MAHWP—Missed Approach Holding Waypoint

MAMS—Military Airspace Management System

MAP—Missed Approach Point

MCA—Minimum Crossing Altitude

MDA—Minimum Descent Altitude

MDH—Minimum Descent Height

MEA—Minimum En-route Altitude

MEL—Minimum Equipment List

METAR—Aviation Routine Weather Report

MF—Medium Frequency

MIA—Minimum IFR Altitude

MLS—Microwave Landing System

MMWR—Millimeter Wave Radar

MNPS—Minimum Navigation Performance Specifications

MOA—Military Operations Area

MOCA—Minimum Obstruction Clearance Altitude

MOPS—Minimum Operational Performance Standards

MORA—Minimum Off-Route Altitude

MRA—Minimum Reception Altitude

MSA—Minimum Safe Altitude