What is the equation for Zero Fuel Weight?

The equation for Zero Fuel Weight (ZFW) is accurately represented by the sum of Basic Empty Weight and Payload. Zero Fuel Weight is a critical measurement in aviation as it defines the maximum weight of an aircraft without any usable fuel.

Basic Empty Weight refers to the weight of the aircraft including the airframe, engines, systems, and operational fluids (excluding fuel and cargo). Payload consists of passengers, cargo, and any other items that contribute to the total load of the aircraft. By adding these two components, you arrive at the total weight that the aircraft is carrying prior to the addition of fuel.

This parameter is essential for determining an aircraft's balance and payload capacity, which are crucial for safe flight operations. Understanding ZFW helps flight crews manage weight distribution and ensure compliance with regulatory and operational limits.