Aircraft Electronics Technician Practice Test 2026 - Free AET Practice Questions and Study Guide

MEL stands for Minimum Equipment List. This is the official document that specifies which equipment must be functioning for safe flight and which items may be inoperative under approved conditions. The acronym directly comes from those three words, so the standard way to refer to it is simply the Minimum Equipment List. The other options add qualifiers like FAA Approved or suggest a different type of list, but they’re not the recognized name of the document.