Glossary of Airport Acronyms
Printer Friendly Email Page Glossary of Airport Acronyms--------------------------------------------------------------------------------
A | B | C | D | E | F | G | H | I | J | K | L | M
N | O | P | Q | R | S | T | U | V | W | X | Y | Z
A top
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A/C -- Aircraft
A/G -- Air to Ground
A/H -- Altitude/Height
AAC -- Mike Monroney Aeronautical Center
AAF -- Army Air Field
AAI -- Arrival Aircraft Interval
AAP -- Advanced Automation Program
AAR -- Airport Acceptance Rate
ABDIS -- Automated Data Interchange System Service B
ACAIS -- Air Carrier Activity Information System
ACAS -- Aircraft Collision Avoidance System
ACC -- Airports Consultants Council
ACC -- Area Control Center
ACCT -- Accounting Records
ACD -- Automatic Call Distributor
ACDO -- Air Carrier District Office
ACF -- Area Control Facility
ACFO -- Aircraft Certification Field Office
ACFT -- Aircraft
ACI-NA -- Airports Council International - North America
ACID -- Aircraft Identification
ACIP -- Airport Capital Improvement Plan
ACLS -- Automatic Carrier Landing System
ACLT -- Actual Landing Time Calculated
ACO -- Office of Airports Compliance and Field Operations
ACO -- Aircraft Certification Office
ACRP -- Airport Cooperative Research Program
ADA -- Air Defense Area
ADAP -- Airport Development Aid Program
ADAS -- AWOS Data Acquisition System
ADCCP -- Advanced Data Communications Control Procedure
ADDA -- Administrative Data
ADF -- Automatic Direction Finding
ADI -- Automatic De-Ice and Inhibitor
ADIN -- AUTODIN Service
ADIZ -- Air Defense Identification Zone
ADL -- Aeronautical Data-Link
ADLY -- Arrival Delay
ADO -- Airline Dispatch Office
ADP -- Automated Data Processing
ADS -- Automatic Dependent Surveillance
ADSIM -- Airfield Delay Simulation Model
ADSY -- Administrative Equipment Systems
ADTN -- Administrative Data Transmission Network
ADTN2000 -- Administrative Data Transmission Network 2000
ADVO -- Administrative Voice
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
AFS -- Airways Facilities Sector
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
AGL -- Above Ground Level
AID -- Airport Information Desk
AIG -- Airbus Industries Group
AIM -- Airman's Information Manual
AIP -- Airport Improvement Plan
AIRMET -- Airmen's Meteorological Information
AIRNET -- Airport Network Simulation Model
AIS -- Aeronautical Information Service
AIT -- Automated Information Transfer
ALP -- Airport Layout Plan
ALS -- Approach Lighting System
ALSF1 -- ALS with Sequenced Flashers I
ALSF2 -- ALS with Sequenced Flashers II
ALSIP -- Approach Lighting System Improvement Plan
ALTRV -- Altitude Reservation
AMASS -- Airport Movement Area Safety System
AMCC -- ACF/ARTCC Maintenance Control Center
AMOS -- Automated Meteorological Observation Station
AMP -- ARINC Message Processor (OR) 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 -- Acquisition Plan
APP -- Approach
APS -- Airport Planning Standard
AQAFO -- Aeronautical Quality Assurance Field Office
ARAC -- Army Radar Approach Control (AAF)
ARAC -- 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
ARSA -- Airport Service Radar Area
ARSR -- Air Route Surveillance Radar
ARTCC -- Air Route Traffic Control Center
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
ASOS -- Automatic Surface Observation System
ASQP -- Airline Service Quality Performance
ASR -- Airport Surveillance Radar
ASTA -- Airport Surface Traffic Automation
ASV -- Airline Schedule Vendor
AT -- Air Traffic
ATA -- Air Transport Association of America
ATAS -- Airspace and Traffic Advisory Service
ATCAA -- Air Traffic Control Assigned Airspace
AT&T -- American Telephone and Telegraph
AT&T ASDC -- AT&T Agency Service Delivery Center
AT&T CSA -- AT&T Customer Support Associate
ATC -- Air Traffic Control
ATCBI -- Air Traffic Control Beacon Indicator
ATCCC -- Air Traffic Control Command Center
ATCO -- Air Taxi Commercial Operator
ATCRB -- Air Traffic Control Radar Beacon
ATCRBS -- Air Traffic Control Radar Beacon System
ATCSCC -- Air Traffic Control Systems Command Center
ATCT -- Airport Traffic Control Tower
ATIS -- Automated Terminal Information Service
ATISR -- ATIS Recorder
ATM -- Air Traffic Management
ATM -- Asynchronous Transfer Mode
ATMS -- Advanced Traffic Management System
ATN -- Aeronautical Telecommunications Network
ATODN -- AUTODIN Terminal (FUS)
ATOVN -- AUOTVON (Facility)
ATOMS -- Air Traffic Operations Management System
ATS -- Air Traffic Service
ATSCCP -- ATS Contingency Command Post
ATTIS -- AT&T Information Systems
AUTODIN -- DoD Automatic Digital Network
AUTOVON -- DoD Automatic Voice Network
AVON -- AUTOVON Service
AVN -- Aviation Standards National Field Office, Oklahoma City
AWIS -- Airport Weather Information
AWOS -- Automated Weather Observation System
AWP -- Aviation Weather Processor
AWPG -- Aviation Weather Products Generator
AWS -- Air Weather Station
B top
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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
BCR -- Benefit/Cost Ratio
BDAT -- Digitized Beacon Data
BMP -- Best Management Practices
BOC -- Bell Operating Company
bps -- bits per second
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
C top
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CAA -- Civil Aviation Authority
CAA -- Clean Air Act
CAB -- Civil Aeronautics Board
CARF -- Central Altitude Reservation Facility
CASFO -- Civil Aviation Security Office
CAT -- Category
CAT -- Clear -- Air Turbulence
CAU -- Crypto Ancillary Unit
CBI -- Computer Based Instruction
CCC -- Communications Command Center
CCCC -- Staff Communications
CCCH -- Central Computer Complex Host
CC&O -- Customer Cost and Obligation
CCSD -- Command Communications Service Designator
CCS7-- NI -- Communication Channel Signal-7 -- Network Interconnect
CCU -- Central Control Unit
CD -- Common Digitizer
CDR -- Cost Detail Report
CDT -- Controlled Departure Time
CDTI -- Cockpit Display of Traffic Information
CENTX -- Central Telephone Exchange
CEP -- Capacity Enhancement Program
CEQ -- Council on Environmental Quality
CERAP -- Central Radar Approach
CFC -- Central Flow Control
CFCF -- Central Flow Control Facility
CFCS -- Central Flow Control Service
CFR -- Code of Federal Regulations
CFWP -- Central Flow Weather Processor
CFWU -- Central Flow Weather Unit
CGAS -- Coast Guard Air Station
CLC -- Course Line Computer
CLIN -- Contract Line Item
CLT -- Calculated Landing Time
CM -- Commercial Service Airport
CNMPS -- Canadian Minimum Navigation Performance Specification Airspace
CNS -- Consolidated NOTAM System
CNSP -- Consolidated NOTAM System Processor
CO -- Central Office
COE -- U.S. Army Corps of Engineers
COMCO -- Command Communications Outlet
CONUS -- Continental United States
CORP -- Private Corporation other than ARINC or MITRE
CPE -- Customer Premise Equipment
CPMIS -- Consolidated Personnel Management Information System
CRA -- Conflict Resolution Advisory
CRDA -- Converging Runway Display Aid
CRT -- Cathode Ray Tube
CSA -- Communications Service Authorization
CSIS -- Centralized Storm Information System
CSO -- Customer Service Office
CSR -- Communications Service Request
CSS -- Central Site System
C/S/S/N -- Capacity/Safety/Security/Noise
CTA -- Controlled Time of Arrival
CTA -- Control Area
CTA/FIR -- Control Area/Flight Information Region
CTAF -- Common Traffic Advisory Frequency
CTAS -- Center -- Tracon Automation System
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
D top
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DA -- Direct Access
DA -- Decision Altitude/Decision Height
DA -- Descent Advisor
DABBS -- DITCO Automated Bulletin Board System
DAIR -- Direct Altitude and Identity Readout
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 -- Data Base 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
DDA -- Dedicated Digital Access
DDD -- Direct Distance Dialing
DDM -- Difference in Depth of Modulation
DDS -- Digital Data Service
DEA -- Drug Enforcement Agency
DEDS -- Data Entry and Display System
DEIS -- Draft Environmental Impact Statement
DEP -- Departure
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
DITCO -- Defense Information Technology Contracting Office Agency
DME -- Distance Measuring Equipment
DME/P -- Precision Distance Measuring Equipment
DMN -- Data Multiplexing Network
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
DOTS -- Dynamic Ocean Tracking System
DOTCC -- Department of Transportation Computer Center
DSCS -- Digital Satellite Compression Service
DSUA -- Dynamic Special Use Airspace
DTS -- Dedicated Transmission Service
DUAT -- Direct User Access Terminal
DVFR -- Defense Visual Flight Rules
DVFR -- Day Visual Flight Rules
DVOR -- Doppler Very High Frequency Omni-- Directional Range
DYSIM -- Dynamic Simulator
E top
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E-MSAW -- En-Route Automated Minimum Safe Altitude Warning
EA -- Environmental Assessment
EARTS -- En Route Automated Radar Tracking System
ECOM -- En Route Communications
ECVFP -- Expanded Charted Visual Flight Procedures
EDCT -- Expedite Departure Path
EFAS -- En Route Flight Advisory Service
EFC -- Expect Further Clearance
EFIS -- Electronic Flight Information Systems
EIAF -- Expanded Inward Access Features
EIS -- Environmental Impact Statement
ELT -- Emergency Locator Transmitter
ELWRT -- Electrowriter
EMAS -- Engineered Materials Arresting System
EMPS -- En Route Maintenance Processor System
EMS -- Environmental Management System
ENAV -- En Route Navigational Aids
EPA -- Environmental Protection Agency
EPS -- Engineered Performance Standards
EOF -- Emergency Operating Facility
EPSS -- Enhanced Packet Switched Service
ERAD -- En Route Broadband Radar
ESEC -- En Route Broadband Secondary Radar
ESP -- En Route Spacing Program
ESYS -- En Route Equipment Systems
ESF -- Extended Superframe Format
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
F top
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FAA -- Federal Aviation Administration
F&E -- Facility and Equipment
FAAAC -- FAA Aeronautical Center
FAACIS -- FAA Communications Information System
FAATC -- FAA Technical Center
FAC -- Facility
FAF -- Final Approach Fix
FAP -- Final Approach Point
FAPM -- FTS2000 Associate Program Manager
FAR -- Federal Aviation Regulation
FAATSAT -- FAA Telecommunications Satellite
FAST -- Final Approach Spacing Tool
FAX -- Facsimile Equipment
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
FDE -- Flight Data Entry
FDEP -- Flight Data Entry and Printout
FDIO -- Flight Data Input/Output
FDIOC -- Flight Data Input/Output Center
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
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
FL -- Flight Level
FLOWSIM -- Traffic Flow Planning Simulation
FMA -- Final Monitor Aid
FMF -- Facility Master File
FMIS -- FTS2000 Management Information System
FMS -- Flight management System
FNMS -- FTS2000 Network Management System
FOIA -- Freedom Of Information Act
FONSI -- Finding of No Significant Impact
FP -- Flight Plan
FRC -- Request Full Route Clearance
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
FTS2000 -- Federal Telecommunications System 2000
FUS -- Functional Units or Systems
FWCS -- Flight Watch Control Station
G top
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GA -- General Aviation
GAA -- General Aviation Activity
GAAA -- General Aviation Activity and Avionics
GADO -- General Aviation District Office
GCA -- Ground Control Approach
GNAS -- General National Airspace System
GNSS -- Global Navigation Satellite System
GOES -- Geostationary Operational Environmental Satellite
GOESF -- GOES Feed Point
GOEST -- GOES Terminal Equipment
GPRA -- Government Performance Results Act
GPS -- Global Positioning Satellite
GPWS -- Ground Proximity Warning System
GRADE -- Graphical Airspace Design Environment
GS -- Glide Slope Indicator
GSA -- General Services Administration
GSE -- Ground Support Equipment
H top
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H -- Non-- Directional Radio Homing Beacon (NDB)
HAA -- Height Above Airport
HAL -- Height Above Landing
HARS -- High Altitude Route System
HAT -- Height Above Touchdown
HAZMAT -- Hazardous Materials
HCAP -- High Capacity Carriers
HLDC -- High Level Data Link Control
HDME -- NDB with Distance Measuring Equipment
HDQ -- FAA Headquarters
HELI -- Heliport
HF -- High Frequency
HH -- NDB, 2kw or More
HI-- EFAS -- High Altitude EFAS
HOV -- High Occupancy Vehicle
HSI -- Horizontal Situation Indicators
HUD -- Housing and Urban Development
HWAS -- Hazardous In-- Flight Weather Advisory
Hz -- HERTZ
I top
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IA -- Indirect Access
IAF -- Initial Approach Fix
I/AFSS -- International AFSS
IAP -- Instrument Approach Procedures
IAPA -- Instrument Approach Procedures Automation
IBM -- International Business Machines
IBP -- International Boundary Point
IBR -- Intermediate Bit Rate
ICAO -- International Civil Aviation Organization
ICSS -- International Communications Switching Systems
IDAT -- Interfacility Data
IF -- Intermediate Fix
IFCP -- Interfacility Communications Processor
IFDS -- Interfacility Data System
IFEA -- In-- Flight Emergency Assistance
IFO -- International Field Office
IFR -- Instrument Flight Rules
IFSS -- International Flight Service Station
ILS -- Instrument Landing System
IM -- Inner Marker
IMC -- Instrument Meteorological Conditions
INM -- Integrated Noise Model
INS -- Inertial Navigation System
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
J top
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K top
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Kbps -- Kilobits Per Second
Khz -- Kilohertz
KVDT -- Keyboard Video Display Terminal
L top
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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
LATA -- Local Access and Transport Area
LAWRS -- Limited Aviation Weather Reporting System
LCF -- Local Control Facility
LCN -- Local Communications Network
LDA -- Localizer Directional Aid
LDA -- Landing Directional Aid
LDIN -- Lead-- in Lights
LEC -- Local Exchange Carrier
LF -- Low Frequency
LINCS -- Leased Interfacility NAS Communications System
LIS -- Logistics and Inventory System
LLWAS -- Low Level Wind Shear Alert System
LM/MS -- Low/Medium Frequency
LMM -- Locator Middle Marker
LMS -- LORAN Monitor Site
LOC -- Localizer
LOCID -- Location Identifier
LOI -- Letter of Intent
LOM -- Compass Locator at Outer Marker
LORAN -- Long Range Aid to Navigation
LPV -- Lateral Precision Performance with Vertical Guidance
LRCO -- Limited Remote Communications Outlet
LRNAV -- Long Range Navigation
LRR -- Long Range Radar
M top
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MAA -- Maximum Authorized Altitude
MALS -- Medium Intensity Approach Lighting System
MALSF -- MALS with Sequenced Flashers
MALSR -- MALS with Runway Alignment Indicator Lights
MAP -- Maintenance Automation Program
MAP -- Military Airport Program
MAP -- Missed Approach Point
MAP -- Modified Access Pricing
Mbps -- Megabits Per Second
MCA -- Minimum Crossing Altitude
MCAS -- Marine Corps Air Station
MCC -- Maintenance Control Center
MCL -- Middle Compass Locater
MCS -- Maintenance and Control System
MDA -- Minimum Descent Altitude
MDT -- Maintenance Data Terminal
MEA -- Minimum En Route Altitude
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
MIS -- Meteorological Impact Statement
MISC -- Miscellaneous
MISO -- Manufacturing Inspection Satellite Office
MIT -- Miles In Trail
MITRE -- Mitre Corporation
MLS -- Microwave Landing System
MM -- Middle Marker
MMC -- Maintenance Monitoring Console
MMS -- Maintenance Monitoring System
MNPS -- Minimum Navigation Performance Specification
MNPSA -- Minimum Navigation Performance Specifications Airspace
MOA -- Memorandum of Agreement
MOA -- Military Operations Area
MOCA -- Minimum Obstruction Clearance Altitude
MODE C -- Altitude-- Encoded Beacon Reply
MODE C -- Altitude Reporting Mode of Secondary Radar
MODE S -- Mode Select Beacon System
MOU -- Memorandum of Understanding
MPO -- Metropolitan Planning Organization
MPS -- Maintenance Processor Subsystem (OR) Master Plan Supplement
MRA -- Minimum Reception Altitude
MRC -- Monthly Recurring Charge
MSA -- Minimum Safe Altitude
MSAW -- Minimum Safe Altitude Warning
MSL -- Mean Sea Level
MSN -- Message Switching Network
MTCS -- Modular Terminal Communications System
MTI -- Moving Target Indicator
MUX -- Multiplexor
MVA -- Minimum Vectoring Altitude
MVFR -- Marginal Visual Flight Rules
N top
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NAAQS -- National Ambient Air Quality Standards
NADA -- NADIN 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 -- National Airspace System or 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
NAVAID -- Navigation Aid
NAVMN -- Navigation Monitor and Control
NAWAU -- National Aviation Weather Advisory Unit
NAWPF -- National Aviation Weather Processing Facility
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 Homing Beacon
NDNB -- NADIN II
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
NI -- Network Interface
NICS -- National Interfacility Communications System
NPE -- Non-primary Airport Entitlement
NPIAS -- National Plan of Integrated Airport Systems
NM -- Nautical Mile
NMAC -- Near Mid Air Collision
NMC -- National Meteorological Center
NMCE -- Network Monitoring and Control Equipment
NMCS -- Network Monitoring and Control System
NOAA -- National Oceanic and Atmospheric Administration
NOC -- Notice Of Completion
NOTAM -- Notice to Airmen
NPDES -- National Pollutant Discharge Elimination System
NPIAS -- National Plan of Integrated Airport Systems
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
NTAP -- Notices To Airmen Publication
NTP -- National Transportation Policy
NTSB -- National Transportation Safety Board
NTZ -- No Transgression Zone
NWS -- National Weather Service
NWSR -- NWS Weather Excluding NXRD
NSWRH -- NWS Regional Headquarters
NXRD -- Advanced Weather Radar System
O top
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OAG -- Official Airline Guide
OALT -- Operational Acceptable Level of Traffic
OAW -- Off-- airway Weather Station
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
OM -- Outer Marker
OMB -- Office of Management and Budget
ONER -- Oceanic Navigational Error Report
OPLT -- Operational Acceptable Level of Traffic
OPSW -- Operational Switch
OPX -- Off Premises Exchange
ORD -- Operational Readiness Demonstration
OTR -- Oceanic Transition Route
OTS -- Organized Track System
P top
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PABX -- Private Automated Branch Exchange
PAD -- Packet Assembler/Disassembler
PAM -- Peripheral Adapter Module
PAPI -- Precision Approach Path Indicator
PAR -- Precision Approach Radar
PAR -- Preferential Arrival Route
PATWAS -- Pilots Automatic Telephone Weather Answering Service
PBCT -- Proposed Boundary Crossing Time
PBRF -- Pilot Briefing
PBX -- Private Branch Exchange
PCA -- Positive Control Airspace
PCM -- Pulse Code Modulation
PDAR -- Preferential Arrival And Departure Route
PDC -- Pre-- Departure Clearance
PDC -- Program Designator Code
PDR -- Preferential Departure Route
PDN -- Public Data Network
PFC -- Passenger Facility Charge
PGP -- Planning Grant Program
PIC -- Principal Interexchange Carrier
PIDP -- Programmable Indicator Data Processor
PIREP -- Pilot Weather Report
PMS -- Program Management System
POLIC -- Police Station
POP -- Point Of Presence
POT -- Point Of Termination
PPIMS -- Personal Property Information Management System
PR -- Primary Commercial Service Airport
PRI -- Primary Rate Interface
PRM -- Precision Runway Monitor
PSDN -- Public Switched Data Network
PSN -- Packet Switched Network
PSS -- Packet Switched Service
PSTN -- Public Switched Telephone Network
PTC -- Presumed-to-Conform
PUB -- Publication
PUP -- Principal User Processor
PVC -- Permanent Virtual Circuit
PVD -- Plan View Display
Q top
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R top
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RAIL -- Runway Alignment Indicator Lights
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
RCC -- Rescue Coordination Center
RCF -- Remote Communication Facility
RCCC -- Regional Communications Control Centers
RCIU -- Remote Control Interface Unit
RCL -- Radio Communications Link
RCLR -- RCL Repeater
RCLT -- RCL Terminal
RCO -- Remote Communications Outlet
RCU -- Remote Control Unit
RDAT -- Digitized Radar Data
RDP -- Radar Data Processing
RDSIM -- Runway Delay Simulation Model
REIL -- Runway End Identification Lights
RF -- Radio Frequency
RL -- General Aviation Reliever Airport
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
RMS -- Remote Monitoring Subsystem
RMSC -- Remote Monitoring Subsystem Concentrator
RNAV -- Area Navigation
RNP -- Required Navigation Performance
ROD -- Record of Decision
ROSA -- Report of Service Activity
ROT -- Runway Occupancy Time
RP -- Restoration Priority
RPC -- Restoration Priority Code
RPG -- Radar Processing Group
RPZ -- Runway Protection Zone
RRH -- Remote Reading Hygrothermometer
RRHS -- Remote Reading Hydrometer
RRWDS -- Remote Radar Weather Display
RRWSS -- RWDS Sensor Site
RSA -- Runway Safety Area
RSAT -- Runway Safety Action Team
RSS -- Remote Speaking System
RT -- Remote Transmitter
RT & BTL -- Radar Tracking And Beacon Tracking Level
RTAD -- Remote Tower Alphanumerics Display
RTCA -- Radio Technical Commission for Aeronautics
RTP -- Regional Transportation Plan
RTR -- Remote Transmitter/Receiver
RTRD -- Remote Tower Radar Display
RVR -- Runway Visual Range
RW -- Runway
RWDS -- Same as RRWDS
RWP -- Real-time Weather Processor
S top
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S/S -- Sector Suite
SAC -- Strategic Air Command
SAFI -- Semi Automatic Flight Inspection
SALS -- Short Approach Lighting System
SATCOM -- Satellite Communications
SAWRS -- Supplementary Aviation Weather Reporting System
SBGP -- State Block Grant Program
SCC -- System Command Center
SCVTS -- Switched Compressed Video Telecommunications Service
SDF -- Simplified Direction Finding
SDF -- Software Defined Network
SDIS -- Switched Digital Integrated Service
SDP -- Service Delivery Point
SDS -- Switched Data Service
SEL -- Single Event Level
SELF -- Simplified Short Approach Lighting System With Sequenced Flashing Lights
SFAR-- 38 -- Special Federal Aviation Regulation 38
SHPO -- State Historic Preservation Officer
SIC -- Service Initiation Charge
SID -- Station Identifier
SID -- Standard Instrument Departure
SIGMET -- Significant Meteorological Information
SIMMOD -- Airport and Airspace Simulation Model
SIP -- State Implementation Plan
SM -- Statute Miles
SMGC -- Surface Movement Guidance and Control
SMPS -- Sector Maintenance Processor Subsystem
SMS -- Safety Management System
SMS -- Simulation Modeling System
SNR -- Signal-- to-- Noise Ratio, also: S/N
SOC -- Service Oversight Center
SOAR -- System of Airports Reporting
SOIR -- Simultaneous Operations On Intersecting Runways
SOIWR -- Simultaneous Operations on Intersecting Wet Runways
SRAP -- Sensor Receiver and Processor
SSALF -- SSALS with Sequenced Flashers
SSALR -- Simplified Short Approach Lighting System
SSB -- Single Side Band
STAR -- Standard Terminal Arrival Route
STD -- Standard
STMUX -- Statistical Data Multiplexer
STOL -- Short Takeoff and Landing
SURPIC -- Surface Picture
SVCA -- Service A
SVCB -- Service B
SVCC -- Service C
SVCO -- Service O
SVFO -- Interphone Service F (A)
SVFB -- Interphone Service F (B)
SVFC -- Interphone Service F (C)
SVFD -- Interphone Service F (D)
SVFR -- Special Visual Flight Rules
T top
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T1MUX -- T1 Multiplexer
TAAS -- Terminal Advance Automation System
TACAN -- Tactical Aircraft Control and Navigation
TACR -- TACAN at VOR, TACAN only
TAF -- Terminal Area Forecast
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
TCA -- 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
TELCO -- Telephone Company
TELMS -- Telecommunications Management System
TERPS -- Terminal Instrument Procedures
TFAC -- To Facility
TH -- Threshold
TIMS -- Telecommunications Information Management System
TIPS -- Terminal Information Processing System
TL -- Taxilane
TMA -- Traffic Management Advisor
TMC -- Traffic Management Coordinator
TMC/MC -- Traffic Management Coordinator/Military Coordinator
TMCC -- Terminal Information Processing System
TMCC -- 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
TM&O -- Telecommunications Management and Operations
TMP -- Traffic Management Processor
TMS -- Traffic Management System
TMSPS -- Traffic Management Specialists
TMU -- Traffic Management Unit
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
TNAV -- Terminal Navigational Aids
TR -- Telecommunications Request
TRACAB -- Terminal Radar Approach Control in Tower Cab
TRACON -- Terminal Radar Approach Control Facility
TRAD -- Terminal Radar Service
TRB -- Transportation Research Board
TRNG -- Training
TSA -- Taxiway Safety Area
TSEC -- Terminal Secondary Radar Service
TSP -- Telecommunications Service Priority
TSR -- Telecommunications Service Request
TSYS -- Terminal Equipment Systems
TTMA -- TRACON Traffic Management Advisor
TTY -- Teletype
TVOR -- Terminal VHF Omnidirectional Range
TW -- Taxiway
TWEB -- Transcribed Weather Broadcast
TWR-- Tower (non-controlled)
TY -- Type (FAACIS)
U top
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UAS -- Uniform Accounting System
UHF -- Ultra High Frequency
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 top
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VALE -- Voluntary Airport Low Emission
VASI -- Visual Approach Slope Indicator
VDME -- VOR with Distance Measuring Equipment
VF -- Voice Frequency
VFR -- Visual Flight Rules
VHF -- Very High Frequency
VLF -- Very Low Frequency
VMC -- Visual Meteorological Conditions
VNAV -- Visual Navigational Aids
VNTSC -- Volpe National Transportation System Center
VON -- Virtual On-net
VOR -- VHF Omnidirectional Range
VOR/DME -- VHF Omnidirectional Range/Distance Measuring Equipment
VORTAC -- VOR collocated with TACAN
VOT -- VOR Test Facility
VP/D -- Vehicle/Pedestrian Deviation
VRS -- Voice Recording System
VSCS -- Voice Switching and Control System
VTA -- Vertex Time of Arrival
VTAC -- VOR collocated with TACAN
VTOL -- Vertical Takeoff and Landing
VTS -- Voice Telecommunications System
W top
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WAAS -- Wide Area Augmentation System
WAN -- Wide Area Network
WC -- Work Center
WCP -- Weather Communications Processor
WECO -- Western Electric Company
WESCOM -- Western Electric Satellite Communications
WMSC -- Weather Message Switching Center
WMSCR -- Weather Message Switching Center Replacement
WSCMO -- Weather Service Contract Meteorological Observatory
WSFO -- Weather Service Forecast Office
WSMO -- Weather Service Meteorological Observatory
WSO -- Weather Service Office
WTHR -- "Weather"
WX -- Weather
X top
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Y top
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Z top
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