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Acronyms

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AAF	Airway Facilities Service
AAI	FAA Office of Accident Investigation
AAP	Advanced Automation Program
AAR	Airport Acceptance Rate
AAS	Advanced Automation System
AAT	Associate Administrator for Air Traffic
AC	Advisory Circular
ACAA	Air Carrier Association of America
ACDF	Adjacent Center Data Feed
ACDO	Air Carrier District Office
ACEP	Airport Capacity Enhancement Plan
ADAP	Airport Development Aid Program
ADAS	Automated Weather Observing System Data Acquisition System
ADC	Air Defense Command
ADIC	ATS Interfacility Data Communications
ADL	Aeronautical Data Link
ADO	Airline Dispatch Office
ADO	Airport District Office
ADS-A	Automatic Dependent Surveillance-Addressable
ADS-B	Automatic Dependent Surveillance-Broadcast
ADS-C	Automatic Dependent Surveillance-Contract
ADSIM	Airfield Delay Simulation Model
AEE	FAA Office of Environment and Energy
AEEC	Airlines Electronic Engineering Committee
AF	Air Force
AFMS	Automatic Flight Management System
AREA	Automated En Route Air Traffic Control
AFS	Airways Facilities Sector
AFSS	Automated Flight Service Station
AGI	FAA Office of Government and Industry Affairs
AGL	Great Lakes Region
AGL	Above Ground Level
AILS	Automatic Instrument Landing System
AIM	Aeronautical Information Manual
AIP	Airport Improvement Program
AIRPAC	Advisor for the Intelligent Resolution of Predicted Aircraft
AIS	Aeronautical Information System
ALPA	Airlines Pilots Association
ALSF	Approach Lighting System With Sequenced Flashing Lights
ALTRV	Altitude Reservation
AMASS	Airport Movement Area Safety System
AMCC	Air Route Traffic Control Center Maintenance Control Center
AMCT	Airspace Management Coordination Team
AMIC	Area Manager in Charge
AMIS	Aircraft Management Information System
AMP	Airspace Management Program
AND	Associate Administrator for NAS Development
ANM	Northwest Mountain Region
ANS	NAS Transitions and Implementation
AO	Acronymic Obfuscation
AOA	FAA Office of the Administrator
AOAS	Advanced Oceanic Automation System
AOC	Airline Operational Control Center
AOP	NAS Operations
AOPA	Aircraft Owners and Pilots Association
AOS	Operational Support Service
APM	Approach Path Monitor
ARC	Administrator's Review Committee
ARC	Airlines Reporting Corporation
ARC	Aviation Review Committee
ARINC	Aeronautical Radio Incorporated
ARSR	Air Route Surveillance Radar
ARTCC	Air Route Traffic Control Center
ARTS	Automated Radar Terminal System
ASAS	Aviation Safety Analysis System
ASD	Aircraft Situation Display
ASDE	Airport Surface Detection Equipment
ASOS	Automated Surface Observing System
ASP	Arrival Sequencing Program
ASR	Airport Surveillance Radar
ASR	Airways Facilities Spectrum Policy and Management
ASV	Annual Service Volume
ATA	Airline Transport Association
ATA	Arrival Transition Area
ATC	Air Traffic Control
ATCA	Air Traffic Control Association
ATCAA	ATC Assigned Airspace
ATCRBS	Air Traffic Control Radar Beacon System
ATCSCC	Air Traffic Control Systems Command Center
ATCT	Airport Traffic Control Tower
ATIDS	Airport Surface Target Identification System
ATIS	Automated Terminal Information Service
ATL	Atlanta Hartsfield Airport
ATM	Air Traffic Management
ATMS	Automated Training Management System
ATN	Aeronautical Telecommunications Network
ATO	Air Traffic Operations
ATOMS	Air Traffic Management Operations Management Systems
ATOP	Advanced Technology and Oceanic Procedures
ATS	Air Traffic Services
AVN	Aviation System Standards
AWOS	Automated Weather Observing System
AWP	Aviation Weather Processor
AWP	Western Pacific Region

BRITE	Bright Radar Indicator Tower Equipment
BUEC	Backup Emergency Communications

CA	Conflict Alert
CAASD	Center for Advanced Aviation System Development
CATTS	Computerized Air Traffic Training System
CAD	Computer Aided Drawing
CAEG	Computer Aided Engineering Graphics
CAMI	Civil Aeronautical Medical Institute
CAP	Civil Air Patrol
CARF	Central Altitude Reservation Function
CASA	Controller Automated Spacing Aid
CATI	Category One Landing
CATII/CATIII	Category Two/Three Landing
CAVS	Cockpit Display of Traffic Information (CDTI) Assisted Visual Separation
CBI	Computer Based Instruction
CCFP	Collaborative Convective Forecast Product
CCLD	Core Capability Limited Deployment
CD	Common Digitizer
CDA	Continuous Descent Approach or Continuous Descent Arrival
CDC	Computer Display Channel
CDM	Collaborative Decision Making
CDS	Central Dispatch System
CDT	Controlled Departure Time
CDTI	Cockpit Display of Traffic Information
CDV	Compressed Digital Video
CENRAP	Center Radar Arts Presentation
CERAP	Center Radar Approach Control
CFIT	Controlled Flight into Terrain
CFR	Code of Federal Regulations
CHI	Computer Human Interface
CIP	Capital Investment Plan
CIWS	Corridor Integrated Weather System
CNS	Communications, Navigation, and Surveillance
COTR	Contracting Officer's Technical Representative
COTS	Commercial-Off-The-Shelf
CP	Conflict Probe
CPDLC	Controller Pilot Data Link Communications
CRA	Conflict Resolution Advisory
CRDA	Converging Runway Display Aid
CSPR	Closely Spaced Parallel Runways
CTAS	Center TRACON Automation System
CWP	Central Weather Processor
CWSU	Center Weather Service Unit

DARC	Direct Access Radar Channel
DARP	Dynamic Aircraft Route Planning
DASI	Direct Altimeter Setting Indicator
DB	Decibel
DBRITE	Digital Bright Radar Indicator Tower Equipment
DCC	Direct Channel Complex
DEN	Denver International Airport
DF	Direction Finder
DFW	Dallas/Ft. Worth International Aiport
DGNSS	Differential Global Navigation Satellite System
DGPS	Differential Global Positioning System
DIA	Denver International Airport
DLAP	Data Link Applications Processor
DME	Distance Measuring Equipment
DNL	Day Night Average Noise Level
DOD	Department of Defense
DOT	Department of Transportation
DOTS	Dynamic Ocean Track System
DOVE	DSR Oceanic VSCS En Route Implementation Working Group
DRVSM	Domestic Reduced Vertical Separation Minima
DSP	Departure Sequencing Program
DSR	Display System Replacement
DSS	Decision Support System
DTA	Departure Transition Area
DUATS	Direct User Access Terminal System
DVOR	Doppler Very High Frequency Omni Directional Range
DVRS	Digital Voice Recorder System

EARS	En Route Analysis and Reporting System
EARTS	En Route Automated Radar Tracking System
EDC	Early Display Configuration
EDCT	Estimated Departure Control Time
EDI	Electronic Data Interchange
EDMS	Electronic Document Management Systems
EIPT	Environmental Integrated Project Team-Operations Panel
EIS	Environmental Impact Statements
EPA	Environmental Protection Agency
ERM	En Route Spacing Program
ESP	Enroute Sequencing Program
ETMS	Enhanced Traffic management Systems
EVCS	Emergency Voice Communications Systems
EVFR	Electronic Visual Flight Rules

FAATC	Federal Aviation Administration Technical Center
FAATSAT	Federal Aviation Administration Telecommunications Satellite
FADE	FAA/Airline Data Exchange
FANS	Future Air Navigation System
FARM	Fielded Automation Requirements Management
FAST	Final Approach Spacing Tool
FCA	Flow Constrained Area
FCC	Federal Communications Commission
FCM	Flight Schedule Monitor
FCT	Federal Contract Tower
FDP/RDP	Flight Data Processing/Radar Data Processing
FEA	Flow Evaluation Areas
FIAO	Flight Inspection Area Office
FIR	Flight Information Region
FIS	Flight Information Services
FLIP	Flight Information Publication
FLTCK	Flight Check
FONSI	Finding of No Significant Impact
FMA	Final Monitor Aid
FMS	Flight Management System
FPL	Full Performance Level
FPS	Military Primary Radar
FSDPS	Flight Service Data Processing System
FSM	Flight Schedule Monitor
FTS	Federal Telecommunications System

GA	General Aviation
GAO	General Accounting Office
GDE	Ground Delay Enhancements
GDP	Ground Delay Program
GENOT	General Notice
GETS	Government Emergency Telecommunications Service
GLONASS	Global Orbiting Navigational Satellite System
GMCC	General National Airspace System Maintenance Control Center
GNAS	General National Airspace System
GNSS	Global Navigation Satellite System
GOMP	Gulf of Mexico Program
GPS	Global Positioning System
GSA	General Services Administration
GUI	Graphic User Interface
GWDS	Graphic Weather Display System

HAR	High Altitude Redesign
HCS	Host Computer System
HID	Host Interface Display
HID/NAS/LAN	Host Interface Device/National Airspace System/Local Area Network
HUD	Heads Up Display

I&I	Impact and Implementation
IAPA	Instrument Approach Procedures Automation
IATA	International Air Transport Association
ICAO	International Civil Aviation Organization
ICSS	Integrated Communications Switching System
IFR	Instrument Flight Rules
ILS	Instrument Landing System
IMC	Instrument Meteorological Conditions
INM	Integrated Noise Model
IOC	Initial Operating Capability
IOT&E	Independent Operational Test and Evaluation
IPT	Integrated Product Team
ISC	Initial System Capability
ITC	In-Trail Climb
ITD	In-Trail Descent
ITWS	Integrated Terminal Weather System
IVT	Interactive Video Teletraining
IWGDS	Interim Weather Graphic-Display System

JAI	Joint Acceptance Inspection
JPDO	Joint Planning and Development Office
JSS	Joint Surveillance System

kHz

Kilohertz

LAAS	Local Area Augmentation System
LABS	Los Angeles Basin Study
LAGPS	Local Area Global Positioning System
LAN	Local Area Network
LAHSO	Land and Hold Short Operations
LAS	Las Vegas McCarran International Airport
LAWRS	Limited Aviation Weather Reporting Service
LAX	Las Angeles International Airport
LCC	Life Cycle Cost
LFME	Local Flow Management Enhancements
LGA	LaGuardia Airport
LINCS	Leased Interfacility National Airspace System Communications System
LLWAS	Low-Level Windshear Alert System
LNAV	Lateral Navigation
LOA	Letter of Agreement
LOB	Line Of Business
LOC	Localizer
LOM	Locator Outer Marker
LORAN	Long-Range Navigation
LPV	Lateral and Vertical Approach
LRR	Long Range Radar

M1FC	Model 1 Full Capacity
MALSR	Medium-Intensity Approach Lighting System With Runway Alignment Indicator
MAP	Missed Approach Procedure
MARSA	Military Assumes Responsibility for Separation
MCI	Mode C Intruder
METAR	Aviation Routine Weather Report
mGz	Megahertz
MLS	Microwave Landing System
MNPS	Minimum Navigation Performance Specification
MNS	Mission Needs Statement
MNT	Mach Number Technique
MOA	Military Operations Area
MODE C	Altitude Reporting Mode of Secondary Radar
MODE S	Mode Select; Discrete Addressable Secondary Radar System With Data Link
MODEM	Modulator-Demodulator
MOU	Memorandum of Understanding
MSA	Minimum Safe Altitude
MSAW	Minimum Safe Altitude Warning
MTD	Moving Target Detection
MTR	Military Training Route
MWP	Meteorological Weather Processor

NADIN	National Airspace Data Interchange Network
NAILS	National Airspace Integrated Logistics Support
NAPRS	National Airspace Performance Reporting System
NAR	National Airspace Review
NARACS	National Radio Communications System
NAS	National Airspace System
NASDAC	National Aviation Safety Data Analysis Center
NATCA	National Air Traffic Controllers Association
NATS	National Air Traffic Service
NAVAIDS	Navigational Aids
NBAA	National Business Aircraft Association
NBCAP	National Beacon Code Allocation Plan
NCP	NAS Change Proposal
NEXRAD	Next-Generation Weather Radar
NFP	NIMS Premier Facility
NGATS	Next Generation Aviation Transportation System
NICS	National Airspace System Interfacility Communications System
NIMS	NAS Infrastructure Management System
NIST	National Institute of Standards and Technologies
NM	Nautical Mile
NMCC	National Maintenance Control Center
NOAA	National Oceanic and Atmospheric Administration
NOM	NAS Operations Manager
NOREP	National Oceanic Review and Enhancement Program
NOTAM	Notice to Airmen
NPIAS	National Plan for Integrated Airport Systems
NPM	NAS Program Manager/Management
NPR	National Performance Review
NPRM	Notice of Proposed Rule Making
NRP	National Route Program
NRR	Non-Restrictive Airspace
NTSB	National Transportation Safety Board
NWS	National Weather Service

OAMP	Off-Line Aircraft Management Program
OAP	Oceanic Automation Program
OAS	Oceanic Automation System
OASIS	Operational and Supportability Implementation System
OATS	Office Automation Technology Services
OCA	Oceanic Control Area
OCC	Operations Control Center
ODALS	Omnidirectional Approach Lighting Systems
ODAPS	Oceanic Display and Planning System
ODL	Oceanic Data Link
OE/AAA	Obstruction Evaluation/Airport Airspace Analysis
OMB	Office of Management and Budget
OMEGA	Very Low Radio Navigation System
OPI	Office of Primary Interest
OPSNET	Operations Network
ORD	Operational Readiness Demonstration
OS	Operating System
OS	Operational Shakedown & Cutover
OSRWG	Oceanic Separation Reduction Working Group
OSDS	Oceanic System Development and Support
OSHA	Occupational Safety and Health Administration
OT&E	Operational Test and Evaluation
OTPS	Oceanic Traffic Planning System

PAMRI	Peripheral Adapter Module Replacement Item
PAPI	Precision Approach Path Indicator
PAR	Precision Approach Radar
PARC	Performance-Based Operations Aviation Rulemaking Committee
PARR	Problem Analysis Resolution and Ranking
PASS	Professional Airway Systems Specialists
PATS	Precision Approach Tracking System
PCS	Power Conditioning System
PCT	Potomac Consolidated TRACON
PDC	Pre-Departure Clearance
PFAST	Passive Final Approach Spacing Tool
PIP	Program Implementation Plan
PIREP	Pilot Weather Report
PM	Preventive Maintenance
POC	Point Of Contact
PRM	Precision Runway Monitor
PSL	Projected Service Life
PTR	Program Technical/Trouble Report
PVD	Plan View Display
PWI	Proximity Warning Indicator
P2R2	Preferred Route Reduction Program

QA	Quality Assurance

R& D	Research and Development
R,E&D	Research, Engineering and Development
RAPCON	Radar Approach Control
RAPT	Regional Airspace Procedures Team
RAPT	Route Availability Planning Tool
RAT	Risk Assessment Team
RCAG	Remote Communications Air/Ground
RCE	Radio Control Equipment
RCF	Remote Communications Facility
RCO	Remote Communications Outlet
REGIS	Regional Information System
REIL	Runway End Identification Lights
RFI	Radio Frequency Interference
RFI	Return on Future Investment
RIAP	Runway Incursion Action Plan
RIAT	Runway Incursion Action Team
RIP	Runway Incursion Program
RML	Radar Microwave Link
RMM	Remote Maintenance Monitoring
RMMS	Remote Maintenance Monitoring Systems
RNAV	Area Navigation
RNP-10	Required Navigation Performance
ROD	Record of Decision
RPAT	Parallel Approach Transition
RPV	Remotely Piloted Vehicle
RSL	Runway Status Light
RTAP	Runway Template Action Plan
RTCA	Radio Technical Commission for Aeronautics
RTE	RTE
RTR	Remote Transmitter/Receiver
RTS	Return to Service
RVR	Runway Visual Range
RVSM	Reduced Vertical Separation Minima
RX	Receiver

SAAAR	Special Aircraft and Aircrew Authorization Required
SAMS	Special Use Airspace Management System
SAR	Search and Rescue
SAWRS	Supplemental Aviation Weather Reporting Service
SCAT	Southern California Area TRACON ( Metroplex)
SECRA	Secondary Radar
SETA	System Engineering and Technical Assistance
SID	Standard Instrument Departure
SIAP	Standard Instrument Flight Procedures
SIGMET	Significant Meteorological Information
SIMMOD	Airspace and Airport Simulation Model
SPIFR	Single Pilot IFR
SMA	Surface Monitor Aid
SMA	Surface Movement Advisor
SMS	Safety Management System
SMMC	System Maintenance Monitor Console
SMGCS	Surface Movement Guidance and Control System
SOC	Service Operations Center
SOP	Standard Operating Practice
SPA	Society for the Prevention of Acronyms
SRMD	Safety Risk Management Document
SSC	System Support Center
SST	System Shakedown Testing
STAR	Standard Terminal Arrival Route
STARS	Standard Terminal Area Radar System
STARS	Standard Terminal Automation Replacement System
STMP	Special Traffic Management Program
STMS	Surface Traffic Management System
STOL	Short Take - Off and Landing
STT	Staffing to Traffic
STVS	Small Tower Voice Switch
SUA	Special Use Airspace
SUPCOM	Supervisors Committee (AAT AND AAF)
SUPS	Suspected Unapproved Parts System
SVFR	Special Visual Flight Rules
SWAP	Severe Weather Avoidance Procedure/Program
SWIM	System Wide Information Management

TAC	Tactical Air Command (USAF)
TACAN	Tactical Air Navigation
TARGETS	Terminal Area Route Generator, Evaluation, and Traffic Simulation
TATCA	Terminal Air Traffic Control Automation
TCAP	Traffic Count Automation Program
TCAS	Traffic Alert and Collision Avoidance System
TCCC	Tower Control Computer Complex
TCVR	Transceiver
TCWF	Terminal Convective Weather Forecast
TDLS	Tower Data-Link Services
TDWR	Terminal Doppler Weather Radar
TERP	Terminal Instrument Procedures
TFM	Traffic Flow Management
TFR	Temporary Flight Restriction
TMA	Traffic Management Advisor
TMA-MC	Traffic Management Advisor - Multi Center
TMA-SC	Traffic Management Advisor - Single Center
TMC	Traffic Management Coordinators
TMI	Traffic Management Initiatives
TMS	Traffic Management System
TMU	Traffic Management Unit
TOC	Technical Operations Center
TP	Telecommunication Processor
TRACON	Terminal Radar Approach Control
TSSC	Terminal Support Services Contract
TSARTS	Terminal Stand-Alone Radar Training System
TVSR	Terminal Voice Switch Replacement
TWIP	Terminal Weather Information for Pilots
TX	Transmitter

UBA	User Benefits Applications
UBI	User Benefits Infrastructure
UHF	Ultra High Frequency
UPR	User Preferred Route
UPS	Uninterruptible Power Supply
UPT	User Preferred Trajectory
URET	User Request Evaluation Tool
USAF	United States Air Force
USCG	United States Coast Guard
USNS	United States Notices to Airmen System
UTC	Coordinated Universal Time (ZULU)

VASI	Visual Approach Slope Indicator
VDL	Very High Frequency Data Link
VEARS	VSCS Emergency Access Radio System
VFR	Visual Flight Rules
VHF	Very High Frequency
VMC	Visual Meteorological Conditions
VOR	Very High Frequency Omnidirectional Range
VOR/DME	Very High Frequency Omnidirectional Range Colocated with Distance Measuring Equipment
VORTAC	Very High Frequency Omnidirectional Range Colocated Tactical Air Navigation
VRRP	Voice Recorder Replacement Program
VSCS	Voice Switching Communications System
VTABS	Voice Training and Backup System
VTOL	Vertical Take-Off and Landing

WAAS	Wide Area Augmentation System
WADGPS	Wide Area Differential Global Positioning System
WATRS	West Atlantic Route System
WAN	Wide Area Network
WARP	Weather and Radar Processor
WMSCR	Weather Message Switching Center Replacement
WRS	Wide Area Augmentation System Reference Station
WSR	Weather Surveillance Radar
WX	Weather

N/A	Not Applicable

N/A	Not Applicable

ZAB	Albuquerque ARTCC
ZAN	Anchorage ARTCC
ZAU	Chicago ARTCC
ZBW	Boston ARTCC
ZDC	Washington ARTCC
ZDV	Denver ARTCC
ZFW	Fort Worth ARTCC
ZHU	Houston ARTCC
ZID	Indianapolis ARTCC
ZJX	Jacksonville ARTCC
ZKC	Kansas City ARTCC
ZLA	Los Angeles ARTCC
ZLC	Salt Lake City ARTCC
ZMA	Miami ARTCC
ZME	Memphis ARTCC
ZMP	Minneapolis ARTCC
ZNY	New York ARTCC
ZOA	Oakland ARTCC
ZOB	Cleveland ARTCC
ZSE	Seattle ARTCC
ZTL	Atlanta ARTCC