What does MEL stand for in aviation?

The term MEL stands for Minimum Equipment List in aviation. This is a critical document that outlines the minimum equipment that must be operational for an aircraft to be considered airworthy and capable of a safe flight. The MEL is developed for each aircraft type and takes into account its specific characteristics, operational environment, and regulatory requirements.

When a specific piece of equipment is inoperative, the MEL provides guidelines on how to handle that situation, including any operational restrictions or maintenance requirements that must be followed to continue safe operation. The minimum equipment allows the aircraft to operate under specific conditions and still comply with safety regulations, ensuring that both the aircraft's performance and safety are maintained.

This concept is essential in aviation as it allows for greater flexibility and understanding of what can be safely operated under various circumstances, thereby contributing to the efficiency of flight operations. Understanding the MEL supports flight crews and maintenance teams in ensuring compliance with safety standards while maximizing operational availability.