scope:

Purpose of This Notice.

This notice announces revised policy associated with Master Minimum Equipment List (MMEL) Policy Letter (PL) 98, Navigation Databases. This notice provides guidance to the Federal Aviation Administration (FAA) Aircraft Evaluation Groups (AEG) who develop and revise MMELs, and aviation safety inspectors (ASI) with minimum equipment list (MEL) oversight responsibility, and tasks them with ensuring all MMELs and operator's MELs are updated in accordance with this notice and MMEL PL-98, revision 1.

Note: The use of the term "operator" in this notice refers to those certificate holders, program managers, foreign air carriers, and aircraft owners utilizing an MMEL or MEL and conducting aircraft operations under Title 14 of the Code of Federal Regulations (14 CFR) parts 91, 91 subpart K (part 91K), 121, 125, 129, and 135, unless otherwise specified.