M

M
M Many-to-Many relationship
M Modules (replaceable)
M Symbol for Mega (10+6)
m Symbol for milli (10-3)
m. metre
m/sec Metres per second
M/T Medium-Term
MA Member Association
MA Message Assurance *
MA Morocco (ISO Countries Codes)
MAAFAS More Autonomous Aircraft in the Future ATM System
MAC Military Airlift Command
MAC Mid-Air Collision
MAC Management Advisory Committee
MAC Medium Access Control * (RMCDE)
MAC Message for the Abrogation of Coordination (OLDI)
MACC Military Area Control Centre
MACC Manchester Area Control Centre
MACE Malvern Capacity Estimate
MACE Multi-criteria analysis for Concept Evaluation
MACEN Mando Centra
MACS Multiple Access Communications System
MAD Model of Activity for Design
MADAP Maastricht Automated Data Processing and Display System * / Système de
traitement et d’affichage automatique des données du Centre de Maastricht (FR)
MADREC Maastricht Data Recording *
M-ADS Modified Automatic Dependent Surveillance (ICAO)
MAESCAPE Eurocontrol Simulation Capability and Platform for Experimentation tailored to
Maastricht UAC requirements
MAESTRO Means to Aid Expedition and Sequencing of Traffic with Research and
Optimisation / Moyen d'Aide à Ecoulement Séquencé du Trafic avec Recherche
d'Optimisation (FR)
MAHF missed Approach Holding Fix
MAHWP Missed Approach Holding Waypoint