| A | B |
|---|
| ABN | Airport Beacon ICAO |
| ABV | Above ICAO |
| ACC/ARTCC | Area Control Center ICAO |
| ACCUM | Accumulate FAA |
| ACFT | Aircraft ICAO |
| ACR | Air Carrier FAA |
| ACT | Active ICAO |
| ADJ | Adjacent FAA |
| ADZD | Advised ICAO |
| AFD | Airport Facility Directory FAA |
| AGL | Above Ground Level ICAO |
| ALS | Approach Lighting System ICAO |
| ALT | Altitude ICAO |
| ALTM | Altimeter FAA |
| ALTN | Alternate ICAO |
| ALTNLY | Alternately FAA |
| ALSTG | Altimeter Setting FAA |
| AMDT | Amendment ICAO |
| AMGR | Airport Manager FAA |
| AMOS | Automatic Meteorological Observing System FAA |
| AP | Airport ICAO |
| APCH | Approach ICAO |
| AP LGT | Airport Lighting ICAO |
| APP | Approach Control ICAO |
| ARFF | Aircraft Rescue & Fire Fighting FAA |
| ARR | Arrive, Arrival ICAO |
| ASOS | Automatic Surface Observing System FAA |
| ASPH | Asphalt ICAO |
| ATC | Air Traffic Control |
| ATCCC | Air Traffic Control Command Center FAA |
| ATIS | Automatic Terminal Information Service ICAO |
| AUTOB | Automatic Weather Reporting System FAA |
| AUTH | Authority ICAO |
| AVBL | Avialable ICAO |
| AWOS | Automatic Weather Observing/Reporting System FAA |
| AWY | Airway ICAO |
| AZM | Azimuth ICAO |
| BA Fair | Braking action fair ICAO |
| BA NIL | Braking action nil ICAO |
| BA POOR | Braking action poor ICAO |
| BC | Back Course FAA |
| BCN | Beacon ICAO |
| BERM | Snowback - containing earth/gravel FAA |
| BLW | Below ICAO |
| BND | Bound FAA |
| BRG | Bearing ICAO |
| BYD | Beyond FAA |
| CAAS | Class A Airspace FAA |
| CAT | Category ICAO |
| CBAS | Class B Airspace FAA |
| CBSA | Class B Surface Area FAA |
| CCAS | Class C Airspace FAA |
| CCLKWS | Counterclockwise FAA |
| CCSA | CLass C Surface Area FAA |
| CD | Clearance Delivery FAA |
| CDAS | Class D Airspace FAA |
| CDSA | Class D Surface Area FAA |
| CEAS | Class E Airspace FAA |
| CESA | Class E Surface Area FAA |
| CFR | Code of Federal Regulations FAA |
| CGAS | Class G Airspace FAA |
| CHAN | Channel FAA |
| CHG | Change or Modification ICAO |
| CIG | Ceiling FAA |
| CK | Check ICAO |
| CL | Centre Line ICAO |
| CLKWS | Clockwise FAA |
| CLR | Clearance, Clear, Cleared to ICAO |
| CLSD | Closed ICAO |
| CMB | Climb ICAO |
| CMSND | Commissioned FAA |
| CNL | Cancel ICAO |
| CNTRLN | Centerline FAA |
| COM | Communications ICAO |
| CONC | Concrete ICAO |
| CPD | Coupled FAA |
| CRS | Course FAA |
| CTC | Contact ICAO |
| CTL | Control ICAO |
| DALGT | Daylight FAA |
| DCMSN | Decommission FAA |
| DCMSND | Decommissioned FAA |
| DCT | Direct ICAO |
| DEGS | Degrees ICAO |
| DEP | Depart, Departure ICAO |
| DEP PROC | Departure Procddure FAA |
| DH | Decision Height ICAO |
| DISABLD | disabled FAA |
| DIST | Distance ICAO |
| DLA | Delay or Delayed ICAO |
| DLT | Delete FAA |
| DLY | Daily FAA |
| DME | Distance Measuring Equipment ICAO |
| DMSTN | Demonstration FAA |
| DP | Dewpoint Temperature ICAO |
| DRFT | Snowbank's/Caused by Wind Action FAA |
| DSPLCD | Displaced FAA |
| E | East ICAO |
| EB | Eastbound ICAO |
| EFAS | En Route Flight Advisory Service FAA |
| ELEV | Elevation ICAO |
| ENG | Engine ICAO |
| ENRT | En Route ICAO |
| ENTR | Entire FAA |
| EXC | Except ICAO |
| FAC | Facility or Facilities ICAO |
| FAF | Final Approach Fix ICAO |
| FAN MKR | Fan MArker ICAO |
| FDC | Flight Data Center FAA |
| FI/T | Flight Inspection Temporary FAA |
| FI/P | Flight Inspection Permanent FAA |
| FM | From ICAO |
| FNA | Final Approach ICAO |
| FPM | Feet Per minute ICAO |
| FREQ | Frequency ICAO |
| FRH | Fly runway Heading FAA |
| FRI | Friday FAA |
| FRZN | Frozen FAA |
| FSS | Automated/Flight Service Station ICAO |
| FT | Foot, Feet ICAO |
| GC | Ground Control FAA |
| GCA | Ground Control Approach ICAO |
| GOVT | Government FAA |
| GP | Glide Path ICAO |
| GPS | Global Positioning System FAA |
| GRVL | Gravel ICAO |
| HAA | Height Above Airport FAA |
| HAT | Height Above Touchdown FAA |
| HDG | Heading ICAO |
| HEL | Helicopter ICAO |
| HELI | Heliport FAA |
| HIRL | High Intensity Runway Lights FAA |
| HIWAS | Hazardous Inflight Weather Advisory Service FAA |
| HLDG | Holding ICAO |
| DOL | Holiday ICAO |
| ORIG | Original FAA |
| OTS | Out of Service FAA |
| OVR | Over FAA |
| PAEW | Personnel and Equipment Working FAA |
| PAX | Passenger (S) ICAO |
| PAPI | Precision Approach Path Indicator ICAO |
| PAR | Precision Approach Radar ICAO |
| PARL | Parallel ICAO |
| PAT | Pattern FAA |
| PCL | Pilot Controlled Lighting FAA |
| PERM | Permanent ICAO |
| PJE | Parachute Jumping Exercise ICAO |
| PLA | Practice Low Approach ICAO |
| PLW | Plow, Plowed FAA |
| PN | Prior Notice Required ICAO |
| PPR | Prior Permission Required ICAO |
| PRN | Psuedo Random Noise FAA |
| PROC | Procedure ICAO |
| PROP | Propeller FAA |
| PSR | Packed Snow on Runway (s) FAA |
| PTCHY | Patchy FAA |
| PTN | Procedure Turn ICAO |
| PVT | Privaste FAA |
| RAIL | Runway Alignment Indicator Light |
| RAMOS | Remote Automatic Meteorological Observing System FAA |
| RCAG | Remote Communication Air/Ground Facility FAA |
| RCL | Runway Center Line ICAO |
| RCLL | Runway Center Line Lights ICAO |
| RCO | Remote Communication Outlet FAA |
| REC | Receive or Receiver ICAO |
| REIL | Runway End Identifier LIghts FAA |
| RELCTD | Relocated FAA |
| REP | Report ICAO |
| RLLS | Runway Lead-In Light system ICAO |
| RMNDR | Remainder FAA |
| RMK | Remark(s) ICAO |
| RNAV | Area Navigation ICAO |
| RPLC | Replace ICAO |
| RQRD | Required FAA |
| RRL | Runway Remaining Lights FAA |
| RSR | En Route Surveillance Radar ICAO |
| RSVN | Reservation FAA |
| RT | Right Turn FAA |
| RTE | Route ICAO |
| RTR | Remote Transmitter/Receiver FAA |
| RTS | Return to Service ICAO |
| RUF | Rough FAA |
| RVR | Runway Visual Range ICAO |
| RVRM | Runway Visual Range Midpoint FAA |
| RVRR | Runway Visual Range Rollout FAA |
| RVRT | Runway Visual Range Touchdown FAA |
| RWY | Runway ICAO |
| S | South ICAO |
| SA | Sand/Sanded ICAO |
| SAT | Saturday FAA |
| SAWRS | Supplementary Aviation Weather Reporting Station FAA |
| SB | Southbound ICAO |
| SDF | Simplified Directional Facility FAA |
| SE | Southeast ICAO |
| SFL | Sequence Flashing Lights FAA |
| SIMUL | Simultaneous or Simultaneously ICAO |
| SIR | Packed or Compacted Snow and Ice on Runway (s) FAA |
| SKED | Scheduled or Schedule ICAO |
| SLR | Slush on Runway(s) FAA |
| SN | Snow ICAO |
| SNGL | Single FAA |
| SPD | Speed FAA |
| SSALF | Simplified Short Aproach Lighting with Flashers FAA |
| SSALR | Simplified Short Approach Lighting w/Runway Alignment Indicator Lights FAA |
| SSALS | Simlified Short Approach Lighting system FAA |
| SSR | Secondary Surveillance Radar ICAO |
| STA | Straight-In Approach ICAO |
| STAR | Standard Terminal Arrival ICAO |
| SUN | Sunday FAA |
| SVC | Service ICAO |
| SVN | Satellite Vehicle Number FAA |
| SW | Southwest ICAO |
| SWEPT | Swept or Broomed FAA |
| T | Temperaturer ICAO |
| TACAN | Tactical Air Navigational Aid (Azimuth and DME) ICAO |
| TAR | Terminal Area Surveillance Radar ICAO |
| TDWR | Terminal Doppler Weather Radar FAA |
| TDZ | Touchdown Zone ICAO |
| TDZ LGT | Touchdown Zone Lights ICAO |
| TEMPO | Temporary or Temporarily ICAO |
| TFC | Traffic ICAO |
| TFR | Temporary Flight Restriction FAA |
| TGL | Touch and Go Landings ICAO |
| THN | Thin FAA |
| THR | Threshold ICAO |
| THRU | through ICAO |
| THU | Thursday FAA |
| TIL | Until ICAO |
| TKOF | Takeoff ICAO |
| TM | Traffic Management FAA |
| TMPA | Traffic Management Program Alert FAA |
| TRML | Terminal FAA |
| TRNG | Training FAA |
| TRSN | Transition FAA |
| TSNT | Transient FAA |
| TUE | Tuesday FAA |
| TWR | Airport Control Tower ICAO |
| TWY | Taxiway ICAO |
| UAV | Unmanned Air Vehicles FAA |
| UFN | Until Further Notice FAA |
| UNAVBL | Unavailable FAA |
| UNLGTD | Unlighted FAA |
| UNMKD | Unmarked FAA |
| UNMNT | Unimonitored FAA |
| UNREL | Unreliable ICAO |
| UNUSBL | Unusable FAA |
| VASI | Visual Approach Slope Indicator System ICAO |
| VDP | Visual Descent Point FAA |
| VIA | By Way of FAA |
| VICE | Instead/Versus FAA |
| VIS | Visibility FAA |
| VMC | Visual Meteorological conditions ICAO |
| VOL | VOlume FAA |
| VOR | VHF Omni-Directional Radio Range ICAO |
| VORTAC | VOR & TACAN (Collocated) ICAO |
| w | West ICAO |
| WB | Westbound ICAO |
| WED | Wednesday FAA |
| WEF | With effect from or effective from ICAO |
| WI | within ICAO |
| WIE | with immediate effect or effective immediately ICAO |
| WKDAYS | monday through friday FAA |
| WKEND | saturday and sunday FAA |
| WND | Wind FAA |
| WPT | Waypoint ICAO |
| WSR | Wet SNow on Runway(s) FAA |
| WTR | Weater on Runway(s) FAA |
| WX | Weather ICAO |
