🔴✈️ 21. Acrónimos y abreviaturas mas utilizadas en aviación 🚁
FUENTE: Abreviaturas y códigos de la OACI - Doc 8400 - PANS ABC
| Sigla | Significado |
| A/C | Aircraft (Aeronave) |
| A/FD | Airport/Facility Directory |
| A/G | Air to Ground |
| A/HA | Altitude/Height |
| AAF | Army Air Field |
| AAI | Arrival Aircraft Interval |
| AAP | Advanced Automation Program |
| AAR | Airport Acceptance Rate |
| ABDIS | Automated Data Interchange System Service B |
| ABN | Aerodrome Beacon |
| ABV | Above |
| ACAIS | Air Carrier Activity Information System |
| ACAS | Aircraft Collision Avoidance System |
| ACC | Area Control Center; Airports Consultants Council |
| ACCT | Accounting Records |
| ACCUM | Accumulate |
| ACD | Automatic Call Distributor |
| ACDO | Air Carrier District Office |
| ACF | Area Control Facility |
| ACFO | Aircraft Certification Field Office |
| ACFT | Aircraft |
| ACID | Aircraft Identification |
| ACI-NA | Airports Council International-North America |
| ACIP | Airport Capital Improvement Plan |
| ACLS | Automatic Carrier Landing System |
| ACLT | Actual Landing Time Calculated |
| ACO | Office of Airports Compliance and Field Operations; Aircraft Certification Office |
| ACR | Air Carrier |
| ACRP | Airport Cooperative Research Program |
| ACS | Airman Certification Standard |
| ACT | Active, Activated, or Activity |
| ADA | Air Defense Area |
| ADAP | Airport Development Aid Program |
| ADAS | AWOS Data Acquisition System |
| ADCCP | Advanced Data Communications Control Procedure |
| ADDA | Administrative Data |
| ADIN | AUTODIN Service |
| ADIZ | Air Defense Identification Zone |
| ADJ | Adjacent |
| ADL | Aeronautical Data-Link |
| ADLY | Arrival Delay |
| ADO | Airline Dispatch Office |
| ADP | Automated Data Processing |
| ADSIM | Airfield Delay Simulation Model |
| ADSY | Administrative Equipment Systems |
| ADTN | Administrative Data Transmission Network |
| ADTN2000 | Administrative Data Transmission Network 2000 |
| ADVO | Administrative Voice |
| ADZD | Advised |
| AEG | Aircraft Evaluation Group |
| AERA | Automated En Route Air Traffic Control |
| AEX | Automated Execution |
| AF | Airway Facilities |
| AFB | Air Force Base |
| AFIS | Automated Flight Inspection System |
| AFP | Area Flight Plan |
| AFRES | Air Force Reserve Station |
| AFSFO | AFS Field Office |
| AFSFU | AFS Field Unit |
| AFSOU | AFS Field Office Unit (Standard is AFSFOU) |
| AFSS | Automated Flight Service Station |
| AFTN | Automated Fixed Telecommunications Network |
| AGIS | Airports Geographic Information System |
| AGL | Above Ground Level |
| AID | Airport Information Desk |
| AIG | Airbus Industries Group |
| AIM | Airman’s Information Manual |
| AlP | Airport Improvement Plan |
| AIRMET | Airmen’s Meteorological Information |
| AIRNET | Airport Network Simulation Model |
| AIS | Aeronautical Information Service |
| AlT | Automated Information Transfer |
| ALP | Airport Layout Plan |
| ALSFl | ALS with Sequenced Flashers I |
| ALSF2 | ALS with Sequenced Flashers II |
| ALSIP | Approach Lighting System Improvement Plan |
| ALSTG | Altimeter Setting |
| ALT | Altitude |
| ALTM | Altimeter |
| ALTN | Alternate |
| ALTNLY | Alternately |
| ALTRV | Altitude Reservation |
| AMASS | Airport Movement Area Safety System |
| AMCC | ADF/ARTCC Maintenance Control Center |
| AMDT | Amendment |
| AMGR | Airport Manager |
| AMOS | Automatic Meteorological Observing System |
| AMP | ARINC Message Processor; Airport Master Plan |
| AMVER | Automated Mutual Assistance Vessel Rescue System |
| ANC | Alternate Network Connectivity |
| ANCA | Airport Noise and Capacity Act |
| ANG | Air National Guard |
| ANGB | Air National Guard Base |
| ANMS | Automated Network Monitoring System |
| ANSI | American National Standards Group |
| AOA | Air Operations Area |
| AP | Airport; Acquisition Plan |
| APCH | Approach |
| APL | Airport Lights |
| APP | Approach; Approach Control; Approach Control Office |
| APS | Airport Planning Standard |
| AQAFO | Aeronautical Quality Assurance Field Office |
| ARAC | Army Radar Approach Control (AAF); Aviation Rulemaking Advisory Committee |
| ARCTR | FAA Aeronautical Center or Academy |
| ARF | Airport Reservation Function |
| ARFF | Aircraft Rescue and Fire Fighting |
| ARINC | Aeronautical Radio, Inc |
| ARLNO | Airline Office |
| ARO | Airport Reservation Office |
| ARP | Airport Reference Point |
| ARR | Arrive; Arrival |
| ARRA | American Recovery and Reinvestment Act of 2009 |
| ARSA | Airport Service Radar Area |
| ARSR | Air Route Surveillance Radar |
| ARTS | Automated Radar Terminal System |
| ASAS | Aviation Safety Analysis System |
| ASC | AUTODIN Switching Center |
| ASCP | Aviation System Capacity Plan |
| ASD | Aircraft Situation Display |
| ASDA | Accelerate-Stop Distance Available |
| ASLAR | Aircraft Surge Launch and Recovery |
| ASM | Available Seat Mile |
| ASP | Arrival Sequencing Program |
| ASPH | Asphalt |
| ASQP | Airline Service Quality Performance |
| ASTA | Airport Surface Traffic Automation |
| ASV | Airline Schedule Vendor |
| AT | Air Traffic |
| ATA | Air Transport Association of America |
| ATAS | Airspace and Traffic Advisory Service |
| ATC | Air Traffic Control |
| ATCAA | Air Traffic Control Assigned Airspace |
| ATCBI | Air Traffic Control Beacon Indicator |
| ATCCC | Air Traffic Control Command Center |
| ATCO | Air Taxi Commercial Operator |
| ATCRB | Air Traffic Control Radar Beacon |
| ATCSCC | Air Traffic Control System Command Center |
| ATCT | Airport Traffic Control Tower |
| ATISR | ATIS Recorder |
| ATM | Air Traffic Management; Asynchronous Transfer Mode |
| ATMS | Advanced Traffic Management System |
| ATN | Aeronautical Telecommunications Network |
| ATODN | AUTODIN Terminal (FUS) |
| ATOMS | Air Traffic Operations Management System |
| ATOVN | AUOTVON (Facility) |
| ATS | Air Traffic Service |
| ATSCCP | ATS Contingency Command Post |
| AUTH | Authority |
| AUTOB | Automatic Weather Reporting System |
| AUTODIN | DoD Automatic Digital Network |
| AUTOVON | DoD Automatic Voice Network |
| AVBL | Available |
| AVN | Aviation Standards National Field Office, Oklahoma City |
| AVON | AUTOVON Service |
| AWlS | Airport Weather Information |
| AWP | Aviation Weather Processor |
| AWPG | Aviation Weather Products Generator |
| AWS | Air Weather Station |
| AWY | Airway |
| BA FAIR | Braking Action Fair (BAFAIR) |
| BA NIL | Braking Action Nil (BANIL) |
| BA POOR | Braking Action Poor (BAPOOR) |
| BANS | BRITE Alphanumeric System |
| BART | Billing Analysis Reporting Tool (GSA software tool) |
| BASIC | Basic Contract Observing Station |
| BASOP | Military Base Operations |
| BCA | Benefit/Cost Analysis |
| BCN | Beacon |
| BCR | Benefit/Cost Ratio |
| BDAT | Digitized Beacon Data |
| BERM | Snowbank(s) Containing Earth/Gravel |
| BLW | Below |
| BMP | Best Management Practices |
| BND | Bound |
| BOC | Bell Operating Company |
| bps | Bits Per Second |
| BRG | Bearing |
| BRI | Basic Rate Interface |
| BRITE | Bright Radar Indicator Terminal Equipment |
| BRL | Building Restriction Line |
| BUEC | Back-Up Emergency Communications |
| BUECE | Back-Up Emergency Communications Equipment |
| BYD | Beyond |
| C/S/S/N | Capacity/Safety/Security/Noise (CSSN) |
| CAA | Civil Aviation Authority; Clean Air Act |
| CAAS | Class A Airspace |
| CAB | Civil Aeronautics Board |
| CARF | Central Altitude Reservation Facility |
| CASFO | Civil Aviation Security Office |
| CAT | Category; Clear-Air Turbulence |
| CAU | Crypto Ancillary Unit |
| CBAS | Class B Airspace |
| CBI | Computer Based Instruction |
| CBSA | Class B Surface Area |
| CC&O | Customer Cost and Obligation |
| CCAS | Class C Airspace |
| CCC | Communications Command Center |
| CCCC | Staff Communications |
| CCCH | Central Computer Complex Host |
| CCLKWS | Counterclockwise |
| CCS7-NI | Communication Channel Signal-7-Network Interconnect |
| CCSA | Class C Surface Area |
| CCSD | Command Communications Service Designator |
| CCU | Central Control Unit |
| CD | Clearance Delivery; Common Digitizer |
| CDAS | Class D Airspace |
| CDR | Cost Detail Report |
| CDSA | Class D Surface Area |
| CDT | Controlled Departure Time |
| CDTI | Cockpit Display of Traffic Information |
| CEAS | Class E Airspace |
| CENTX | Central Telephone Exchange |
| CEP | Capacity Enhancement Program |
| CEQ | Council on Environmental Quality |
| CERAP | Center Radar Approach Control; Combined Center Radar Approach Control |
| CESA | Class E Surface Area |
| CFC | Central Flow Control |
| CFCF | Central Flow Control Facility |
| CFCS | Central Flow Control Service |
| CFR | Code of Federal Regulations |
| 14 CFR | 14 of the Code of Federal Regulations |
| CFWP | Central Flow Weather Processor |
| CFWU | Central Flow Weather Unit |
| CGAS | Class G Airspace; Coast Guard Air Station |
| CHG | Change |
| CIG | Ceiling |
| CK | Check |
| CL | Centerline |
| CLC | Course Line Computer |
| CLIN | Contract Line Item |
| CLKWS | Clockwise |
| CLR | Clearance, Clear(s), Cleared To |
| CLSD | Closed |
| CLT | Calculated Landing Time |
| CM | Commercial Service Airport |
| CMB | Climb |
| CMSND | Commissioned |
| CNL | Cancel |
| CNMPS | Canadian Minimum Navigation Performance Specification Airspace |
| CNS | Consolidated NOTAM System |
| CNSP | Consolidated NOTAM System Processor |
| CO | Central Office |
| COE | US Army Corps of Engineers |
| COM | Communications |
| COMCO | Command Communications Outlet |
| CONC | Concrete |
| CONUS | Continental United States |
| CORP | Private Corporation Other Than ARINC or MITRE |
| CPD | Coupled |
| CPE | Customer Premise Equipment |
| CPMIS | Consolidated Personnel Management Information System |
| CRA | Conflict Resolution Advisory |
| CRDA | Converging Runway Display Aid |
| CRS | Course |
| CSA | Communications Service Authorization |
| CSIS | Centralized Storm Information System |
| CSO | Customer Service Office |
| CSR | Communications Service Request |
| CSS | Central Site System |
| CTA | Controlled Time of Arrival; Control Area |
| CTA/FIR | Control Area/Flight Information Region |
| CTAF | Common Traffic Advisory Frequency |
| CTAS | Center-TRACON Automation System |
| CTC | Contact |
| CTL | Control |
| CTMA | Center Traffic Management Advisor |
| CUPS | Consolidated Uniform Payroll System |
| CVFR | Controlled Visual Flight Rules |
| CVTS | Compressed Video Transmission Service |
| CW | Continuous Wave |
| CWSU | Central Weather Service Unit |
| CWY | Clearway |
| DA | Direct Access; Descent Advisor |
| DABBS | DITCO Automated Bulletin Board System |
| DAIR | Direct Altitude and Identity Readout |
| DALGT | Daylight |
| DAR | Designated Agency Representative |
| DARC | Direct Access Radar Channel |
| dBA | Decibels A-weighted |
| DBCRC | Defense Base Closure and Realignment Commission |
| DBE | Disadvantaged Business Enterprise |
| DBMS | Database Management System |
| DBRITE | Digital Bright Radar Indicator Tower Equipment |
| DCA | Defense Communications Agency |
| DCAA | Dual Call, Automatic Answer Device |
| DCCU | Data Communications Control Unit |
| DCE | Data Communications Equipment |
| DCMSND | Decommissioned |
| DCT | Direct |
| DDA | Dedicated Digital Access |
| DDD | Direct Distance Dialing |
| DDM | Difference in Depth of Modulation |
| DDS | Digital Data Service |
| DEA | Drug Enforcement Agency |
| DEGS | Degrees |
| DEIS | Draft Environmental Impact Statement |
| DEP | Depart/Departure |
| DEPPROC | Departure Procedures |
| DEWIZ | Distance Early Warning Identification Zone |
| DF | Direction Finder |
| DFAX | Digital Facsimile |
| DFI | Direction Finding Indicator |
| DGPS | Differential Global Positioning Satellite (System) |
| DH | Decision Height |
| DID | Direct Inward Dial |
| DIP | Drop and Insert Point |
| DIRF | Direction Finding |
| DISABLD | Disabled |
| DIST | Distance |
| DITCO | Defense Information Technology Contracting Office Agency |
| DLA | Delay or Delayed |
| DLT | Delete |
| DLY | Daily |
| DME/P | Precision Distance Measuring Equipment |
| DMN | Data Multiplexing Network |
| DMSTN | Demonstration |
| DNL | Day-Night Equivalent Sound Level (also called Ldn) |
| DOD | Direct Outward Dial |
| DoD | Department of Defense |
| DOI | Department of Interior |
| DOS | Department of State |
| DOT | Department of Transportation |
| DOTCC | Department of Transportation Computer Center |
| DOTS | Dynamic Ocean Tracking System |
| DP | Dew Point Temperature |
| DRFT | Snowbank(s) Caused by Wind Action |
| DSCS | Digital Satellite Compression Service |
| DSPLCD | Displaced |
| DSUA | Dynamic Special Use Airspace |
| DTS | Dedicated Transmission Service |
| DUAT | Direct User Access Terminal |
| DVFR | Defense Visual Flight Rules; Day Visual Flight Rules |
| DVOR | Doppler Very High Frequency Omni-Directional Range |
| DYSIM | Dynamic Simulator |
| E | East |
| EA | Environmental Assessment |
| EARTS | En Route Automated Radar Tracking System |
| EB | Eastbound |
| ECOM | En Route Communications |
| ECVFP | Expanded Charted Visual Flight Procedures |
| EDCT | Expedite Departure Path |
| EFIS | Electronic Flight Information Systems |
| EIAF | Expanded Inward Access Features |
| EIS | Environmental Impact Statement |
| ELEV | Elevation |
| ELT | Emergency Locator Transmitter |
| ELWRT | Electrowriter |
| EMAS | Engineered Materials Arresting System |
| EMPS | En Route Maintenance Processor System |
| EMS | Environmental Management System |
| E-MSAW | En Route Automated Minimum Safe Altitude Warning |
| ENAV | En Route Navigational Aids |
| ENG | Engine |
| ENRT | En Route |
| ENTR | Entire |
| EOF | Emergency Operating Facility |
| EPA | Environmental Protection Agency |
| EPS | Engineered Performance Standards |
| EPSS | Enhanced Packet Switched Service |
| ERAD | En Route Broadband Radar |
| ESEC | En Route Broadband Secondary Radar |
| ESF | Extended Superframe Format |
| ESP | En Route Spacing Program |
| ESYS | En Route Equipment Systems |
| ETA | Estimated Time of Arrival |
| ETE | Estimated Time En Route |
| ETG | Enhanced Target Generator |
| ETMS | Enhanced Traffic Management System |
| ETN | Electronic Telecommunications Network |
| EVAS | Enhanced Vortex Advisory System |
| EVCS | Emergency Voice Communications System |
| EXC | Except |
| F&E | Facility and Equipment |
| FAA | Federal Aviation Administration |
| FAAAC | FAA Aeronautical Center |
| FAACIS | FAA Communications Information System |
| FAATC | FAA Technical Center |
| FAATSAT | FAA Telecommunications Satellite |
| FAC | Facility/Facilities |
| FAN | MKR Fan Marker |
| FAP | Final Approach Point |
| FAPM | FTS2000 Associate Program Manager |
| FAR | Federal Aviation Regulation |
| FAST | Final Approach Spacing Tool |
| FBO | Fixed Base Operator |
| FBS | Fall Back Switch |
| FCC | Federal Communications Commission |
| FCLT | Freeze Calculated Landing Time |
| FCOM | FSS Radio Voice Communications |
| FCPU | Facility Central Processing Unit |
| FDAT | Flight Data Entry and Printout (FDEP) and Flight Data Service |
| FDC | Flight Data Center |
| FDE | Flight Data Entry |
| FDEP | Flight Data Entry and Printout |
| FDIO | Flight Data Input/Output |
| FDIOR | Flight Data Input/Output Remote |
| FDM | Frequency Division Multiplexing |
| FDP | Flight Data Processing |
| FED | Federal |
| FEIS | Final Environmental Impact Statement |
| FEP | Front End Processor |
| FFAC | From Facility |
| FI/P | Flight Inspection Permanent FIP |
| FI/T | Flight Inspection Temporary FIT |
| FIFO | Flight Inspection Field Office |
| FIG | Flight Inspection Group |
| FINO | Flight Inspection National Field Office |
| FIPS | Federal Information Publication Standard |
| FIR | Flight Information Region |
| FIRE | Fire Station |
| FIRMR | Federal Information Resource Management Regulation |
| FLOWSIM | Traffic Flow Planning Simulation |
| FM | From |
| FMA | Final Monitor Aid |
| FMF | Facility Master File |
| FMIS | FTS2000 Management Information System |
| FNA | Final Approach |
| FNMS | FTS2000 Network Management System |
| FOIA | Freedom Of Information Act |
| FONSI | Finding of No Significant Impact |
| FP | Flight Plan |
| FPM | Feet Per Minute |
| FRC | Request Full Route Clearance |
| FREQ | Frequency |
| FRH | Fly Runway Heading |
| FRI | Friday |
| FRZN | Frozen |
| FSAS | Flight Service Automation System |
| FSDO | Flight Standards District Office |
| FSDPS | Flight Service Data Processing System |
| FSEP | Facility/Service/Equipment Profile |
| FSP | Flight Strip Printer |
| FSPD | Freeze Speed Parameter |
| FSS | Flight Service Station |
| FSSA | Flight Service Station Automated Service |
| FSTS | Federal Secure Telephone Service |
| FSYS | Flight Service Station Equipment Systems |
| FTS | Federal Telecommunications System |
| FT | Feet/Foot |
| FTS2000 | Federal Telecommunications System 2000 |
| FUS | Functional Units or Systems |
| FWCS | Flight Watch Control Station |
| GA | General Aviation |
| GAA | General Aviation Activity |
| GAAA | General Aviation Activity and Avionics |
| GADO | General Aviation District Office |
| GC | Ground Control |
| GCA | Ground Control Approach |
| GIS | Geographic Information System |
| GNAS | General National Airspace System |
| GOES | Geostationary Operational Environmental Satellite |
| GOESF | GOES Feed Point |
| GOEST | GOES Terminal Equipment |
| GOVT | Government |
| GP | Glide Path |
| GPRA | Government Performance Results Act |
| GRADE | Graphical Airspace Design Environment |
| GRVL | Gravel |
| GS | Glide Slope Indicator |
| GSA | General Services Administration |
| GSE | Ground Support Equipment |
| H, NDB | Non-Directional Radio Homing Beacon |
| HARS | High Altitude Route System |
| HAZMAT | Hazardous Materials |
| HCAP | High Capacity Carriers |
| HDG | Heading |
| HDME | NDB with Distance Measuring Equipment |
| HDQ | FAA Headquarters |
| HEL | Helicopter |
| HELI | Heliport |
| HH | NDB, 2kw or more |
| HI-EFAS | High Altitude EFAS |
| HIRL | High Intensity Runway Lights |
| HLDC | High Level Data Link Control |
| HLDG | Holding |
| HOL | Holiday |
| HOV | High Occupancy Vehicle |
| HP | Holding Pattern |
| HR | Hour |
| HUD | Housing and Urban Development |
| HWAS | Hazardous In-Flight Weather Advisory |
| Hz | Hertz |
| I/AFSS | International AFSS IAFSS |
| IA | Indirect Access |
| IAPA | Instrument Approach Procedures Automation |
| IBM | International Business Machines |
| IBP | International Boundary Point |
| IBR | Intermediate Bit Rate |
| ICSS | International Communications Switching Systems |
| ID | Identification |
| IDAT | Interfacility Data |
| IDENT | Identify/Identifier/Identification |
| IF | Intermediate Fix |
| IFCP | Interfacility Communications Processor |
| IFDS | Interfacility Data System |
| IFEA | In-Flight Emergency Assistance |
| IFO | International Field Office |
| IFSS | International Flight Service Station |
| IM | Inner Marker |
| HIN | Inch/Inches |
| INBD | Inbound |
| INDEFLY | Indefinitely |
| INFO | Information |
| INM | Integrated Noise Model |
| INOP | Inoperative |
| INS | Inertial Navigation System |
| INSTR | Instrument |
| INT | Intersection |
| INTL | International |
| INTST | Intensity |
| IR | Ice on Runway(s) |
| IRMP | Information Resources Management Plan |
| ISDN | Integrated Services Digital Network |
| ISMLS | Interim Standard Microwave Landing System |
| ITI | Interactive Terminal Interface |
| IVRS | Interim Voice Response System |
| IW | Inside Wiring |
| Kbps | Kilobits Per Second |
| Khz | Kilohertz |
| KT | Knots |
| KVDT | Keyboard Video Display Terminal |
| L | Left |
| LAA | Local Airport Advisory |
| LAAS | Low Altitude Alert System |
| LABS | Leased A B Service |
| LABSC | LABS GS-200 Computer |
| LABSR | LABS Remote Equipment |
| LABSW | LABS Switch System |
| LAHSO | Land and Hold Short Operation |
| LAN | Local Area Network |
| LAT | Latitude |
| LATA | Local Access and Transport Area |
| LAWRS | Limited Aviation Weather Reporting Station |
| LB | Pound/Pounds |
| LC | Local Control |
| LCF | Local Control Facility |
| LCN | Local Communications Network |
| LCTD | Located |
| LDG | Landing |
| LDIN | Lead-In Lights |
| LEC | Local Exchange Carrier |
| KLF | Low Frequency |
| LGT | Light or Lighting |
| LGTD | Lighted |
| LINCS | Leased Interfacility NAS C |
| LIRL | Low Intensity Runway Lights |
| LIS | Logistics and Inventory System |
| LLWAS | Low Level Wind Shear Alert System |
| LLZ | Localizer |
| LM | Compass Locator at ILS Middle Marker |
| LO | Compass Locator at ILS Outer Marker |
| LOCID | Location Identifier |
| LOI | Letter of Intent |
| LOM | Compass Locator at Outer Marker |
| LONG | Longitude |
| LPV | Lateral Precision Performance with Vertical Guidance |
| LRCO | Limited Remote Communications Outlet |
| LRNAV | Long Range Navigation |
| LRR | Long Range Radar |
| LSR | Loose Snow on Runway(s) |
| LLT | Left Turn |
| MAG | Magnetic |
| MAINT | Maintain, Maintenance |
| MALS | Medium Intensity Approach Light System |
| MALSF | Medium Intensity Approach Light System with Sequenced Flashers |
| MALSR | Medium Intensity Approach Light System with Runway Alignment Indicator Lights |
| MAP | Maintenance Automation Program; Military Airport Program; Modified Access Pricing |
| MAPT | Missed Approach Point |
| Mbps | Megabits Per Second |
| MCAS | Marine Corps Air Station |
| MCC | Maintenance Control Center |
| MCL | Middle Compass Locater |
| MCS | Maintenance and Control System |
| MDT | Maintenance Data Terminal |
| MED | Medium |
| METI | Meteorological Information |
| MF | Middle Frequency |
| MFJ | Modified Final Judgment |
| MFT | Meter Fix Crossing Time/Slot Time |
| MHA | Minimum Holding Altitude |
| Mhg | Meghertz |
| MIA | Minimum IFR Altitudes |
| MIDO | Manufacturing Inspection District Office |
| MIN | Minute |
| MIRL | Medium Intensity Runway Lights |
| MIS | Meteorological Impact Statement |
| MISC | Miscellaneous |
| MISO | Manufacturing Inspection Satellite Office |
| MIT | Miles in Trail |
| MITRE | Mitre Corporation |
| MMAC | Mike Monroney Aeronautical Center |
| MMC | Maintenance Monitoring Console |
| MMS | Maintenance Monitoring System |
| MNM | Minimum |
| MNPS | Minimum Navigation Performance Specification |
| MNPSA | Minimum Navigation Performance Specifications Airspace |
| MNT | Monitor; Monitoring; Monitored |
| MOA | Memorandum of Agreement |
| MOC | Minimum Obstruction Clearance |
| MODE C | Altitude-Encoded Beacon Reply; Altitude Reporting Mode of Secondary Radar |
| MODE S | Mode Select Beacon System |
| MON | Monday |
| MOU | Memorandum of Understanding |
| MPO | Metropolitan Planning Organization |
| MPS | Maintenance Processor Subsystem or Master Plan Supplement |
| MRC | Monthly Recurring Charge |
| MSA | Minimum Sector Altitude |
| MSAW | Minimum Safe Altitude Warning |
| MSG | Message |
| MSL | Mean Sea Level |
| MSN | Message Switching Network |
| MTCS | Modular Terminal Communications System |
| MTI | Moving Target Indicator |
| MU | Mu Meters |
| MUD | Mud |
| MUNI | Municipal |
| MUX | Multiplexor |
| MVFR | Marginal Visual Flight Rules |
| N | North |
| NA | Not Authorized |
| NAAQS | National Ambient Air Quality Standards |
| NADA | ADIN Concentrator |
| NADIN | National Airspace Data Interchange Network |
| NADSW | NADIN Switches |
| NAILS | National Airspace Integrated Logistics Support |
| NAMS | NADIN IA |
| NAPRS | National Airspace Performance Reporting System |
| NAS | Naval Air Station |
| NASDC | National Aviation Safety Data |
| NASP | National Airspace System Plan |
| NASPAC | National Airspace System Performance Analysis Capability |
| NATCO | National Communications Switching Center |
| NAV | Navigation |
| NAVMN | Navigation Monitor and Control |
| NAWAU | National Aviation Weather Advisory Unit |
| NAWPF | National Aviation Weather Processing Facility |
| NB | Northbound |
| NCAR | National Center for Atmospheric Research, Boulder, CO |
| NCF | National Control Facility |
| NCIU | NEXRAD Communications Interface Unit |
| NCP | Noise Compatibility Program |
| NCS | National Communications System |
| NDB | Non-Directional Radio Beacon |
| NDNB | NADIN II |
| NE | Northeast |
| NEM | Noise Exposure Map |
| NEPA | National Environmental Policy Act |
| NEXRAD | Next Generation Weather Radar |
| NFAX | National Facsimile Service |
| NFDC | National Flight Data Center |
| NFIS | NAS Facilities Information System |
| NGT | Night |
| NI | Network Interface |
| NICS | National Interfacility Communications System |
| NMAC | Near Mid-Air Collision |
| NMC | National Meteorological Center |
| NMCE | Network Monitoring and Control Equipment |
| NMCS | Network Monitoring and Control System |
| NMR | Nautical Mile Radius |
| NOC | Notice of Completion |
| NONSTD | Nonstandard |
| NOPT | No Procedure Turn Required |
| NPDES | National Pollutant Discharge Elimination System |
| NPE | Non-Primary Airport Entitlement |
| NPIAS | National Plan of Integrated Airport Systems |
| NR | Number |
| NRC | Non-Recurring Charge |
| NRCS | National Radio Communications Systems |
| NSAP | National Service Assurance Plan |
| NSRCATN | National Strategy to Reduce Congestion on America’s Transportation Network |
| NSSFC | National Severe Storms Forecast Center |
| NSSL | National Severe Storms Laboratory, Norman, OK |
| NSWRH | NWS Regional Headquarters |
| NTAP | Notices To Airmen Publication |
| NTP | National Transportation Policy |
| NTSB | National Transportation Safety Board |
| NTZ | No Transgression Zone |
| NW | Northwest |
| NWSR | NWS Weather Excluding NXRD |
| NXRD | Advanced Weather Radar System |
| OAG | Official Airline Guide |
| OALT | Operational Acceptable Level of Traffic |
| OAW | Off-Airway Weather Station |
| OBSC | Obscured |
| OBST | Obstruction |
| ODAL | Omnidirectional Approach Lighting System |
| ODAPS | Oceanic Display and Processing Station |
| OEP | Operational Evolution Plan/Partnership |
| OFA | Object Free Area |
| OFDPS | Offshore Flight Data Processing System |
| OFT | Outer Fix Time |
| OFZ | Obstacle Free Zone |
| OMB | Office Of Management and Budget |
| ONER | Oceanic Navigational Error Report |
| OPLT | Operational Acceptable Level of Traffic |
| OPR | Operate |
| OPS | Operation |
| OPSW | Operational Switch |
| OPX | Off Premises Exchange |
| ORD | Operational Readiness Demonstration |
| ORIG | Original |
| OTR | Oceanic Transition Route |
| OTS | Out of Service; Organized Track System |
| OVR | Over |
| PABX | Private Automated Branch Exchange |
| PAD | Packet Assembler/Disassembler |
| PAEW | Personnel and Equipment Working |
| PAM | Peripheral Adapter Module |
| PAR | Preferential Arrival Route |
| PARL | Parallel |
| PAT | Pattern |
| PATWAS | Pilots Automatic Telephone Weather Answering Service |
| PAX | Passenger |
| PBCT | Proposed Boundary Crossing Time |
| PBRF | Pilot Briefing |
| PBX | Private Branch Exchange |
| PCA | Positive Control Airspace |
| PCL | Pilot Controlled Lighting |
| PCM | Pulse Code Modulation |
| PD | Pilot Deviation |
| PDAR | Preferential Arrival and Departure Route |
| PDC | Pre-Departure Clearance; Program Designator Code |
| PDR | Preferential Departure Route |
| PERM | Permanent/Permanently |
| PFC | Passenger Facility Charge |
| PGP | Planning Grant Program |
| PIC | Principal Interexchange Carrier |
| PIDP | Programmable Indicator Data Processor |
| PIREP | Pilot Weather Report |
| PJE | Parachute Jumping Exercise |
| PLA | Practice Low Approach |
| PLW | Plow/Plowed |
| PMS | Program Management System |
| PNR | Prior Notice Required |
| POLIC | Police Station |
| POP | Point of Presence |
| POT | Point of Termination |
| PPIMS | Personal Property Information Management System |
| PPR | Prior Permission Required |
| PR | Primary Commercial Service Airport |
| PREV | Previous |
| PRI | Primary Rate Interface |
| PRN | Pseudo Random Noise |
| PROC | Procedure |
| PROP | Propeller |
| PSDN | Public Switched Data Network |
| PSN | Packet Switched Network |
| PSR | Packed Snow on Runway(s) |
| PSS | Packet Switched Service |
| PSTN | Public Switched Telephone Network |
| PTC | Presumed-To-Conform |
| PTCHY | Patchy |
| PTN | Procedure Turn |
| PUB | Publication |
| PUP | Principal User Processor |
| PVC | Permanent Virtual Circuit |
| PVD | Plan View Display |
| PVT | Private |
| RAIL | Runway Alignment Indicator Lights |
| RAMOS | Remote Automatic Meteorological Observing System |
| RAPCO | Radar Approach Control (USAF) |
| RAPCON | Radar Approach Control (FAA) |
| RATCC | Radar Air Traffic Control Center |
| RATCF | Radar Air Traffic Control Facility (USN) |
| RBC | Rotating Beam Ceilometer |
| RBDPE | Radar Beacon Data Processing Equipment |
| RBSS | Radar Bomb Scoring Squadron |
| RCAG | Remote Communications Air/Ground Facility |
| RCC | Rescue Coordination Center |
| RCCC | Regional Communications Control Centers |
| RCF | Remote Communication Facility |
| RCIU | Remote Control Interface Unit |
| RCL | Runway Centerline; Radio Communications Link |
| RCLL | Runway Centerline Light System |
| RCLR | RCL Repeater |
| RCLT | RCL Terminal |
| RCU | Remote Control Unit |
| RDAT | Digitized Radar Data |
| RDP | Radar Data Processing |
| RDSIM | Runway Delay Simulation Model |
| REC | Receive/Receiver |
| RELCTD | Relocated |
| REP | Report |
| RL | General Aviation Reliever Airport |
| RLLS | Runway Lead-In Lights System |
| RMCC | Remote Monitor Control Center |
| RMCF | Remote Monitor Control Facility |
| RML | Radio Microwave Link |
| RMLR | RML Repeater |
| RMLT | RML Terminal |
| RMM | Remote Maintenance Monitoring |
| RMMS | Remote Maintenance Monitoring System |
| RMNDR | Remainder |
| RMS | Remote Monitoring Subsystem |
| RMS | Remote Monitoring Subsystem |
| ROD | Record of Decision |
| ROSA | Report of Service Activity |
| ROT | Runway Occupancy Time |
| RP | Restoration Priority |
| RPC | Restoration Priority Code |
| RPG | Radar Processing Group |
| RPLC | Replace |
| RPZ | Runway Protection Zone |
| RQRD | Required |
| RRH | Remote Reading Hygrothermometer |
| RRHS | Remote Reading Hydrometer |
| RRL | Runway Remaining Lights |
| RRWDS | Remote Radar Weather Display |
| RRWSS | RWDS Sensor Site |
| RSA | Runway Safety Area |
| RSAT | Runway Safety Action Team |
| RSR | En Route Surveillance Radar |
| RSS | Remote Speaking System |
| RSVN | Reservation |
| RT | Right Turn; Remote Transmitter |
| RT & BTL | Radar Tracking and Beacon Tracking Level |
| RTAD | Remote Tower Alphanumerics Display |
| RTCA | Radio Technical Commission for Aeronautics |
| RTE | Route |
| RTP | Regional Transportation Plan |
| RTR | Remote Transmitter/Receiver |
| RTRD | Remote Tower Radar Display |
| RTO | Return to Service |
| RUF | Rough |
| RVRM | Runway Visual Range Midpoint |
| RVRR | Runway Visual Range Rollout |
| RVRT | Runway Visual Range Touchdown |
| RW | Runway |
| RWDS | Same as RRWDS |
| RWP | Real-Time Weather Processor |
| RWY | Runway |
| S | South |
| S/S SS | Sector Suite |
| SA | Sand, Sanded |
| SAC | Strategic Air Command |
| SAFI | Semi-Automatic Flight Inspection |
| SALS | Short Approach Lighting System |
| SAT | Saturday |
| SATCOM | Satellite Communications |
| SAWR | Supplementary Aviation Weather Reporting Station |
| SAWRS | Supplementary Aviation Weather Reporting System |
| SB | Southbound |
| SBGP | State Block Grant Program |
| SCC | System Command Center |
| SCVTS | Switched Compressed Video Telecommunications Service |
| SDF | Simplified Direction Finding; Software Defined Network |
| SDIS | Switched Digital Integrated Service |
| SDP | Service Delivery Point |
| SD-ROB | Radar Weather Report |
| SDS | Switched Data Service |
| SE | Southeast |
| SEL | Single Event Level |
| SELF | Simplified Short Approach Lighting System with Sequenced Flashing Lights |
| SFAR-38 | Special Federal Aviation Regulation 38 |
| SFL | Sequence Flashing Lights |
| SHPO | State Historic Preservation Officer |
| SIC | Service Initiation Charge |
| SID | Standard Instrument Departure; Station Identifier |
| SIMMOD | Airport and Airspace Simulation Model |
| SIMUL | Simultaneous |
| SIP | State Implementation Plan |
| SIR | Packed or Compacted Snow and Ice on Runway(s) |
| SKED | Scheduled |
| SLR | Slush on Runway(s) |
| SM | Statute Miles |
| SMGC | Surface Movement Guidance and Control |
| SMPS | Sector Maintenance Processor Subsystem |
| SMS | Safety Management System; Simulation Modeling System |
| SN | Snow |
| SNBNK | Snowbank(s) Caused by Plowing |
| SNGL | Single |
| SNR | Signal-To-Noise Ratio, Also: S/N |
| SOAR | System of Airports Reporting |
| SOC | Service Oversight Center |
| SOIR | Simultaneous Operations on Intersecting Runways |
| SOIWR | Simultaneous Operations on Intersecting Wet Runways |
| SPD | Speed |
| SRAP | Sensor Receiver and Processor |
| SSALF | Simplified Short Approach Lighting System with Sequenced Flashers |
| SSALR | Simplified Short Approach Lighting System with Runway Alignment Indicator Lights |
| SSALS | Simplified Short Approach Lighting System |
| SSB | Single Side Band |
| SSR | Secondary Surveillance Radar |
| STA | Straight-In Approach |
| STD | Standard |
| STMUX | Statistical Data Multiplexer |
| STOL | Short Takeoff and Landing |
| SUN | Sunday |
| SURPIC | Surface Picture |
| SVC | Service |
| SVCA | Service A |
| SVCB | Service B |
| SVCC | Service C |
| SVCO | Service O |
| SVFB | Interphone Service F (B) |
| SVFC | Interphone Service F (C) |
| SVFD | Interphone Service F (D) |
| SVFO | Interphone Service F (A) |
| SVFR | Special Visual Flight Rules |
| SW | Southwest |
| SWEPT | Swept or Broom/Broomed |
| T | Temperature |
| T1MUX | T1 Multiplexer |
| TAAS | Terminal Advance Automation System |
| TACAN | Tactical Air Navigation |
| TACR | TACAN at VOR, TACAN Only |
| TAF | Terminal Area Forecast |
| TAR | Terminal Area Surveillance Radar |
| TARS | Terminal Automated Radar Service |
| TAS | True Air Speed |
| TATCA | Terminal Air Traffic Control Automation |
| TAVT | Terminal Airspace Visualization Tool |
| TCA | Traffic Control Airport or Tower Control Airport; Terminal Control Area |
| TCACCIS | Transportation Coordinator Automated Command And Control Information System |
| TCAS | Traffic Alert and Collision Avoidance System |
| TCC | DOT Transportation Computer Center |
| TCCC | Tower Control Computer Complex |
| TCE | Tone Control Equipment |
| TCLT | Tentative Calculated Landing Time |
| TCO | Telecommunications Certification Officer |
| TCOM | Terminal Communications |
| TCS | Tower Communications System |
| TDLS | Tower Data-Link Services |
| TDMUX | Time Division Data Multiplexer |
| TDWR | Terminal Doppler Weather Radar |
| TDZ | Touchdown Zone |
| TDZ LG | Touchdown Zone Lights |
| TELCO | Telephone Company |
| TELMS | Telecommunications Management System |
| TEMPO | Temporary |
| TERPS | Terminal Instrument Procedures |
| TFAC | To Facility |
| TFC | Traffic |
| TGL | Touch-And-Go Landings |
| TH | Threshold |
| THN | Thin |
| THR | Threshold |
| THRU | Through |
| THU | Thursday |
| TIL | Until |
| TIMS | Telecommunications Information Management System |
| TIPS | Terminal Information Processing System |
| TKOF | Takeoff |
| TL | Taxilane |
| TM | Traffic Management |
| TM&O | Telecommunications Management and Operations |
| TMA | Traffic Management Advisor |
| TMC | Traffic Management Coordinator |
| TMC/MC | Traffic Management Coordinator/Military Coordinator |
| TMCC | Terminal Information Processing System; Traffic Management Computer Complex |
| TMF | Traffic Management Facility |
| TML | Television Microwave Link |
| TMLI | Television Microwave Link Indicator |
| TMLR | Television Microwave Link Repeater |
| TMLT | Television Microwave Link Terminal |
| TMP | Traffic Management Processor |
| TMPA | Traffic Management Program Alert |
| TMS | Traffic Management System |
| TMSPS | Traffic Management Specialists |
| TMU | Traffic Management Unit |
| TNAV | Terminal Navigational Aids |
| TODA | Takeoff Distance Available |
| TOF | Time of Flight |
| TOFMS | Time of Flight Mass Spectrometer |
| TOPS | Telecommunications Ordering And Pricing System (GSA software tool) |
| TORA | Take-Off Run Available |
| TO | Telecommunications Request |
| TRACAB | Terminal Radar Approach Control in Tower Cab |
| TRACON | Terminal Radar Approach Control Facility |
| TRAD | Terminal Radar Service |
| TRB | Transportation Research Board |
| TRML | Terminal |
| TRNG | Training |
| TRSN | Transition |
| TSA | Taxiway Safety Area; Transportation Security Administration |
| TSEC | Terminal Secondary Radar Service |
| TSNT | Transient |
| TSP | Telecommunications Service Priority |
| TSR | Telecommunications Service Request |
| TSYS | Terminal Equipment Systems |
| TTMA | TRACON Traffic Management Advisor |
| TTY | Teletype |
| TUE | Tuesday |
| TVOR | Terminal VHF Omnidirectional Range |
| TW | Taxiway |
| TWR | Tower |
| TWY | Taxiway |
| TY | Type (FAACIS) |
| UAS | Unmanned Aircraft Systems |
| UFN | Until Further Notice |
| UNAVBL | Unavailable |
| UNLGTD | Unlighted |
| UNMKD | Unmarked |
| UNMNT | Unmonitored |
| UNREL | Unreliable |
| URA | Uniform Relocation Assistance and Real Property Acquisition Policies Act of 1970 |
| USAF | United States Air Force |
| USC | United States Code |
| USOC | Uniform Service Order Code |
| V/PD | Vehicle/Pedestrian Deviation (VPD) |
| VALE | Voluntary Airport Low Emission |
| VDME | VOR with Distance Measuring Equipment |
| VF | Voice Frequency |
| VGSI | Visual Glide Slope Indicator |
| VIA | By Way Of |
| VICE | Instead/Versus |
| VIS | Visibility |
| VLF | Very Low Frequency |
| VNAV | Visual Navigational Aids |
| VNTSC | Volpe National Transportation System Center |
| VOL | Volume |
| VON | Virtual On-Net |
| VOR/DME | VHF Omnidirectional Range/Distance Measuring Equipment |
| VP/D | Vehicle/Pedestrian Deviation |
| VRS | Voice Recording System |
| VSCS | Voice Switching and Control System |
| VTA | Vertex Time of Arrival |
| VTAC | VOR and TACAN (Collocated) |
| VTOL | Vertical Takeoff and Landing |
| VTS | Voice Telecommunications System |
| W | West |
| WAN | Wide Area Network |
| WB | Westbound |
| WC | Work Center |
| WCP | Weather Communications Processor |
| WECO | Western Electric Company |
| WED | Wednesday |
| WEF | With Effect From; Effective From |
| WESCOM | Western Electric Satellite Communications |
| WI | Within |
| WIE | With Immediate Effect, or Effective Immediately |
| WKDAYS | Monday through Friday |
| WKEND | Saturday and Sunday |
| WMSC | Weather Message Switching Center |
| WMSCR | Weather Message Switching Center Replacement |
| WND | Wind |
| WPT | Waypoint |
| WSCMO | Weather Service Contract Meteorological Observatory |
| WSFO | Weather Service Forecast Office |
| WSMO | Weather Service Meteorological Observatory |
| WSO | Weather Service Office |
| WSR | Wet Snow on Runway(s) |
| WTHR | Weather |
| WTR | Water on Runway(s) |
| WX | Weather |