This online glossary provides a comprehensive list of all major aviation abbreviations.
SAARU |
secondary attitude air data reference unit |
SATCOM |
satellite comminication (system) |
SCU |
signal conditioning unit |
SDM |
speaker drive module |
SDU |
satellite data unit |
sec |
secondary |
SEL |
select |
SELCAL |
selective calling |
SEPC |
secondary electrical power contactor |
SEU |
seat electronics unit |
SOP |
standard operating procedure |
SPM |
surface position monitor |
SPM |
stabiliser position module |
SLV |
synch lock valve |
sta |
station |
STAB |
stabiliser |
STCM |
stabiliser trim control module |
sql |
squelch |
SVC |
service |
SVD |
seat video display |
SVU |
seat video unit |
sw |
switch |
sys |
system |
TAC |
thrust asymmetry compensation |
TACAN |
tactical air navigation system |
TAS |
true airspeed |
tach |
tachmometer |
TAI |
thermal anti-icing |
TARMS |
Threat Assessment and Response Management System |
TAT |
total air temperature |
TB |
track ball |
TBB |
transfer bus breaker |
TCAS |
traffic alert and collision avoidance system |
TCC |
turbine case cooling |
TDU |
telephone distribution unit |
TIC |
turbine impingement cooling |
TLA |
three letter abbreviation! |
TLA |
thrust level angle |
TMCF |
thrust management computing function |
TMCS |
thrust management computing system |
TO/GA |
take-off/go-around |
TPMU |
tyre pressure monitor unit |
TRK |
track |
TRU |
transformer rectifier unit |
T/R |
thrust reverser |
TSA |
tail strike assembly |
TVBC |
turbine vane and blade cooling |
TVC |
turbine vane cooling |