Abbreviations Q-Z Flashcards
QFE
Field Elevation Atmospheric Pressure
QFU
Runway Heading
QNH
Sea Level Atmospheric Pressure
QRH
Quick Reference Handbook
QTY
Quantity
R
Right
RA
Radio Altimeter, Resolution Advisory
RAD
Radio
RAM
Random Access Memory
RAT
Ram Air Turbine
RCAM
Runway Condition Assessment Matrix
RBCU
Remote Braking Control Unit
RCCB
Remote Control Circuit Breaker
RCDR
Recorder
RCL
Recall
RCO
Remote Communications Outlet
RCP
Required Communication Performance
REACT
Rain Echo Attenuation Compensation Technique
REC
Recommended
RED
Reduction
REF
Reference
REG
Registration
REGUL
Regulation
REV
Revise, Revision, Reverse
RF
Radius to Fix
RFCF
Runway Field Clearance Floor
RGAU
Rate Gyrometer and Accelerometer Unit
RH
Right Hand
RLA
Roll Load Alleviation
RLD
Required Landing Distance
RMP
Radio Management Panel
RNAV
Area Navigation
RNG
Range
RNP
Required Navigation Performance
RNP AR
Required Navigation Performance with Authorization Required
RNV
Area Navigation
ROC
Rate of Climb
ROD
Rate of Descent
ROP
Runway Overrun Protection
ROT
Runway Occupancy Time
ROW
Runway end Overrun Warning
RPTG
Reporting
RSP
Required Surveillance Performance
RST
Reset
RSV
Reserve
RSVR
Reservoir
RTA
Required Time of Arrival
RTE
Route
RTO
Rejected Takeoff
RTU
Radar Transceiver Unit
RVR
Runway Visual Range
RVSM
Reduced Vertical Separation Minimum
RWY
Runway, Runway Mode
RWYCC
Runway Condition Code
RWY TRK
Runway Track Mode
S
Minimum Slat Retract Speed, South
S/C
Step Climb
S/D
Step Descent
S/G
Starter Generator
SACU
Semi-Automatic Control Unit
SAOHE
Surface Air/Oil Heat Exchanger
SAR
Search And Rescue
SAT
Static Air Temperature
SATCOM
Satellite Communication
SB
Service Bulletin
SBAS
Satellite Based Augmentation System
SC
Single Chime
SCI
Secure Communication Interface
SCS
Supplemental Cooling System
SD
System Display
SDF
Smoke Detection Function, Simplified Directional Facility
SDU
Satellite Data Unit
SDP
Steering Disconnect Panel
SDS
Smoke Detection System
SEC
Secondary Flight Control Computer, Secondary Flight Plan
SEL
Select
SELCAL
Selective Calling
SFCC
Slat Flap Control Computer
SFD
Standby Flight Display
SG
Starter Generator
SGCU
Starter Generator Control Unit
SGS
Starter Generator System
SHED
Shedding
SID
Standard Instrument Departure
SLS
Satellite Landing System
SMI
Stall Margin Indicator
SND
Standby Navigation Display
SOH
Summary Of Highlights
SOP
Standard Operating Procedure
SP
Space
SPD
Speed
SPDLIM
Speed Limit
SPLR
Spoiler
SPU
Starter Power Unit
SQWK
Squawk
SR
Specific Range
SRS
Speed Reference System
SS
Seconds (entry format), Sky/Shading
SSA
Sideslip Angle
SSB
Single Side Band
SSPC
Solid State Power Controller
STAR
Standard Terminal Arrival Route
STAT
Static
STBY
Standby
STD
Standard
STEER
Steering
STS
Status
SURV
Surveillance
SVCE
Service
SWY
Stopway
SYS
System
T-P
Turning Point
T.O
Takeoff
T.WIND
True Wind
T/C
Top of Climb
T/D
Top of Descent, Touchdown
TA
Traffic Advisory
TAB
Temporary Abnormal Behavior
TAC
Taxiing Aid Camera
TACAN
Tactical Air Navigation
TAD
Terrain Awareness and Display
TAS
True Airspeed
TASOV
Trim Air Shut-Off Valves
TAT
Total Air Temperature
TAU
Estimated Time to Intercept
TAV
Trim Air Valve
TAWS
Terrain Awareness and Warning System
TCAS
Traffic Alert and Collision Avoidance System
TCF
Terrain Clearance Floor
TCH
Threshold Crossing Height
TCV
Temperature Control Valve
TDU
Temporary Documentary Unit
TEL
Telephone
TEMP
Temperature
TERML
Terminal
TERR
Terrain
TFLEX
Flex Temperature
THR
Thrust
THS
Trimmable Horizontal Stabilizer
TK
Tank
TMAX
Maximum Temperature
TMPY
Temporary
TO
Takeoff
TOC
Top Of Climb
TOCG
TakeOff Center of Gravity
TOD
Takeoff Distance, Top Of Descent
TODA
Takeoff Distance Available
TOGA
Takeoff/Go-Around
TOM
Takeoff Monitoring
TOR
Takeoff Run
TORA
Takeoff Run Available
TOS
Takeoff Surveillance
TOW
Takeoff Weight
TPIS
Tire Pressure Indicating System
TR
Transformer Rectifier
TRAJ
Trajectory
TRANS
Transition
TREF
Reference Temperature, Flat-Rating Temperature
TRK
Track
TROPO
Tropopause
TRU
Transformer Rectifier Unit
TURB
Turbulence
TWDC
Tank Wall Data Concentrator
UERF
Uncontained Engine Rotor Failure
USB
Universal Serial Bus
UTC
Universal Time Coordinated
V/S
Vertical Speed
V1
Decision Speed, Critical Engine Failure Speed
V2
Takeoff Safety Speed
VA
Maximum Design Maneuvering Speed
VAPP
Approach Speed
VBV
Variable Bleed Valve
VCRU
Vapor Cycle Refrigeration Unit
VCS
Ventilation Control System
VD
Vertical Display, Maximum Dive Speed
VDEV
Vertical Deviation
VENT
Ventilation
VERT
Vertical
VERT REV
Vertical Revisor
VFE
Maximum Flap Extended Speed
VFG
Variable Frequency Generator
VFR
Visual Flight Rules
VHF
Very High Frequency
VIGV
Variable Inlet Guide Valve
VLE
Maximum Landing Gear Extended Speed
VLO
Maximum Landing Gear Operating Speed
VLOF
Liftoff Speed
VLS
Lowest Selectable Speed
VLV
Valve
VMAX
Maximum Allowable Speed
VMC
Visual Meteorological Conditions
VMCA
Minimum Control Airspeed in Flight / Minimum Control Airspeed in the Air
VMCG
Minimum Control Airspeed on Ground
VMCL
Minimum Control Airspeed for Landing
VMO
Maximum Operating Speed
VMU
Minimum Unstick Speed
VNAV
Vertical Navigation
VOR
VHF Omnidirectional Range
VORTAC
Co-Located VOR and TACAN
VR
Rotation Speed
VRA
Recommended Turbulence Penetration Speed
VREF
Landing Reference Speed
VS
Reference Stalling Speed
VSA
Visual Separation Approach
VS1G
Stall Speed with a Load Factor of 1 g
VSMIN
Reference Stall Speed
VSV
Variable Stator Vanes
VV
Velocity Vector
VQAR
Virtual Quick Access Recorder
WACS
Wireless Airport Communication System
WADU
Weather Antenna Drive Unit
WARN
Warning
WBM
Weight and Balance Manual
WBBC
Weight and Balance Backup Computer
WD
Warning Display
WGS
World Geodetic System
WHC
Window Heating Computer
Wi-Fi
Wireless Fidelity
WIPS
Wing Ice Protection System
WPT
Waypoint
WSCS
Wheel Steering Control System
WTB
Wing Tip Brake
WX
Weather Mode
WXR
Weather Radar
WV
Weight Variant
XCHECK
Cross Check
XFR
Transfer
XLS
x Landing System (e.g. ILS, GLS, …)
XPDR
Transponder
XTK
Cross Track
ZFCG
Zero Fuel Center of Gravity
ZFW
Zero Fuel Weight
ZFWCG
Zero Fuel Weight Center of Gravity