- A/C Air-Conditioning
- AD's Airworthiness Directives
- ADF Automatic Direction Finder
- AFTT Airframe Total Time
- AH Artificial Horizon
- A&P Airframe & Powerplant
- AP Audio Panel
- AP Autopilot
- CDI Course Deviation Indicator
- CHT Cylinder Head Temperature
- Com Communications
- C/R Counter Rotating
- CT Carburetor Temperature
- DF Direction Finder
- DG Directional Gyro
- DME Distance Measuring Equip.
- EFIS Electronic Flight Instrument System
- EGT Exhaust Gas Temperature
- ELT Emergency Locator Transmitter
- F/D Flight Director
- FGP Full Gyro Panel
- FWF Firewall Forward
- GNS Global Navigation System
- G/S Glide Slope
- GSP Ground Service Plug
- HC Heavy Case
- HF High Frequency
- HP Heated Pilot
- hp Horsepower
- HSI Horizontal Situation Indicator
- HSI Hot Section Inspection
- IFR Instrument Flight Rating
- ILS Instrument Landing System
- IRAN Inspect Repair As Necessary
- ITC Investment Tax Credit
- LE Left Engine
- LMB Light Marker Beacon
- LOC Localizer
- LR Long Range
- LRT Long Range Tanks
- MB Marker Beacon
- MDH Major Damage History
- MP Manifold Pressure
- MSP Maintenance Service Plan
- NDH No Damage History
- NM Nautical Miles
- Nav Navigation Radio Receiver
- OAT Outside Air Temperature
- OH Overhaul
- PET Piper Electric Trim
- PC Positive Control
- PBH Power by the hour
- RB Rotating Beacon
- RC Rate of Climb
- RDF Radio Direction Finder
- RE Right Engine
- RG Retractable Gear
- RMI Radio Magnetic Indicator
- RNAV Area Navigation
- SB's Service Bulletins
- SCMOH Since Chrome Remanufacture
- SHS Since Hot Section
- SMOH Since Major Overhaul
- SOH Since Overhaul
- S/N Serial Number
- SPOH Since Prop Overhaul
- STOH Since Top Overhaul
- STOL Short Take-Off
- TBO Time Between Overhaul
- TT Total Time
- TTAE Total Time Aircraft & Engine
- TTSN Total Time Since New
- XPDR Transponder
- VLF Very Low Frequency
- VOR VHF Omni Range
