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SFO Abbreviations
| ABM | ABEAM |
| ACK | ACKNOWLEDGE |
| ADZ | ADVISE |
| AIA | ADVISE IF ABLE |
| TAF | AERODROME FORECAST |
| AFM | AFFIRMATIVE |
| APSG | AFTER PASSING |
| ADIZ | AIR DEFENSE ID ZONE |
| ATC | AIR TRAFFIC CONTROL |
| ACFT | AIRCRAFT |
| ALTN | ALTERNATE |
| ALT | ALTITUDE |
| ATTM | AT THIS TIME |
| ATCA | ATC ADVISES |
| ATCC | ATC CLEARS |
| ATCR | ATC REQUESTS |
| ATMT | ATTEMPT |
| AVBL | AVAILABLE |
| METAR | AVIATION ROUTINE WEATHER REPORT |
| BFR | BEFORE |
| BLX | BLOCK |
| BDRY | BOUNDARY |
| BKN | BROKEN |
| VIA | BY WAY OF |
| CNTR | CENTER |
| CHG | CHANGE |
| CK | CHECK |
| CAT | CLEAR AIR TURBULENCE |
| CVINO | CLEARANCE VOID IF NOT OFF |
| CLB | CLIMB |
| CAPD | CLIMB AT PILOTS DISC. |
| CTAM | CLIMB TO AND MAINTAIN |
| CO | COMPANY |
| COND | CONDITION |
| CFM | CONFIRM |
| CTC | CONTACT |
| CTCC | CONTACT CENTER |
| CONT | CONTINUE |
| CONS | CONTINUOS |
| CNVG | CONVERGE |
| COOR | COORDINATE |
| COORD | COORDINATES |
| COR | CORRECTION |
| CRS | COURSE |
| X | CROSS |
| XNG | CROSSING |
| CRZ | CRUISE |
| DLA | DELAY |
| DEP | DEPART |
| DEPT | DEPARTMENT |
| DSCND | DESCEND |
| DTAM | DESCEND TO AND MAINTAIN |
| DEST | DESTINATION |
| DEV | DEVIATION |
| DCT | DIRECT |
| DRCTN | DIRECTION |
| DD | DISPATCHER |
| DSRG | DISREGARD |
| DUPE | DUPLICATE |
| E | EAST |
| EMERG | EMERGENCY |
| ELT | EMERGENCY LOCATOR TRANSMITTER |
| EQPT | EQUIPMENT |
| ESTAB | ESTABLISH |
| ESTAB | ESTIMATED |
| ETE | ESTIMATED TIME ENROUTE |
| ETA | ESTIMATED TIME OF ARRIVAL |
| ETD | DESTIMATED TIME OF DEPARTURE |
| FT | FEET |
| FLT | FLIGHT |
| FIR | FLIGHT INFO. REGION |
| FPR | FLIGHT PLAN ROUTE |
| FYI | FOR YOUR INFORMATION |
| FCST | FORECAST |
| FWD | FORWARD |
| FREQ | FREQUENCY |
| FCA | FREQ. CHANGE APPRO. |
| FM | FROM |
| FOB | FUEL ON BOARD |
| GALS | GALLONS |
| GPS | GLOBAL POSITIONING SYSTEM |
| GTR | GREATER |
| GES | GROUND EARTH STATION |
| GRD | GUARD |
| HDG | HEADING |
| HDWND | HEADWIND |
| HVY | HVY |
| HI | HIGH |
| HYR | HIGHER |
| HR | HOURS |
| ID | IDENTIFIER |
| IDENT | IDENTIFICATION |
| INOF | IF NOT OFF |
| IFUN | IF UNABLE |
| INFO | INFORMATION |
| INOP | INOPERATIVE |
| INTNS | INTENTIONS |
| INTMT | INTERMITTENT |
| ITCK | ISSUE TIME CHECK |
| KG | KILOGRAMS |
| KM | KILOMETERS |
| KT | KNOTS |
| LAT | LATITUDE |
| LVE | LEAVING |
| LVL | LEVEL |
| LV | LIGHT AND VARIABLE |
| LGT | LONGITUDE |
| LONG | LONGITUDE |
| LWR | LOWER |
| MNTN | MAINTAIN |
| MMACH | MAINTAIN MACH |
| MAINT | MAINTENANCE |
| MAX | MAXIMUM |
| MSG | MESSAGE |
| MI | MILES |
| MNM | MINIMUM |
| MSG | MINUS |
| MIN | MINUTES |
| MOD | MODERATE |
| MNT | MONITOR |
| NIM | NAUTICAL MILES |
| NEC | NECESSARY |
| NEG | NEGATIVE |
| NOSIG | NO SIGNAL CHANGE |
| NML | NORMAL |
| N | NORTH |
| NLT | NOT LATER THAN |
| LOCNL | OCCASIONALLY |
| OPS | OPERATIONS |
| OPNML | OPS. NORMAL |
| OPDT | OPPOSITE DIRECTION TRAFIC |
| OTS | OUT OF SERVICE |
| OHD | OVERHEAD |
| PAX | PASSENGER (S) |
| PSG | PASSING |
| POB | PERSONS ON BOARD |
| PLS | PLEASE |
| PS | PLUS |
| PSN | POSITION |
| POSS | POSSIBLE |
| PALT | PRESENT ALTITUDE |
| PPSN | PRESENT POSITION |
| PRI | PRIMARY |
| RDL | RADIAL |
| RDO | RADIO |
| RCK | RAMP OR RADIO CHECK |
| RCH | REACH |
| RLA | RELAY TO |
| RLS | RELEASE |
| RMK | REMARK |
| RPT | REPEAT |
| RR | REPORT REACHING |
| REP | REPORT REACHING |
| REQ | REQUEST |
| RERTE | REROUTE |
| RORU | REST OF ROUTE UNCHANGED |
| RNLS | RESUME NORMAL SPEED |
| RTS | RETURN TO SERVICE |
| RVS | REVISE |
| RITE | RIGHT (DIRECTION) |
| R | ROGER |
| RUF | ROUGH |
| RTE | ROUTE |
| RWY | RUNWAY |
| SAYTA | SAY TIME ABLE |
| SCT | SCATTERED |
| SKED | SCHEDULE |
| SAR | SEARCH AND RESCUE |
| SRY | SECONDARY |
| SELCAL | SELECTIVE CALLING SYSTEM |
| SVC | SERVICE MESSAGE |
| SMTH | SMOOTH |
| SOB | SOULS ON BOARD |
| SQK | SQK |
| SDBY | SDBY |
| SUPVR | SUPVR |
| TKOF | TKOF |
| TELCO | TELEPHONE COMPANY |
| TEMPO | TEMPORARY |
| THRU | THROUGH |
| TS | THUNDERSTORM |
| TM | TIME |
| TC | TIME CHECK |
| TCI | TIME CHECK ISSUED |
| TFC | TRAFFIC |
| TAS | TRUE AIRSPEED |
| TURB | TURBULENCE |
| UNA | UNABLE |
| AHA | UNABLE HIGHER ALTITUDE |
| UNRDBL | UNREADABLE |
| UFN | UNTIL FURTHER NOTICE |
| UFA | UNTIL FURTHER ADVISED |
| VRB | VARIABLE |
| VFY | VERIFY |
| VCY | VICINITY |
| VIS | VISIBILITY |
| WPT | WAYPOINT |
| WX | WEATHER |
| WILCO | WILL COMPLY |
| WS | WIND SHEAR |
| U | YOU |
| YUR | YOUR |