What does the basic empty weight of an airplane include?

The basic empty weight of an airplane refers to the weight of the aircraft in its standard configuration. This weight includes the airframe, the engine, and any permanently installed equipment, such as avionics, instruments, and other systems that are an integral part of the aircraft. This measurement is crucial for various calculations, including loading and weight management, as it serves as a baseline for determining how much fuel, passengers, and cargo the aircraft can carry.

Fuel, passengers, and cargo are not included in the basic empty weight, as these items can vary depending on flight conditions and mission requirements. Understanding the components of basic empty weight is essential for pilots when calculating takeoff and landing weights, ensuring compliance with weight limits, and maintaining safety throughout the flight.