the Aviation Dictionary

SMGCS - surface movement
guidance control system
SMPS - sector maintenance
processor subsystem
SMS - simulation modeling
system
SNR - signal to-noise ratio
SNR or S/N -signal
ratio
to noise
SOC - service oversight center
SODA -statement of
demonstrated ability
SOIR - simultaneous operations
on intersecting runways
SOIWR - simultaneous
operations on intersecting wet
runways
SPEC1 - aviation selected
special weather report
SPR - single point refueling
SPS - standard positioning
service
SRAP - sensor receiver and
processor
SRL - single red line (computer)
SSALF - SSALS with sequenced
flashers
SSALR - simplified short
approach lighting system
SSALS - simplified short
approach light system
SSALSR - simplified short
approach light system with
runway alignment indicator
lights
SSB - single side band
SSB - split system breaker
SSI - small-scale integration
SSU - Saybolt Seconds
Universal
STAR - standard terminal arrival
STAR - standard terminal arrival
route
STC - Supplemental Type
Certificate
STD - standard
STMP - special traffic
management program
STMUX - statistical data
multiplexer
STOL - short takeoff and
landing
STOVL - short takeoff and
vertical landing
SURPIC - surface picture
SVFR - special VFR
SVFR - special visual flight
rules
SWSL - supplemental weather
service
T - Temperature (Absolute).
T - Thrust.
TIMUX - TI multiplexer
TIR - thrust reverser system
TA - traffic advisory
TAA - terminal arrival area
TAAS - terminal advance
automation system
TAC - terminal area chart
TACAN - tactical air navigation
TACAN - Tactical Air
Navigation System
TACR - TACAN at VOR,
TACAN only
TAF - aviation terminal forecast
TAI - tail anti-ice
TARS - terminal automated
radar service
TAS - true airspeed
TAT -total air temperature
TATCA - terminal air traffic
control automation
TAVT -terminal airspace
visualization tool
TBO - time between overhaul
TC - true course
TCA -terminal control area
TCA - Traffic Control Airport or
Tower Control Airport
TCACCIS - Transportation
Coordinator Automated
Aircraft Technical Book Company
P.O. Box 270
Tabernash, CO 80478
http:llwww.ACTechbooks.com
Command and Control
Information System
TCAS - Traffic Alert and
Collision Avoidance System
TCAS I1 -traffic collision
avoidance system
TCC - DOT Transportation
Computer Center
TCCC -tower control computer
complex
TCE -tone control equipment
TCH - threshold crossing height
TCH - threshold crossing height
TCLT - tentative calculated
landing time
TCO - Telecommunications
Certification Officer
TCOM - terminal
communications
TCS -tower communications
system
TD - time difference
TDC -top dead center
TDLS -tower data link services
TDMUX - time division data
multiplexer
TDWR - terminal Doppler
weather radar
TDZL -touchdown zone lights
TEC -tower enroute control
TEHP - Thrust Equivalent Horse
Power.
TELCO -telephone company
TELMS - Telecommunications
Management System
TEL-TWEB - telephone access
to TWEB
TEMAC -trailing edge of the
mean aerodynamic chord
TERPS -terminal instrument
procedures
TET - Turbine Entry
Temperature.
TFAC -to facility
TGT - turbine gas temperature