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Appendix 3. Abbreviations/Acronyms

As used in this manual, the following abbreviations/acronyms have the
meanings indicated.

Abbreviation/

Acronym

Meaning

AAWU  .   Alaskan Aviation Weather Unit
AAS  .   Airport Advisory Service
AAM     Advanced Air Mobility
AC     Advisory Circular
ACAR  .   Aircraft Communications Addressing and

Reporting System

ADCUS    Advise Customs
ADDS   Aviation Digital Data Service
ADF  .   Automatic Direction Finder
ADIZ    Air Defense Identification Zone
ADS

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B  .   Automatic Dependent

Surveillance

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Broadcast

AFB  .   Air Force Base
AFCS    Automatic Flight Control System
AFIS .   Automatic Flight Information Service
AFM  .   Aircraft Flight Manual
AGL  .   Above Ground Level
AHRS   Attitude Heading Reference System
AIM  .   Aeronautical Information Manual
AIRMET  .  Airmen's Meteorological Information
AIS    Aeronautical Information Services
ALD  .   Available Landing Distance
ALDARS  .  Automated Lightning Detection and

Reporting System

ALS   .   Approach Light Systems
AMSL  .   Above Mean Sea Level
ANP  .   Actual Navigation Performance
AOCC  .   Airline Operations Control Center
AP     Autopilot System
APV  .   Approach with Vertical Guidance
AR     Authorization Required
ARENA    Areas Noted for Attention
ARFF IC   Aircraft Rescue and Fire Fighting Incident

Commander

ARINC  .   Aeronautical Radio Incorporated
ARO  .   Airport Reservations Office
ARSA   Airport Radar Service Area
ARSR    Air Route Surveillance Radar
ARTCC  .   Air Route Traffic Control Center
ASDE

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X   .   Airport Surface Detection Equipment

-

Model X

ASOS    Automated Surface Observing System
ASR  .   Airport Surveillance Radar

Abbreviation/

Acronym

Meaning

ASRS    Aviation Safety Reporting System
ASSC

Airport Surface Surveillance Capability

ATC   .   Air Traffic Control
ATCRBS   Air Traffic Control Radar Beacon System
ATCSCC   Air Traffic Control System Command

Center

ATCT    Airport Traffic Control Tower
ATD  .   Along

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Track Distance

ATIS  .   Automatic Terminal Information Service
ATO  .   Air Traffic Organization
ATT   .   Attitude Retention System
AWC  .   Aviation Weather Center
AWOS   .   Automated Weather Observing System
AWTT   .   Aviation Weather Technology Transfer
AWW    Severe Weather Forecast Alert
BAASS .   Bigelow Aerospace Advanced Space

Studies

BBS   .   Bulletin Board System
BC     Back Course
BECMG    Becoming group
BVLOS    Beyond Visual Line of Sight
C/A    Coarse Acquisition
CAT   .   Clear Air Turbulence
CBO  .   Community

-

Based Organization

CD     Controller Display
CDI    Course Deviation Indicator
CDR  .   Coded Departure Route
CERAP .   Combined Center/RAPCON
CFA   .   Controlled Firing Area
CFIT .   Controlled Flight into Terrain
CFR   .   Code of Federal Regulations
COA  .   Certificate of Waiver or Authorization
CPDLC .   Controller Pilot Data Link

Communications

CTAF    Common Traffic Advisory Frequency
CVFP    Charted Visual Flight Procedure
CVRS    Computerized Voice Reservation System
CWA  .   Center Weather Advisory
CWSU  .   Center Weather Service Unit
DA    Decision Altitude
DCA  .   Ronald Reagan Washington National

Airport

DCP  .   Data Collection Package
DER  .   Departure End of Runway

Abbreviations/Acronyms

Appendix 3

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