Abbreviation |
Meaning |
AAR
|
Airport arrival rate |
ACD
|
ARTS Color Displays |
ACDO
|
Air Carrier District Office |
ACE-IDS
|
ASOS Controller Equipment-Information Display System
|
ACID
|
Aircraft identification |
ADC
|
Aerospace Defense Command |
ADIZ
|
Air defense identification zone |
ADL
|
Aggregate demand list |
ADR
|
Airport departure rate |
ADS-A
|
Automatic Dependant Surveillance- Addressable |
ADS-B
|
Automatic Dependent Surveillance- Broadcast |
A/FD
|
Airport/Facility Directory |
AFP
|
Airspace Flow Program |
AFRES
|
Air Force reserve |
AFTN
|
Aeronautical fixed telecommunications network |
AIDC
|
ATS Interfacility Data Communications |
AIM
|
Aeronautical Information Manual |
AIRAC
|
Aeronautical Information Regulation and Control |
AIT
|
Automated information transfer |
ALD
|
Available landing distance |
ALS
|
Approach light system |
ALTRV
|
Altitude reservation |
AMASS
|
Airport Movement Area Safety System |
APREQ
|
Approval request |
ARFF
|
Airport rescue and fire fighting |
ARINC
|
Aeronautical Radio, Inc. |
ARO
|
Airport Reservations Office |
ARP
|
Airport reference point |
ARSR
|
Air route surveillance radar |
ART
|
ATO Resource Tool |
ARTCC
|
Air route traffic control center |
ARTS
|
Automated radar terminal system |
ASDE
|
Airport surface detection equipment |
ASDE-X
|
Airport Surface Detection Equipment System - Model X
|
ASF
|
Airport stream filters |
ASI
|
Altimeter setting indicator |
ASOS
|
Automated Surface Observing System |
ASP
|
Arrival sequencing program |
ASPM
|
Aviation System Performance Metrics |
ASR
|
Airport surveillance radar |
AT
|
Air Traffic |
ATA
|
Air traffic assistant |
ATC
|
Air traffic control |
ATCAA
|
Air
traffic control assigned airspace |
ATCRBS
|
Air traffic control radar beacon system |
ATCS
|
Air traffic control specialist |
ATCSCC
|
David J. Hurley Air Traffic Control System Command Center
|
ATCT
|
Airport traffic control tower |
ATIS
|
Automatic terminal information service |
ATM
|
Air Traffic Manager |
ATO
|
Air Traffic Organization |
ATOP
|
Advanced Technologies and Oceanic Procedures |
ATREP
|
Air Traffic representative |
ATTS
|
Automated Terminal Tracking Systems |
AWC
|
Aviation Weather Center |
AWIS
|
Automated weather information service |
AWOS
|
Automated Weather Observing System |
BAASS
|
Bigelow Aerospace Advanced Space Studies |
CA
|
Conflict alert |
CAP
|
Civil Air Patrol |
CARF
|
Central Altitude Reservation Function |
CARTS
|
Common ARTS |
CAS
|
Civil Aviation Security |
CCFP
|
Collaborative Convective Forecast Product |
CCSD
|
Collaborative Constraint Situation Display |
CD
|
Clearance delivery |
CDM
|
Collaborative decision making |
CDR
|
Coded Departure Route(s) |
CDR
|
Continuous Data Recording |
CERAP
|
Combined center/RAPCON |
CFR
|
Code of Federal Regulations |
CIC
|
Controller-in-charge |
CIRNOT
|
Circuit Notice |
COB
|
Close of business |
CONUS
|
Continental/Contiguous/Conterminous United States
|
COO
|
Chief Operating Officer |
COTC
|
Computer operator terminal console |
CPDLC
|
Controller Pilot Data Link Communications |
CTRD
|
Certified Tower Radar Display |
CTA
|
Controlled times of arrival |
CWA
|
Center weather advisory |
CWSU
|
ARTCC Weather Service Unit |
DARC
|
Direct access radar channel |
DAS
|
Delay assignment |
DASI
|
Digital altimeter setting indicator |
DCCWU
|
ATCSCC Weather Unit |
DEDS
|
Data entry display system |
DME
|
Distance measuring equipment |
DOD
|
Department of Defense |
DOE
|
Department of Energy |
DOT
|
Department of Transportation |
DP
|
Instrument Departure Procedure |
DRT
|
Diversion Recovery Tool |
DSP
|
Departure sequencing program |
DTM
|
Digital terrain maps |
DVA
|
Diverse vector area |
DVRSN
|
Diversion |
E-MSAW
|
En Route Minimum Safe Altitude Warning |
EASL
|
Existing automation service level |
EDCT
|
Expect departure clearance time |
EFAS
|
En route flight advisory service |
EI
|
Early Intent |
ELT
|
Emergency locator transmitter |
EOVM
|
Emergency obstruction video map |
EPIC
|
El Paso Intelligence Center |
ERIDS
|
En Route Information Display System |
ESL
|
Emergency service level |
ESP
|
En Route sequencing program |
FAA
|
Federal Aviation Administration |
FCA
|
Flow Constrained Area |
FDEP
|
Flight data entry and printout |
FDIO
|
Flight data input/output |
FEA
|
Flow Evaluation Area |
FIAO
|
Flight inspection area office |
FLM
|
Front-Line Manager |
FOIA
|
Freedom of information act |
FOUO
|
For Official Use Only |
FP
|
Flight plan |
FPL
|
Full performance level |
FRD
|
Fixed Radial Distance |
FSA
|
Flight schedule analyzer |
FSDO
|
Flight Standards district office |
FSL
|
Full service level |
FSM
|
Flight Schedule Monitor |
FSS
|
Flight service station |
FW
|
Flight watch |
FWA
|
Flight watch area |
FWCS
|
Flight watch control station |
GA
|
General aviation |
GC
|
Ground control |
GDP
|
Ground delay program(s) |
GENOT
|
General notice |
GI
|
General information message |
GS
|
Ground stop(s) |
HIRL
|
High intensity runway lights |
HRPM
|
Human Resource Policy Manual |
IAFDOF
|
Inappropriate Altitude for Direction of Flight |
ICAO
|
International Civil Aviation Organization |
ICR
|
Integrated Collaborative Rerouting |
ICSS
|
Integrated communication center |
IDS
|
Information Display System |
IFR
|
Instrument flight rules |
IFSS
|
International flight service station |
ILS
|
Instrument landing system |
INS
|
Immigration and Naturalization Service |
IR
|
IFR MTR |
ITWS
|
Integrated Terminal Weather System |
LAA
|
Local airport advisory |
LAAS
|
Low altitude alert system |
LADP
|
Local Airport Deicing Plan |
LAHSO
|
Land
and hold short operations |
LAWRS
|
Limited aviation weather reporting station |
LC
|
Local control |
LLWAS
|
Low level wind shear alert system |
LLWAS
NE |
Low Level Wind Shear Alert System Network Expansion
|
LLWAS-RS
|
Low Level Wind Shear Alert System Relocation/Sustainment
|
LLWS
|
Low Level Wind Shear |
LOA
|
Letter of agreement |
LOGT
|
Log/tally print time |
MA
|
Monitor alert |
MALS/RAIL
|
Medium approach light system and runway alignment indicator lights
|
MAPPS
|
Management Association for Private Photogrammetric Surveyors
|
MCI
|
Mode C intruder |
MDM
|
Main display monitor |
MEA
|
Minimum en route IFR altitude |
MEARTS
|
Micro En Route Automated Radar Tracking System |
METAR
|
Aviation Routine Weather Report |
MIA
|
Minimum IFR altitude |
MIAWS
|
Medium Intensity Airport Weather System |
MIT
|
Miles-in-trail |
MLS
|
Microwave landing system |
MOA
|
Military operations area |
MOCA
|
Minimum obstruction clearance altitude |
MOU
|
Memorandum of understanding |
MSL
|
Mean sea level |
MTI
|
Moving target indicator |
MTR
|
Military training route |
MVA
|
Minimum vectoring altitude |
NAA
|
National aeronautical association |
NADIN
|
National airspace data interchange network |
NAR
|
National Automation Request |
NAS
|
National Airspace System |
NASA
|
National Aeronautics and Space Administration |
NASE
|
National Airway Systems Engineering |
NAVAID
|
Navigational aid |
NCIC
|
National crime information center |
NFDC
|
National Flight Data Center |
NFDD
|
National Flight Data Digest |
NHOP
|
National hurricane operations plan |
NM
|
Nautical mile |
NNCC
|
National Network Control Center |
NOAA
|
National Oceanic and Atmospheric Administration |
NOM
|
National Operations Manager |
NORAD
|
North American Aerospace Defense Command |
NOS
|
National Ocean Service |
NOTAM
|
Notice to Airmen |
NRP
|
North American Route Program |
NTML
|
National Traffic Management Log |
NTMO
|
National Traffic Management Officer |
NTSB
|
National Transportation Safety Board |
NWS
|
National Weather Service |
NWSOP
|
National winter storm operations plan |
OASIS
|
Operational and Supportability Implementation System
|
OM
|
Operations Manager |
OPR
|
Office of primary responsibility |
OS
|
Operations Supervisor |
OSIC
|
Operations Supervisor-in-Charge |
P-ACP
|
Prearranged coordination procedures |
PAR
|
Precision approach radar |
PB
|
Pilot briefing |
PCS
|
Power Conditioning System |
PDC
|
Pre-Departure Clearance |
PIC
|
Pilot-in-command |
PIREPS
|
Pilot reports |
POC
|
Point of Contact |
PVD
|
Planned view display |
QAR
|
Quality assurance review |
RA
|
Radar Associate |
RAA
|
Remote Airport Advisory |
RADLO
|
Regional air defense liaison officer |
RAIL
|
Runway alignment indicator lights |
RAIS
|
Remote Airport Information Service |
RAPCON
|
Radar approach control facility (USAF) |
RATCF
|
Radar Air Traffic Control Facility associated with the United States
Navy |
RCAG
|
Remote communications air ground facility |
RCC
|
Rescue coordination center |
RMT
|
Route Management Tool |
ROC
|
Regional operations center |
ROG
|
Route Options Generation |
ROT
|
Runway
occupancy time |
RSU
|
Runway supervisory unit |
RVR
|
Runway visual range |
RVV
|
Runway visibility value |
SAA
|
Special activity airspace |
SAMS
|
Special Use Airspace Management System |
SATCOM
|
Satellite Communication(s) |
SAWS
|
Stand Alone Weather System |
SE
|
Systems engineer |
SIA
|
Status information area |
SID
|
Standard Instrument Departure |
SIGMET
|
Significant meteorological information |
SMGCS
|
Surface movement guidance and control system |
SMO
|
System Management Office |
SMR
|
Surface Movement Radar |
SOP
|
Standard operating procedure |
SP
|
Support Specialist(s) |
SPECI
|
Nonroutine (Special) Aviation Weather Report |
STARS
|
Standard terminal automation replacement system |
STMC
|
Supervisor Traffic Management Coordinator |
STMCIC
|
Supervisory Traffic Management Coordinator-in-Charge
|
STMP
|
Special traffic management program |
SUA
|
Special use airspace |
SVFR
|
Special visual flight rules |
SWAP
|
Severe weather avoidance plan |
T&A
|
Time and attendance |
TAC
|
Terminal area chart |
TACAN
|
Tactical air navigation aid |
TCA
|
Tactical Customer Advocate |
TCAS
|
Traffic alert collision and avoidance system |
TCDD
|
Tower cab digital display |
TDLS
|
Terminal Data Link System |
TDW
|
Terminal display workstation |
TDWR
|
Terminal Doppler weather radar |
TEC
|
Tower en route control |
TELCON
|
Telephone Conference |
TEL-TWEB
|
Telephone-transcribed weather broadcast |
TERPS
|
Terminal instrument procedures |
TFMS
|
Traffic Flow Management System |
TFR
|
Temporary flight restriction |
TIBS
|
Terminal information broadcast system |
TM
|
Traffic management |
TMC
|
Traffic
management coordinator |
TMI
|
Traffic management initiatives |
TMU
|
Traffic management unit |
TRACAB
|
Terminal radar approach control in tower cab |
TRACON
|
Terminal radar approach control |
TRSA
|
Terminal Radar Service Area |
TSD
|
Traffic situation display |
TWEB
|
Transcribed weather broadcast |
UFO
|
Unidentified flying object |
UHF
|
Ultrahigh frequency |
UPT
|
User Preferred Trajectory |
URET
|
User Request Evaluation Tool |
USAF
|
United States Air Force |
USN
|
United States Navy |
UTC
|
Coordinated universal time |
VAR
|
Volcanic activity report |
VASI
|
Visual approach slope indicator |
VCE
|
VSCS/Console Equipment |
VEARS
|
VSCS Emergency Access Radio System |
VFR
|
Visual flight rules |
VHF
|
Very high frequency |
VMC
|
Visual meteorological conditions |
VOR
|
Omnidirectional VHF navigational aid |
VORTAC
|
Collocated VOR and TACAN navigational aid |
VR
|
VFR MTR |
VSCS
|
Voice Switching and Control System |
VTABS
|
Voice switching and control system training and backup system
|
WARP
|
Weather and Radar Processing |
WC
|
Weather coordinator |
WFO
|
Weather Forecast Office |
WINGS
|
Weather Information and Navigational Graphics System
|
WMSCR
|
Weather Message Switching Center Replacement |
WSD
|
Web Situation Display |
WSO
|
Weather Service Office |
WSP
|
Weather System Processor |