The empty weight of an aircraft is based on its weight without any payload (cargo, passengers, usable fuel, etc.). Many different empty weight definitions exist, here are some of the more common ones used.
Contents
GAMA Standardization
In 1975 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:
Optional Equipment includes the following:
Non GAMA Usage
Previously the following were commonly used to define empty weights:
In this definition Empty Weight includes the following:
Note that weight of oil must be added to Licensed Empty Weight for it to be equivalent to Basic Empty Weight
References
Empty weight Wikipedia(Text) CC BY-SA