| Abbreviation |
Term |
| |
| AC |
Air condition |
| A/C |
Air craft |
| AD |
Airworthiness directive |
| ADF |
Automatic direction finder |
| A&E |
Airframe and engine |
| Alc |
Alcohol (as in alc.prop) |
| AP |
Auto(matic) pilot |
| ATS |
Automatic throttle system |
| ASI |
Airspeed indicator |
| 360CH |
360 channel radio |
| 720CH |
720 channel radio |
| CG |
Centre of gravity |
| CHT |
Cylinder head temperature |
| Comm/COM |
Communications |
| Cont |
Continental (eng) |
| CS |
Constant speed propeller |
| DG |
Directional gyro |
| DME |
Distance measuring equipment |
| EGT |
Exhaust gas temperature |
| ELT |
Emergency locator transmitter |
| Enc Alt |
Encoding altimeter |
| FBO |
Fixed base operation |
| FD |
Flight director |
| FREMAN, FREM |
Factory remanufacture |
| GEM |
Graphic engine monitoring |
| GPH |
Gallons per hour |
| GR |
Glide ratio |
| GS |
Glideslope |
| hp |
Horsepower |
| HSI |
Horizontal situation indicator |
| IFR |
Instrument flight rules |
| ILS |
Instrument landing system |
| 3LMB/MB |
3 light marker beacon |
| LOC |
Localizer |
| LRF |
Long range fuel (capacity) |
| Lyc |
Lycoming (engine) |
| MB |
See 3LMB |
| MK |
Mark (model of equipment) |
| MPH |
Miles per hour |
| NAV |
Navigation |
| NAV/COM |
Navigation/communications |
| NDB |
Non-directional beacon |
| NDH |
No damage history |
| OAT |
Outside air temperature |
| OBO |
Or best offer |
| O/Oxy |
Oxygen |
| P&W |
Pratt and Whitney (engine) |
| RMI |
Radio magnetic indicator |
| RNAV |
Area navigation |
| SCTOH |
Since chrome top overhaul |
| SCMOH |
Since chrome major overhaul |
| SFREMAN/SFRM |
Since factory remanufacture |
| SMOH |
Since major overhaul |
| SPOH |
Since prop overhaul |
| STC |
Supplemental type certificate |
| STOH |
Since top overhaul |
| STOL |
Short take off and landing |
| T&B |
Turn and bank |
| TBI |
Turn and bank indicator |
| TBO |
Time between overhauls |
| TT |
Total time |
| TTAE or TTE |
Total time aircraft engine |
| TTAF or TTA |
Total time aircraft frame |
| TTSN |
Total time since new |
| VFR |
Visual flight rules |
| VHF |
Very high frequency |
| VOR |
Very high frequency Omni-Range |
| Xpdr |
Transponder |
