| Abbreviation | Definition |
|---|---|
| MCAA | Marine Corps Aviation Association |
| MCAA | MONGOLIA Civil Aviation Authority |
| MCAR | Malaysian Civil Aviation Regulation |
| MCAR | Model Civil Aviation Regulations |
| MCAS | Manoeuvering Characteristics Augmentation System |
| MCAS | Mission Configurable Aircraft System |
| MCC | Manager Cabin Crew |
| MCD | Magnetic Chip Detector |
| MCD | Maintenance Control Display |
| MCDF | Maintenance Control Display Function |
| MCDU | Multifunction Control Display Unit |
| MCFI | Master Certificated Flight Instructor |
| MCIA | Macdonald–Cartier International Airport |
| MCIA | Mactan-Cebu International Airport |
| MCIA | Mexico City International Airport |
| MCP | Main Control Panel |
| MD | McDonnell-Douglas |
| MD&T | Master Dim Test |
| MD&T | Master Dim & Test |
| MDA | Minimum Descent Altitude |