| A/FD | Airport/Facility Directory |
| AAS | Airport Advisory Service |
| ACARS | Aircraft Communications Addressing and Reporting System |
| AD | Airworthiness Directive |
| ADF | Automatic Direction Finder |
| AGL | Above Ground Level |
| AIM | Airmans Information Manual |
| ALS | Approach Light System |
| ARSA | Airport Radar Service Area |
| ARSR | Air Routs Surveillance Radar |
| ARTCC | Air Route Traffic Control Center |
| ASR | Airport Surveillance Radar |
| ATC | Air Traffic Control |
| ATIS | Auto Terminal Information Service |
| AWOS | Automated Weather Observing System |
| CAS | Calibrated Air Speed |
| CONSOL | Low or Medium Frequency Long Range Navigational Aid |
| CT | Control Tower |
| CTAF | Common Traffic Advisory Frequencies |
| CVR | Cockpit Voice Recorder |
| CZ | Control Zone |
| DH | Decision Height |
| DME | Distance Measuring Equipment Compatible with TACAN |
| EAS | Equivalent Air Speed |
| ELT | Emergency Locator Transmitter |
| FAA | Federal Aviation Administration |
| FAR | Federal Aviation Regulations |
| FDR | Flight Data Recorder |
| FM | Fan Marker |
| FSS | Flight Service Station |
| GS | Glide Slope |
| HIRL | High Intensity Runway Light system |
| HIWAS | Hazardous Inflight Weather Advisory Service |
| IAS | Indicated Airspeed |
| ICAO | International Civil Aviation Organization |
| IFR | Instrument Flight Rules |
| ILS | Instrument Landing System |
| IM | Inner Marker |
| INT | Intersection |
| LDA | Localizer Directional Aid |
| LFR | Low Frequency Radio Range |
| LMM | Locator at Middle Marker (compass) |
| LOC | ILS Localizer |
| LOM | Compass Locator at Outer Marker |
| M | Mach Number |
| MAA | Maximum Authorized IFR Altitude |
| MALS | Medium intensity Approach Light System |
| MALSR | Medium intensity Approach Light System w/Runway Alignment lights |
| MCA | Minimum Crossing Altitude |
| MDA | Minimum Descent Altitude |
| MEA | Minimum Enroute IFR Altitude |
| MM | Middle Marker |
| MOA | Military Operation Area |
| MOCA | Minimum Obstruction Clearance Altitude |
| MRA | Minimum Reception Altitude |
| MSL | Mean Sea Level |
| MTR | Military Training Route |
| NAV/COM | Navigation Communications Radio |
| NAVAID | Navigational Aid |
| NDB | Non Directional Beacon (ADF) |
| NFCT | Non-Federal Control Tower |
| NO A/G | No Air to Ground Communications |
| NOAA | National Oceanic and Atmospheric Administration |
| NOPT | No Procedure Turn Required |
| NOTAM | Notice to Airmen Affecting Airport |
| OCSL | |
| OEI | One Engine Inoperative |
| OM | Outer Marker ILS |
| PAR | Precision Approach Radar |
| PCL | Pilot Controlled Lighting |
| RAIL | Runway Alignment Indicator Light System |
| RBN | Radio Beacon |
| RCLM | Runway Centerline Marking |
| RCLS | Runway Centerline Light System |
| REIL | Runway End Identification Lights |
| RFSS | Remote Flight Service Station |
| RR | Low or Medium Frequency Radio Range Station |
| RVR | Runway Visual Range as measured in the touchdown zone area |
| SALS | Short Approach Light System |
| SOB | Souls On Board |
| SSALS | Simplified Short Approach Light System |
| SSALSR | Simplified Short Approach Light System w/Runway alignment lights |
| TA | Transition Area |
| TAC | Terminal Area Chart |
| TACAN | Tactical Air Navigational Aid (UHF) |
| TAS | True Air Speed |
| TCA | Terminal Control Area |
| TCAS | Traffic Collision Avoidance System |
| TDZL | Touch Down Zone Lights |
| TRACON | Terminal Radar Approach Control |
| TRSA | Terminal Radar Service Area |
| TVOR | Terminal VHF Omnirange Station |
| TWEB | Transcribed Weather Broadcast |
| UNICOM | Aeronautical Advisory Communication |
| V1 | Takeoff decision speed (formerly denoted as critical engine failure speed) |
| V2 | Min minimum takeoff safety speed |
| V2 | Takeoff safety speed |
| VA | Design Maneuvering Speed |
| VB | Design Speed for Maximum Gust Intensity |
| VC | Design Cruising Speed |
| VD | Design Diving Speed |
| VDF/MDF | Demonstrated Flight Diving Speed |
| VF | Design Flap Speed |
| VFC/MFC | Maximum Speed for Stability Characteristics |
| VFE | Maximum Flap Extended Speed |
| VFR | Visual Flight Rules |
| VH | Maximum speed in level flight with maximum continuous power |
| VHF | Very High Frequency |
| VLE | Maximum landing gear extended speed |
| VLO | Maximum landing gear operating speed |
| VLOF | Lift-off Speed |
| VMC | Minimum control speed with the critical engine inoperative |
| VMO/MMO | Maximum operating limit speed |
| VMU | Minimum unstick speed |
| VNE | Never-exceed speed |
| VNO | Maximum structural cruising speed |
| VOR | VHF Omnirange Station |
| VOR-DME | VHF Omnidirectional Range/Distance Measuring Equipment |
| VORTAC | VHF Omnidirectional Range/Tactical Air Navigation |
| VR | Rotation speed |
| VS | Stalling speed or the minimum steady flight speed at which the airplane is controllable |
| VS0 | Stalling speed or the minimum steady flight speed in the landing configuration |
| VS1 | Stalling speed or the minimum steady flight speed obtained in a specific configuration |
| VTOL | Vertical Take Off and Landing |
| VTOSS | Takeoff Safety Speed for Category A Rotorcraft |
| VX | Speed for best angle of climb |
| VY | Speed for best rate of climb |