What is considered tare weight in aircraft weighing?

Tare weight refers to the weight of any items that are not part of the aircraft itself but are used during the weighing process. This includes things like the weight of equipment, tools, or any other additional materials that may be added to the aircraft for the purpose of the weighing process. In aviation, accurate weight measurements are crucial for safety and performance calculations. Knowing the tare weight allows operators to establish the true weight of the aircraft without the influence of non-essential items, ensuring that the weight data reflects only the aircraft's inherent characteristics.

The other choices describe different weight categories relevant to aircraft operations but do not specifically define tare weight. The total weight of the aircraft with all equipment accounts for items that are permanently part of the aircraft. Weight that includes all passengers and cargo refers to the maximum takeoff weight. The average weight of the aircraft with fuel would be respective of operational parameters but does not relate to the tare weight concept.