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A
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AA
|
Associate Administrator
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AAC
|
Advanced Airspace Concept
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AACS
|
Advanced Airspace Computer System
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AATT
|
Advanced Air Transportation Technologies Project
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ACARS
|
Aircraft Communications Addressing and Reporting System
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ACES
|
Airspace Concept Evaluation System
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ACF
|
Area Control Facility
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ADIZ
|
Air Defense Identification Zone
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ADS-B
|
Automatic Dependent Surveillance - Broadcast
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AFB
|
Air Force Base
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AIAA
|
American Institute of Aeronautics and Astronautics
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AMDAR
|
Aircraft Meteorological Data Relay
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AOC
|
Airline Operations Control
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AOS
|
Airspace Operations Systems
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ARC
|
Ames Research Center
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ARINC
|
Aeronautical Radio Inc.
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ARSR
|
Air Route Surveillance Radar
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ARTCC
|
Air Route Traffic Control Center
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ARTS
|
Automatic Radar Terminal System
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AS
|
Airspace Systems Program
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ASDI
|
Aircraft Situation Display to Industry
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ASEB
|
Aeronautics and Space Engineering Board
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ASPM
|
Aviation System Performance Metrics
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ASR
|
Airport Surveillance Radar
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ATC
|
Air Traffic Control
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ATAC
|
Aerospace Technology Advisory Committee
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ATCA
|
Air Traffic Control Association, Inc.
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ATCSCC
|
Air Traffic Control System Command Center
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ATCT
|
Air Traffic Control Tower
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ATL
|
Atlanta Hartsfield International Airport
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ATM
|
Air Traffic Management
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ATS
|
Air Transportation System
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ATSP
|
Air Traffic Service Provider
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AVOSS
|
Aircraft Vortex Spacing System
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AvSP
|
Aviation Safety Program
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AvSTAR
|
Aviation System Technology Advanced Research
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B
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BRIMS
|
Behavior Representation in Modeling and Simulation
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BTS
|
Bureau of Transportation Statistic
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C
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C3I
|
Command, Control, Communication, and Information
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CAASD
|
Center for Advanced Aviaiton System Development (MITRE Corporation)
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CCFP
|
Collaborative Convective Weather Forecast Product
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CDDC
|
Centralized Decision-making Distributed Control
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CDTI
|
Cockpit Display of Traffic Information
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CICT
|
Computing, Information, and Communication Technologies
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CIWS
|
Corridor Integrated Weather System
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CNS
|
Communication, Navigation, and Surveillance
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CONOPS
|
Concept of Operations
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COTS
|
Commercial Off-the-Shelf
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CPM
|
Cognitive, Perceptual, and Motor
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CSC
|
Computer Sciences Corporation
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CTA
|
Controlled Time of Arrival
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CTAS
|
Center/TRACON Automation System
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CTOC
|
Centralized Terminal Operation Control
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CVR
|
Cockpit Voice Recorder
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CVR
|
Controlled Visual Rules
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CVSRF
|
Crew Vehicle Systems Research Facility
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CW
|
Continuous Wave
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D
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DAG
|
Distributed Air/Ground
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DAG-TM
|
Distributed Air/Ground Traffic Management
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DEWIZ
|
Distant Early Warning Identification Zone
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DFW
|
Dallas/Fort Worth International Airport
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DOD
|
Department of Defense
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DOT
|
Department of Transportation
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DSR
|
Display System Replacement
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DST
|
Decision Support Tool
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E
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EDR
|
Eddy Dissipation Rate
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ETL
|
Environmental Technology Laboratory
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F
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FAA
|
Federal Aviation Administration
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FACET
|
Future ATM Concepts Evaluation Tool
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FAR
|
Federal Acquisition Regulation
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FARGO
|
Flight-Deck Automation for Reliable Ground Operation
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FASTE
|
Future Aeronautical Subnetwork Traffic Emulator
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FD
|
Flight Deck
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FDS
|
Flight Data Set
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FFC
|
FutureFlight Central
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FFRDC
|
Federally-Funded Research and Development Center
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FII
|
Frequency Domain Interferometer Imaging
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FMCW
|
Frequency Modulated Continuous Wave
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FMS
|
Flight Management System
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FOC
|
Full Operating Capability
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FY
|
Fiscal Year
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G
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GFI
|
Government Furnished Information
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GMT
|
Greenwich Mean Time (Zulu)
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GOMS
|
Goal, Operators, Methods, and Selection
|
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GO-SAFE
|
Ground-Operation Situation Awareness and Flow Efficiency
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GPS
|
Global Positioning System
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GRC
|
Glenn Research Center
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GUI
|
Graphical User Interface
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H
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HID
|
Host Interface Device
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HLA
|
High Level Architecture
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HMP
|
Human Measures and Performance Project
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I
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IAD
|
Dulles International Airport
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IEEE
|
Institute of Electrical and Electronics Engineers, Inc.
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IFR
|
Instrument Flight Rules
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IIR
|
Independent Implementation Review
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IMC
|
Instrument Meterological Conditions
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INM
|
Integrated Noise Model
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ITWS
|
Integrated Terminal Weather Service
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L
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LaRC
|
Langley Research Center
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LIDAR
|
Light Detection and Ranging
|
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LLWAS
|
Low Level Wind Shear Alert System
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LNAV
|
Lateral Navigation
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M
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MAPR
|
Multiple Antenna Profiler Radar
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MDCRS
|
Meteorological Data Collection and Reporting System
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MEANS
|
MIT Extensible Air Network Simulation
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MIDAS
|
Man-Machine Integration Design and Analysis System
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MIT
|
Massachusetts Institute of Technology
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MOA
|
Memorandum of Agreement
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MOU
|
Memorandum of Understanding
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MS
|
Milestone
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MSL
|
Mean Sea Level
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N
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NAR
|
Non-Advocate Review
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NAS
|
National Airspace System
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NASA
|
National Aeronautics and Space Administration
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Navaid
|
Radio Navigation Aid
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NCAR
|
National Center for Atmospheric Research
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NIMA
|
NCARR Improved Moments Algorithm
|
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NIRS
|
Noise Integrated Routing System
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NM
|
Nautical Miles
|
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NMAC
|
Near Midair Collision
|
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NOAA
|
National Oceanic and Atmospheric Administration
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NOWCAST
|
Short-Term Weather Forecast, also called Short-Term Forecast
|
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NRA
|
NASA Research Announcement
|
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NRT
|
Non-Real-Time
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NTSC
|
Volpe National Transportation System Center
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NTX
|
North Texas Research Station for CTAS
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NWIS
|
NAS-Wide Information System
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O
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OAT
|
Office of Aerospace Technology
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OEP
|
Operational Evolution Plan
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OMB
|
Office of Management and Budget
|
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OpsCon
|
Operational Concept
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OpsNet
|
Operations Network
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P
|
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PAS
|
Pseudo Aircraft System
|
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PCA
|
Positive Controlled Airspace
|
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PDR
|
Preliminary Design Review
|
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PFA
|
Project Formulation Agreement
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PMC
|
Program Management Council
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PRR
|
Program Readiness Review
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PTP
|
Point-to-Point
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R
|
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RAMS
|
Reorganized ATC Mathematical Simulator
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RASS
|
Radio Acoustic Sounding System
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R&D
|
Research and Development
|
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RIACS
|
Research Institution for Advanced Computer Science
|
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RIM
|
Range Imaging
|
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RLV
|
Reusable Launch Vehicle
|
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RMS
|
Root Mean Square
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RNP
|
Required Navigation Performance
|
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RT
|
Real-Time
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RTCA
|
formerly Radio Technical Committee on Aeronautics, now RTCA, Inc.
|
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RTI
|
Run Time Infrastructure
|
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RUC
|
Rapid Update Cycle
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S
|
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SAA
|
Space Act Agreement
|
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SADRASS
|
Spaced Antenna Drift Radio Acoustic Sounding System
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SAR
|
Search and Rescue
|
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SATS
|
Small Aircraft Technology System
|
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SBIR
|
Small Business Innovative Research
|
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SEA
|
System Evaluation and Assessment Sub-project
|
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SFO
|
San Francisco International Airport
|
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SHCT
|
Short Haul Civil Tiltrotor
|
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SID
|
Standard Instrument Departure
|
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SIMMOD
|
Simulation Model
|
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SISO
|
Simulation Interoperability Standards Organization
|
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SLIC
|
System Level Integrated Concepts Sub-project
|
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SMO
|
System Management Office
|
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SOAR
|
Surface Operation Automation Research
|
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STAR
|
Standard Terminal Arrival Route
|
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STARS
|
Standard Terminal Automation Replacement System
|
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SWAP
|
Severe Weather Avoidance Program
|
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SWIM
|
System-Wide Information Management
|
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SWO
|
System-Wide Optimization
|
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SYSCO
|
System-Supported Coordination
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T
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TAAM
|
Total Airspace and Airport Modeler
|
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TACAN
|
Tactical Air Navigation
|
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TACEC
|
Terminal Area Capacity-Enhancing Concept
|
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TARS
|
Tethered Aerostat Radar System
|
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TCAS
|
Traffic-alert and Collision Avoidance System
|
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TDWR
|
Terminal Doppler Weather Radar
|
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TEP
|
Turbulent Eddy Processor
|
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TFAS
|
Traffic Flow Automation System
|
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TFM
|
Traffic Flow Management
|
|
TIM
|
Technical Interchange Meeting
|
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TKE
|
Turbulent Kinetic Energy
|
|
TMA
|
Traffic Management Advisor
|
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TMC
|
Traffic Management Coordinator
|
|
TMU
|
Traffic Management Unit
|
|
TOC
|
Top-of-Climb
|
|
TOD
|
Top-of-Descent
|
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TRACON
|
Terminal Radar Approach Control
|
|
TSAFE
|
Tactical Separation Assisted Flight Environment
|
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U
|
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UAV
|
Unmanned Aerial Vehicle
|
|
UEET
|
Ultra-Efficient Engineering Technology
|
|
UHF
|
Ultra High Frequency
|
|
USN
|
United States Navy
|
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V
|
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VAMS
|
Virtual Airspace Modeling and Simulation Project
|
|
VASE
|
Virtual Airspace Simulation Environment
|
|
VAST
|
Virtual Airspace Simulation Technologies Sub-project
|
|
VFR
|
Visual Flight Rules
|
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VHF
|
Very High Frequency
|
|
VNAV
|
Vertical Navigation
|
|
VOR
|
VHF Omnidirectional Ranges
|
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W
|
|
WakeVAS
|
Wake Vortex Advisory System
|
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