A
A
A/C
A/D
A/DC
A/R
A/SKID
A/THR
A/XFMR
Information
ABCU
AC
Circuits
ACARS
ACC
ACCEL
ACCLRM
America
ACCU
ACMM
ACMS
Systems
ACP
ACP
ACQN
ACSC
ACT
ACTR
ADC
ADF
ADIRS
ADIRU
ADM
ADR
ADS
ADV
AEVC
AF
AFS
AGB
AGC
AGL
AGW
AIL
AIM
AIP
ALI
ALIGN
ALT
ALTM
ALTN
AM
AMM
AMS
AMU
ANI
ANN
ANN LT
ANO
ANT
AOA
CAB
CAM
CAPT
CAS
CAUT
CAUT LT
CBMS
CBMU
CCS
CCW
CDP
CDU
CFDIU
CFDS
CFMI
CFRP
CG
CGCS
Indicator
CHAN
Amber
Alternate
Aircraft
Analog/Digital
Analog-to-Digital Converter
Audio Reproducer
Anti-Skid
Autothrust
Autotransformer
Interchange
Alternate Braking Control Unit
Alternating Current
AOC
AP
AP/FD
APPR
APPU
APU
ARINC
ARPT
ASCII
Airline Operational Control
Autopilot
Autopilot/Flight Director
Approach
Asymmetry Position Pick Off Unit
Auxiliary Power Unit
Aeronautical Radio Incorporated
Airport
American Standard Code for
ASI
ASIC
Airspeed Indicator
Application Specific Integrated
Aircraft Communication Addressing and Reporting System
Active Clearance Control
ASP
Acceleration/Accelerate
ASSY
Accelerometer
ATA
ASM
Aircraft Schematics Manual
Audio Selector Panel
Assembly
Air Transport Association of
ACCUMULATOR
Abbreviated Component Maintenance Manual
Aircraft Condition Monitoring System
ATC
ATE
ATLAS
Air Traffic Control
Automatic Test Equipment
Abbreviated Test Language for All
Area Call Panel
Audio Control Panel
Acquisition
Air Conditioning System Controller
Active
Actuator
Air Data Computer
Automatic Direction Finder
Air Data/Inertial Reference System
Air Data/Inertial Reference Unit
Air Data Module
Air Data Reference
Air Data System
Advisory
Avionics Equipment Ventilation Computer
Audio Frequency
Automatic Flight System
Accessory Gearbox
Automatic Gain Control
Above Ground Level
Actual Gross Weight
Aileron
Aircraft Integrated Maintenance
Attendant Indication Panel
Airworthiness Limitation Item
Alignment
Altitude
Altimeter
Alternate, Alternative
Amplitude Modulation
Aircraft Maintenance Manual
Aerospace Material Specification
Audio Management Unit
Analog Input
Annunciator
Annunciator Light
Analog Output
Antenna
Angle-of-Attack
Cabin
Cabin Assignment Module
Captain
Calibrated Air Speed
Caution
Caution Light
Circuit Breaker Monitoring System
Circuit Breaker Monitoring Unit
Cabin Communications System
Counter Clockwise
Compressor Discharge Pressure
Control and Display Unit
Centralized Fault Display Interface Unit
Centralized Fault Display System
CFM International
Carbon Fiber Reinforced Plastic
Center of Gravity
Center of Gravity Control System
ATS
ATSU
ATT
ATTND
AUTO
AUX
AVAIL
AVNCS
AWM
AWY
AZ
B
BARO
BAT
BCD
BCL
BFO
BGM
BITE
BMC
BNR
BOT
BP
BRG
BRK
BRKR
BRKT
BRT
BSCU
BTC
BTMU
BTN
BTR
BU
BUS
BYDU
C
C/B
C/L
CSU
CT
CTL
CTL
CTR
CU
CUDU
CUR
CVR
CVT
CW
D/D
D/O
DA
DAC
DAR
DC
DDRMI
Autothrottle System
Air Traffic Service Unit
Attitude
Attendant
Automatic
Auxiliary
Available
Avionics
Aircraft Wiring Manual
Airway
Azimuth
Blue
Barometric
Battery
Binary Coded Decimal
Battery Charge Limiter
Beat Frequency Oscillator
Boarding Music
Built-in Test Equipment
Bleed Monitoring Computer
Binary
Begin of Tape
Bottom Plug
Bearing
Brake
Breaker
Bracket
Bright, Brightness
Braking/Steering Control Unit
Bus Tie Contactor
Brake Temperature Monitoring Unit
Button
Bus Tie Relay
Battery Unit
Busbar
Back-Up Yaw Damper Unit
Close , Celsius, Centigrade
Circuit Breaker
Check List
Command Sensor Unit
Current Transformer
Central
Control
Center
Control Unit
Current Unbalance Detection Unit
Current
Cockpit Voice Recorder
Center Vent Tube
Clockwise
Engine Out Drift Down Point
Description and Operation
Drift Angle
Digital to Analog Converter
Digital ACMS Recorder
Direct Current
Digital Distance and Radio Magnetic
Channel
DEC
Declination
CHG
Change
DECEL
CIDS
Cabin Intercommunication Data System
DECR
CK
Check
DEF
CKPT
Cockpit
DELTA P
CKT
Circuit
DES
CL
Center Line
DEST
CLB
Climb
DET
CLG
Centerline Landing Gear
DEU
CLOG
Clogging
DEV
CLR
Clear
DFDR
CMC
Central Maintenance Computer
DFDRS
System
CMD
Command
DGI
CMM
Component Maintenance Manual
DGO
CMR
Certifification Maintenance Requirements
DH
CNTOR
Contactor
DIA
CO
Company
DIFF
COM
Communication
DIM
COMPT
Compartment
DIR
COMPTR
Comparator
DISC
COND
Conditioned, Conditioning
DIST
CONFIG
Configuration
DMA
CONT
Controller
DMC
CONV
Converter
DME
COOL
Cooling, Cooler
DMU
COS
Cosine
DN
CPC
Cabin Pressure Controller
DNLK
CPLR
Coupler
DPDT
CPMS
Cabin and Passenger Management System
DPI
CPMU
Cabin Passenger Management Unit
DR
CPRSR
Compressor
DRVR
CPU
Central Processing Unit
DSCRT
CRC
Continuous Repetitive Chime
DSDL
CRG
Cargo
DSI
CRS
Course
DSO
CRT
Cathode Ray Tube
DSPL
CRZ
Cruise
DTG
CSD
Constant Speed Drive
DTMF
CSM/G
Constant Speed Motor/Generator
DU
CSTR
Constraint
E
EBU
Engine Built-up Unit
FCTN
ECAM
Electronic Centralized Aircraft Monitoring
FCU
ECB
Electronic Control Box (APU)
FCV
ECM
Engine Condition Monitoring
FD
ECMU
Electrical Contactor Management Unit
FDBK
ECON
Economy
FDIU
ECP
Ecam Control Panel
FDU
ECS
Environmental Control System
FE
ECU
Electronic Control Unit
FF
EEC
Electronic Engine Control
FG
EEPROM
Electrically Eraseable Programmable Read Only Memory
Detection System
EFCS
Electrical Flight Control System
FIFO
EFF
Effective, Effectivity
FIG
EFIS
Electronic Flight Instrument System
FIN
EGIU
Electrical Generation Interface Unit
FIR
EGT
Exhaust Gas Temperature
FL
EIS
Electronic Instrument System
FLEX
EIU
Engine Interface Unit
FLP
EIVMU
Engine Interface and Vibration Monitoring Unit
FLT
ELEC
Electric, Electrical, Electricity
FM
ELEV
Elevation, Elevator
FMA
EMER
Emergency
FMC
EMI
Electromagnetic Interference
FMGC
Computer
END
Endurance
FMGS
System
ENG
Engine
FMS
EO
Engine Out
FMU
EOSID
Engine Out Standard Instrument Departure
FMV
EOT
End of Tape
FO
EPC
External Power Contactor
FOB
EPGS
Electrical Power Generation System
FOD
EPR
Engine Pressure Ratio
FPA
EPROM
Erasable Programmable Read Only Memory
FPEEPMS
Path Marking System
EPSU
Emergency Power Supply Unit
FPPU
EQPT
Equipment
FPV
ESS
Essential
FQ
EST
Estimated
FQI
Indicating/Indication/Indicator
Decelerate
Decrease
Definition
Differential Pressure
Descent
Destination
Detection, Detector
Decoder/Encoder Unit
Deviation
Digital Flight Data Recorder
Digital Flight Data Recording
Digital Input
Digital Output
Decision Height
Diameter
Differential
Dimming, Dimension
Direction, Direct, Director
Disconnect, Disconnected
Distance
Direct Memory Access
Display Management Computer
Distance Measuring Equipment
Data Management Unit
Down
Downlock
Double Pole/Double Throw
Differential Pressure Indicator
Dead Reckoning
Driver
Discrete
Dedicated Serial Data Link
Discrete Input
Discrete Output
Display
Distance to Go
Dual Tone Multiple Frequency
Display Unit
East
Function
Flight Control Unit
Flow Control Valve
Flight Director
Feedback
Flight Data Interface Unit
Fire Detection Unit
Flight Envelope
Fuel Flow
Flight Guidance
FIDS Fault Isolation and
First Input/First Output
Figure
Functional Item Number
Full Indicator Reading
Flight Level
Flexible
Flap
Flight
Flight Management
Flight Mode Annunciator
Flight Management Computer
Flight Management and Guidance
Flight Management and Guidance
Flight Management System
Fuel Metering Unit
Fuel Metering Valve
Fully Open
Fuel On Board
Foreign Object Damage
Flight Path Angle
Floor Proximity Emergency Escape
Feedback Position Pick-off Unit
Flight Path Vector
Fuel Quantity
Fuel Quantity
ETA
Estimated Time of Arrival
ETE
Estimated Time en Route
ETP
Equal Time Point
EVAC
Evacuation
EWD
Engine/Warning Display
EXC
Excitation, Excite
EXCESS
Excessive
EXT
Exterior, External
F
Fahrenheit
F-PLN
Flight Plan
F/O
First Officer
FAC
Flight Augmentation Computer
FADEC
Full Authority Digital Engine Control
FAIL
Failed, Failure
FAP
Forward Attendant Panel
FC
Fully Closed
FCDC
Flight Control Data Concentrator
FCMS
Fuel Control Monitoring System
FCOM
Flight Crew Operating Manual
FCPC
Flight Control Primary Computer
FCSC
Flight Control Secondary Computer
GPCU
Ground Power Control Unit
GPS
Global Positioning System
GPU
Ground Power Unit
Unit
GPWC
Ground Proximity Warning Computer
GPWS
Ground Proximity Warning System
GRP
Geographic Reference Point
GRU
Ground Refrigeration Unit
Organisation
GS
Ground Speed
GSE
Ground Support Equipment
GW
Gross Weight
H
Hot (Electrical Point)
HCU
Hydraulic Control Unit
HDG
Heading
HEGS
Hydraulic Electrical Generating System
HF
High Frequency
HI
High
HLAC
High Level Alternating Current Voltage
HLDC
High Level Direct Current Voltage
HMU
Hydromechanical Unit
HP
High Pressure
HPC
High Pressure Compressor
HPT
High Pressure Turbine
HPTACC
High Pressure Turbine Active Clearance Control
HS
High Speed
HSI
Horizontal Situation Indicator
Unit
HSMU
Hydraulic System Monitoring Unit
Limiter
HUDC
Head Up Display Computer
HYD
Hydraulic
I/O
Input/Output
I/P
Intercept Profile
I/P
Input
IAE
International Aero Engines
IAS
Indicated Airspeed
IBR
Integral Bladed Rotor
ID
Inside Diameter
IDENT
Identification, Identifier, Identify
IDG
Integrated Drive Generator
IDGS
Integrated Drive Generator System
IGB
Inlet Gear Box
IGN
Ignition
IGV
Inlet Guide Vane
Clearance Control
ILS
Instrument Landing System (LOC and G/S)
IMM
Immediate
INB
Inbound
INBD
Inboard
INCR
Increment
IND
Indicator
INFO
Information
INHIB
Inhibition, Inhibit, Inhibited
Transducer
INIT
Initial(ization)
INOP
Inoperative
INR
Inner
INT
Interrupt
INTCP
Intercept
FR
FREQ
FRU
FRV
FSB
FW
FWC
FWD
FWS
G
G/S
GA
GALY
GAPCU
GCR
GCU
GEN
GLC
GLR
GMT
GND
IP
IPC
IPPU
Frame
Frequency
Frequency Reference Unit
Fuel Return Valve
Fasten Seat Belts
Failure Warning
Flight Warning Computer
Forward
Flight Warning System
Green
Glide Slope
Go-Around
Galley
Ground Auxiliary Power Control Unit
Generator Control Relay
Generator Control Unit
Generator
Generator Line Contactor
Generator Line Relay
Greenwich Mean Time
Ground
Intermediate Pressure
Illustrated Parts Catalog
Instrumentation Position Pick-off
IR
IRS
ISA
ISO
Inertial Reference
Inertial Reference System
International Standard Atmosphere
International Standardization
ISOL
IVS
JAM
JAR
L
L
L/G
LA
LAT
LAT
LAV
LBP
LCD
LCIT
LDG
LE
LED
LGCIU
Isolation
Inertial Vertical Speed
Jammed, Jamming
Joint Airworthiness Requirements
Left
Length
Landing Gear
Linear Accelerometer
Lateral
Latitude
Lavatory
Left Bottom Plug
Liquid Crystal Display
Load Compressor Inlet Temperature
Landing
Leading Edge
Light Emitting Diode
Landing Gear Control and Interface
LIM
Limit, Limitation, Limiting,
LKD
LL
LLDC
LMP
LNG
LMS
LO
LOC
LONG
LONGN
LOP
LP
LPC
LPT
LPTACC
Locked
Lat/Long
Low Level Direct Current Voltage
Left Middle Plug
Long
Leakage Measurement System
Low
Localizer
Longitude
Longeron
Low Oil Pressure
Low Pressure
Low Pressure Compressor
Low Pressure Turbine
Low Pressure Turbine Active
LRU
LS
LSB
LSI
LT
LTP
LV
LVDT
Line Replaceable Unit
Loudspeaker
Least Significant Bit
Large Scale Integration
Light
Left Top Plug
Low Voltage
Linear Variable Differential
LVL
LW
LWR
MAC
MAG
Level
Landing Weight
Lower
Mean Aerodynamic Chord
Magnetic
INTFC
INTL
INTRG
INV
MCL
MCT
MCU
MDA
MDDU
MECH
MED
MES
MI
MIC
MICBAC
MID
MIN
MISC
MKR
MLA
MLG
MLI
MLS
MLW
MMEL
MMO
MMR
MODLTR
MON
MORA
MOT
MPD
MRBR
MRW
MSA
MSB
MSG
MSL
MSU
MSW
MTBF
MTBUR
MTG
MTO
MTOGW
MTOW
MU
MUX
MVT
MZFW
System
N
N/A
N/P
N/W
N/WS
NAC
NAS
NAV
NAVAID
NBPT
NC
NCD
PH
PHC
PIU
PMA
PMG
PN
PNL
POB
POR
POS
POT
PPH
PPM
PPOS
PR
PRAM
PREAMP
PRED
Interface
Internal
Interrogate, Interrogator
Inverter
Maximum Climb
Maximum Continuous Thrust
Modular Concept Unit
Minimum Descent Altitude
Multipurpose Disk Drive Unit
Mechanic, Mechanical, Mechanism
Medium
Main Engine Start
Magnetic Indicator
Microphone
Micro-System Bus Access Channel
Middle
Minimum
Miscellaneous
Marker (radio) Beacon
Maneuver Load Alleviation
Main Landing Gear
Magnetic Level Indicator
Microwave Landing System
Maximum Design Landing Weight
Master Minimum Equipment List
Maximum Operating Mach
Multi Mode Receiver
Modulator
Monitor, Monitoring, Monitored
Minimum Off Route Altitude
Motor, Motorized
Maintenance Planning Document
Maintenance Review Board Report
Maximum Ramp Weight
Minimum Safe Altitude
Most Significant Bit
Message
Mean Sea Level
Mode Selector Unit (IRS)
Microswitch
Mean Time Between Failure
Mean Time Between Unscheduled Removals
Mounting
Maximum Take-Off
Maximum Takeoff Gross Weight
Maximum Design Takeoff Weight
Management Unit
Multiplex, Multiplexer
Movement
Maximum Design Zero Fuel Weight
MAINT
MAN
MAX
MCDU
ND
NDB
NEG
NLG
NMI
No
NO
NO
NORM
NS
NUM
NVM
N1
N2
O
O/P
OAT
OBRM
OC
OC
OD
OF
OFST
OGV
OHU
OIT
OK
OMS
OOT
OP
OPP
OPS
OPT
OPV
OUTBD
OVBD
OVHD
OVHT
OVLD
OVRD
OVSP
OXY
P/B
P/BSW
PA
PATS
Maintenance
Manual
Maximum
Multipurpose Control & Display Unit
Navigation Display
Non-Directional Beacon
Negative
Nose Landing Gear
Non Maskable Interrupt
Number
Normally Open
Normal Operation in SSM
Normal
No Smoking
Numerical
Non-Volatile Memory
Low Pressure Rotor Speed
High Pressure Rotor Speed
Open
Output
Outside Air Temperature
On Board Replaceable Module
Open Circuit
Overcurrent
Outside Diameter
Overfrequency
Offset
Outlet Guide Vane
Optical Head Unit
Oil Inlet Temperature
Correct
Onboard Maintenance System
Oil Outlet Temperature
Operational
Opposite
Operation
Optimum
Overpressure Valve
Outboard
Overboard
Overhead
Overheat
Overload
Override
Overspeed
Oxygen
Pushbutton
Pushbutton Switch
Passenger Address
Passenger Air-to-Ground Telephone
Normal, North
Not Applicable
Next Page
Nose Wheel
Nose Wheel Steering
Nacelle
Navy and Army Standard
Navigation
Navigation Aid
No Break Power Transfer
Normally Closed
No Computed Data
Phase
Probe Heat Computer
Passenger Information Unit
Permanent Magnet Alternator
Permanent Magnet Generator
Part Number
Panel
Pressure-Off Brake
Point of Regulation
Position
Potentiometer
Pounds per hour
Parts per million
Present Position
Power Ready Relay
Prerecorded Announcement and Music
Preamplifier
Prediction
PAX
PC
PCB
PCM
PCU
PCU
PD
PED
PERF
PES
PF
PFD
RA
RAC
RACC
RACSB
RAD
RAM
RAT
RBP
RC
RCC
RCCB
RCDR
RCL
RCPT
RCPTN
RCVR
RECIRC
RECT
Passenger
Pack Controller
Printed Circuit Board
Pulse Code Modulation
Passenger Control Unit
Power Control Unit
Pitch Diameter
Pedestal
Performance
Passenger Entertainment (System)
Power Factor
Primary Flight Display
Radio Altimeter, Radio Altitude
Rotor Active Clearance
Rotor Active Clearance Control
Rotor Active Clearance Start Bleed
Radio
Random Access Memory
Ram Air Turbine
Right Bottom Plug
Repetitive Chime
Remote Charge Converter
Remote Control Circuit Breaker
Recorder
Recall
Receptacle
Reception
Receiver
Recirculate, Recirculation
Rectifier
PRESEL
Preselector/Preselection
PRESS
Pressure, Pressurization, Pressurize
PREV
Previous
PRIM
Primary
PROC T
Procedure Turn
PROF
Profile
PROG
Progress
PROM
Programmable Read Only Memory
PROT
Protection
PROX
Proximity
PRR
Power Ready Relay
PSCU
Proximity Switch Control Unit
PSDU
Power Supply Decoupling Unit
PSI
Pound per Square Inch
PSIA
Pound per Square Inch Absolute
PSIG
Pound per Square Inch Gauge
PSS
Passenger Services System
PSU
Passenger Service Unit
PT
Point
PTC
Positive Temperature Coefficient
PTT
Push to Test
PTT
Push-to-Talk
PU
Panel Unit
PVI
Paravisual Indicating
PVIS
Passenger Visual Information System
PWR
Power
P&W
Pratt & Whitney
Q
Pitch Rate
QAD
Quick-Attach-Detach
Transducer
QAR
Quick Access Recorder
QAT
Quadruple ARINC Transmitter
QEC
Quick Engine Change
QFE
Field Elevation Atmospheric Pressure
QFU
Runway Heading
QNE
Sea Level Standard Atmosphere Pressure
QNH
Sea Level Atmospheric Pressure
QTY
Quantity
R
Red
R
Right
R/I
Radio/Inertial
Concentrator
SDCU
Smoke Detection Control Unit
SDN
System Description Note
SEB
Seat Electronic Box
SEC
Secondary
SEL
Select, Selected, Selector, Selection
SELCAL
Selective Calling System
SFCC
Slat Flap Control Computer
SH ABS
Shock Absorber
SHED
Shedding
SHT
Short
SIC
System Isolation Contactor
SID
Standard Instrument Departure
SIG
Signal
SLT
Slat
SMK
Smoke
SN
Serial Number
SOL
Solenoid
SOV
Shut-Off Valve
SPD
Speed
SPLY
Supply
SPMC
Service Process Material Control
SPOP
Service Process Operation Procedure
SQ
Squelch
SRU
Shop Replaceable Unit
SSB
Single Side Band
SSEC
Static Source Error Correction
SSM
Sign Status Matrix
SSTU
Side Stick Transducer Unit
STA
Station
STAB
Stabilizer
STAR
Standard Terminal Arrival Route
STAT
Static
STBY
Standby
STD
Standard
STGR
Stringer
STS
Status
SVA
Stator Vane Actuator
SVCE
Service
SW
Switch
RED
REF
REFUEL
REG
REL
RES
RET
REV
REV
RF
RFS
RLA
RLS
RLY
RMP
RNG
ROM
RPLNT
RPM
RQRD
RST
RSV
RSVR
RTE
RTN
RTP
RTS
RUD
RVDT
Reduction
Reference
Refueling
Regulator
Release
Resistance
Return
Reverse
Revise, Revision
Radio Frequency
Regardless of Feature Size
Reverser Lever Angle
Remote Light Sensor
Relay
Radio Management Panel
Range
Read Only Memory
Repellent
Revolution per Minute
Required
Reset
Reserve
Reservoir
Route
Return
Right Top Plug
Return to Seat
Rudder
Rotary Variable Differential
RVR
RWY
S
S/C
S/D
SAF
SAT
SB
SC
SD
SDAC
Runway Visual Range
Runway
South
Step Climb
Step Descent
Safety
Static Air Temperature
Service Bulletin
Single Chime
System Display
System Data Acquisition
TEC
TEMP
TFU
TGT
THR
THRM
THS
TIT
TK
TKE
TLA
TLU
TMR
TO
TOGW
TOT
TPIC
TPIS
TR
TRA
TRANS
TRDV
TRF
TRIG
TRK
TROPO
TRPV
TRV
TSFC
TSM
TTG
TTL
TTS
TURB
TVBC
UF
UHF
UNLK
UNLKD
Turbine Exhaust Case
Temperature
Technical Follow-Up
Target
Thrust
Thermal
Trimmable Horizontal Stabilizer
Turbine Inlet Temperature
Tank
Track Angle Error
Throttle Lever Angle
Travel Limitation Unit
Timer
Takeoff
Takeoff Gross Weight
Total
Tire Pressure Indicating Computer
Tire Pressure Indicating System
Transformer Rectifier
Throttle Resolver Angle
Transition
Thrust Reverser Directional Valve
Turbine Rear Frame
Trigger
Track (angle)
Tropopause
Thrust Reverser Pressurizing Valve
Travel
Thrust Specific Fuel Consumption
Trouble Shooting Manual
Time to Go
Transistor Transistor Logic
Trim Tank System
Turbulent, Turbulence
Turbine Vane And Blade Cooling
Underfrequency
Ultra High Frequency
Unlock
Unlocked, Unlocking
SWTG
SYNTHR
SYS
T
T/C
T/D
T/R
T-P
TACT
TAS
TAT
TBC
TBD
TCA
TCAS
T2CAS
TCC
TDS
TE
VFTO
VHF
VHV
VIB
VLE
VLO
VLS
VM
VMAX
VMO
VOR
VOR.D
VR
VRMS
VRS
VSC
VSCF
VSV
VSWR
V1
V2
V3
V4
W
W
WARN
WBC
WBS
WD
WHC
WHL
WIPCU
WIPDU
WPT
WTB
WXR
X FEED
X-TALK
XCVR
XDCR
XFMR
XFR
XMSN
XMTR
XPDR
Y
Z
ZFCG
ZFW
3D
4D
Switching
Synthetizer
System
True, Turn
Top of Climb
Top of Descent
Thrust Reverser
Turn Point
Tactical
True Airspeed
Total Air Temperature
To Be Confirmed
To be Determined
Turbine Cooling Air
Traffic Alert and Collision Avoidance System
Traffic and Terrain Collision Avoidance System
Turbine Case Cooling
Technical Data Sheet
Trailing Edge
Final Takeoff Speed
Very High Frequency
Very High Voltage
Vibration
Maximum Landing Gear Extended Speed
Maximum Landing Gear Operating Speed
Lower Selectable Speed
Voltmeter
Maximum Allowable Airspeed
Maximum Operating Speed
VHF Omnidirectional Range
VOR-DME
Rotation Speed
Volt Root Mean Square
V2500 Repair Scheme
Vacuum System Controller
Variable Speed Constant Frequency
Variable Stator Vane
Voltage Standing Wave Ratio
Critical Engine Failure Speed
Takeoff Safety Speed
Flap Retraction Speed
Slat Retraction Speed
Weight
White
Warning
Weight & Balance Computer
Weight and Balance System
Warning Display
Window Heat Computer
Wheel
Water Ice Protection Control Unit
Water Ice Protection Data Unit
Waypoint
Wing Tip Brake
Weather Radar
Crossfeed
Cross-Talk
Transceiver
Transducer
Transformer
Transfer
Transmission
Transmitter
Transponder
Yellow
Zone
Zero Fuel Center of Gravity
Zero Fuel Weight
Three Dimensional (Lat, Long, Alt)
Four Dimensional (Lat, Long, Alt, Time)
UNSD
UPR
UTC
UV
V/S
Vc
VAC
VAR
VBV
VC
VCO
VCU
VDC
VDEV
VDR
VEL
VENT
VERT
VFE
Unused
Upper
Universal Time Coordinated
Under Voltage
Vertical Speed
Calibrated Airspeed
Voltage Alternating Current
Variable, Variation
Variable Bleed Valve
Ventilation Controller
Voltage Controlled Oscillator
Video Control Unit
Voltage Direct Current
Vertical Deviation
VHF Data Radio
Velocity
Ventilation
Vertical
Maximum Flat Extended Speed