Where are operational and maintenance procedures for inoperative equipment found in a 14 CFR Part 91 operator's MEL?

Operational and maintenance procedures for inoperative equipment are detailed in the Procedures Document of a Minimum Equipment List (MEL). This document outlines how an operator should handle equipment that is not functioning but does not adversely affect the safety of the aircraft. It provides guidance on the necessary steps to follow when a piece of equipment is inoperative, including inspection protocols, operational restrictions, and any required maintenance actions before flight.

The correct answer highlights the critical role that this document plays in ensuring compliance with regulations and maintaining safety standards. The Procedures Document is essential for establishing clear protocols and ensuring that all personnel are aware of the appropriate actions to take regarding inoperative equipment. This promotes a systematic approach to aircraft operations and maintenance, enhancing safety in aviation operations.

The other options, while related, do not serve the same function. The Letter of Authorization (LOA) typically pertains to specific permissions granted by the FAA for particular operations, whereas the Master Minimum Equipment List (MMEL) provides a broader guideline for what equipment can remain inoperative across different aircraft. The Equipment Specifications Guide may contain information about various parts and components but does not focus specifically on procedures for inoperative equipment.