ATR Air.Transport.Racking
ATS ( 1 ) Air Traffic Services .
(.2.).Air.Turbine.Starter..
(.3.).Auto.throttle.System..
(.4.).Air.Transport.System
ATSC Air Traffic Service Communication
ATSGF Air Traffic Services Geographic Filter
ATSM Air Traffic Services Message Processor
ATSU Air Traffic Services Unit
ATT Attitude
AUO Airspace User Operations
AUTO Automatic
AUTOTILT Mechanism.that.automatically.tilts.the.weather.
radar.
AUX Auxiliary
AV Audio-Visual
AVAIL Available
AVIONICS Aviation.Electronics:.Any.group.of.aircraft.
electronic.devices.
AVLAN Avionics.Local.Area.Network
AVLC Aviation.VHF.Link.Control
AVM Airborne.Vibration.Monitor
AVOL Aerodrome Visibility Operational Level
AVPAC Aviation.Packet.Communication
AWACS Airborne.Warning.and.Control.System
AWAS Automated.Weather.Advisory.Station
AWG American.Wire.Gauge
AWIN AWIPS
AWM AWO AWOP AWOS
AZ
B BACKCOURSE
Bandwidth
B-RNAV BAP BARO Baron-
Corrected Altitude BATAP BAZ
BB
BCD
BCRS
Aviation.Weather.Information
Advanced.Weather.Interactive.Processing. System Audio.Warning.Mixer
All Weather Operations All Weather Operations Panel Automated Weather Observation System. A
system.that.gathers.surface.weather.information.
and transmits the information to the pilot via VOR, Comm Freq or telephone lines.
Azimuth:.Distance.in.degrees.measured. clockwise.from.North.
At or Below (Altitude suffix)
An.approach.from.the.end.of.the.runway.opposite. the.front.localizer..Normally.in.this.type.of. approach,.there.is.no.glideslope.available.
The.difference.between.the.highest.and.lowest.
frequency components of a signal.
Basic.Area.Navigation Bank.Angle.Protection Barometric Pressure.altitude-corrected.local.barometric.
pressure.
Type.B.Application.to.Application.Protocol
Back.Azimuth:.Same.concept.as.Backcourse. except,.the.pilot.uses.the.Microwave.Landing. System.(MLS)..An.MLS.BAZ.transmitter.on.the.
ground is required.
Base.Band
Backcourse
Binary.Coded.Decimal..A.coding.system.in.which.
each.digit.from.0.to.9.is.represented.by.a.four.bit.
binary.number.
Back.Course
BCS Block Check Sequence. BCS is a cyclic code that is.used.as.reference.bits.in.an.error.detection.
process.
bCSU b@ckCHANNEL.SERVER
BDI Bearing.Distance.Indicator
BDMIS Business.Data.Management.and.Invoicing
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