Trucks