Contactor
RCCB Remote Controlled Circuit
Breaker
RCDR Recorder
RCVR Receiver
R/D Refuel/Defuel
RDCP Refuel/Defuel Control Panel
RDR Radar
REC Receiver, Recorder
RECIRC Recirculation
RECOG Recognition
REF(s) Reference(s)
REFL Refuel
REV Reverse
RH Right Hand
RMI Radio Magnetic Indicator
RMU Radio Management Unit
ROT Rotation
RPM Revolutions Per Minute
RSB Radio System Bus
RT, R/T Receiver-Transmitter
RTE Route
RTE DATA Route Data
RTO Rejected Take-off
RTU Radio Tuning Unit
RUD Rudder
RVR Runway Visual Range
RVSR Reverser
RW Right Wing
RWD Right Wing Down
RWY Runway
S
S Status
SAT Static Air Temperature
SBY, STBY Standby
SCAV Scavenge
SCR Selector (Nav source)
SCV Surge Control Valve
SEC Second, Secondary
SEL Select, Selector
SELCAL Selected Call
SENS Sensitivity, Sensor
SERV, SVCE Service
SFCU Slats and Flaps Control Unit
SID Standard Instrument
Departure
SMKG Smoking
SOV Shut-off Valve
SP, SPD Speed
SPC Stall Protection Computer
SPKR Speaker
SPLR(s) Spoiler(s)
SPS Stall Protection System
SQ Squelch
SSB Single Side Band
STA Station
STAB Stabilizer
STAT Status
STD Standard
STEER Steering
SUPPL Supply
SW(s) Switches
SYN Synchronize
SYNC Synchronous
SYS, SYST System
T
T/C Top of Climb
T/D Top of Descent
TA Traffic Advisory (TCAS)
TACAN UHF Tactical Air Navigation
Aid
TAS True Airspeed
TAT Total Air Temperature
TCAS Traffic Alert and Collision
Avoidance System
TCS Touch Control Steering
TE Trailing Edge
TEMP Temperature
TGT Turbine Gas Temperature or
Target
TLC TRU Line Contactor
TMS Thermal Management
System
TO, T/O Take-off
TOL Tolerance
T/R Thrust Reverser
TRB, TURB Turbulence
TRK Track
TRM Trim
TRU Transformer Rectifier Unit
TST Test
TTC TRU Transfer Contactor
U
UNSCHD Unscheduled
USB Upper Side Band
USG United States Gallons
UTIL Utility
V
V Volt
VA Design Maneuvering Speed
VB Design Speed for Maximum
Gust Intensity
VC Design Cruising Speed
VD Design Diving Speed
VDF/MDF Demonstrated flight diving
speed
VEF Engine Failure Speed
VF Design Flap Speed
VFC/MFC Maximum Speed for Stability
Characteristics
VFE Maximum Flap Extended
Speed
VLE Maximum Landing Gear
Extended Speed
VLO Maximum Landing Gear
Operating Speed
VLOF Lift-off Speed
VMC Minimum Control Speed with
the Critical Engine
Inoperative
VMO/MMO Maximum Operating Limit
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