|
Contraction
|
Definition
|
Usage
|
|
T
|
Temperature
|
ICAO
|
|
T
|
trace
(weather reports only)
|
NWS
|
|
T
|
training
|
GEN
|
|
T
|
tropical
(air mass)
|
NWS
|
|
T
|
true
(bearing)
|
GEN
|
|
T/R
|
transportation
request
|
GEN
|
|
TA
|
temperature
(PIREP only)
|
ATC
|
|
TA
|
total
aboard
|
GEN
|
|
TA
|
transition
altitude
|
ICAO
|
|
TAC
|
terminal
area chart
|
GEN
|
|
TACAN
|
tactical
air navigational aid
|
GEN
|
|
TACLO
|
tactical
air command liaison officer
|
GEN
|
|
TACR
|
tactical
air navigation
|
GEN
|
|
TAD
|
ATC tower,
approach and departure control facility
|
ATC
|
|
TAF
|
aerodrome
forecast
|
ICAO
|
|
TAF
|
terminal
forecast
|
METAR
|
|
TAIL
|
tail wind
|
ICAO
|
|
TAND
|
tandum
|
GEN
|
|
TANDA
|
time and
attendance report
|
GEN
|
|
TAO
|
TACAN only
|
ATC
|
|
TAO
|
time and
altitude over
|
ATC
|
|
TAPER
|
temporary
appointment pending establishment of a register
|
GEN
|
|
TAR
|
terminal
area surveillance radar
|
ICAO
|
|
TARND
|
turn
around
|
ATC
|
|
TARS
|
terminal
automated radar services
|
GEN
|
|
TARS
|
Tethered
Aerostat Radar System
|
GEN
|
|
TAS
|
true air
speed
|
GEN
|
|
TASR
|
terminal
area surveillance radar
|
GEN
|
|
TAWOG
|
travel
arrangements without government expense
|
GEN
|
|
TB
|
turbulence
(PIREP only)
|
ATC
|
|
TBJT
|
turbojet
|
GEN
|
|
TC
|
time check
|
ATC
|
|
TC
|
tropical
cyclone
|
ICAO
|
|
TCA
|
terminal
control area
|
GEN
|
|
TCA
|
tactical
customer advocate
|
ATC
|
|
TCAS
|
traffic
alert and collision avoidance system
|
GEN
|
|
TCH
|
threshold
crossing height
|
GEN
|
|
TCHD
|
threshold
crossing height downwind
|
GEN
|
|
TCHU
|
threshold
crossing height upwind
|
GEN
|
|
TCNTL
|
transcontinental
|
GEN
|
|
TCOM
|
terminal
communications
|
GEN
|
|
TCP
|
transfer
of control point
|
ATC
|
|
TCU
|
towering
cumulus
|
NWS
|
|
TD
|
Touchdown
|
ATC
|
|
TD
|
transmitter
distributor
|
GEN
|
|
TDA
|
Today
|
GEN
|
|
TDEL
|
time delay
|
GEN
|
|
TDLS
|
Terminal
Data Link System
|
GEN
|
|
TDO
|
Tornado
|
ICAO
|
|
TDOP
|
Time
Dilution of Precision
|
ATC
|
|
TDWR
|
Terminal
Doppler Weather Radar
|
ATC
|
|
TDY
|
temporary
duty
|
GEN
|
|
TDZ
|
touchdown
zone
|
GEN
|
|
TDZE
|
touchdown
zone elevation
|
ATC
|
|
TDZL
|
touchdown
zone light (system)
|
GEN
|
|
TEC
|
tower en
route control
|
ATC
|
|
TECA
|
tower en
route control area
|
ATC
|
|
TECR
|
technical
reason
|
ICAO
|
|
TEL
|
telecommunications
|
GEN
|
|
TEL
|
Telephone
|
ICAO
|
|
TELAU
|
Teleautograph
|
GEN
|
|
TELCO
|
telephone
company
|
GEN
|
|
TELCON
|
telephone
conference
|
GEN
|
|
TELEX
|
telephone
exchange
|
GEN
|
|
TELRY
|
telegraph
reply
|
GEN
|
|
TEMP
|
Temperature
|
GEN
|
|
TEMPO
|
Temporary
|
METAR
|
|
TEND
|
Trend
|
ICAO
|
|
TERPS
|
terminal
instrument procedures
|
GEN
|
|
TET
|
Tetrahedron
|
GEN
|
|
TF
|
terrain
following
|
GEN
|
|
TFC
|
Traffic
|
GEN
|
|
TFRCD
|
traffic
received
|
ATC
|
|
TFZ
|
traffic
zone
|
GEN
|
|
TGL
|
touch and
go landing
|
GEN
|
|
TGS
|
taxiing
guidance system
|
ICAO
|
|
THD
|
Thunderhead
|
NWS
|
|
THDR
|
Thunder
|
NWS
|
|
THK
|
Thick
|
NWS
|
|
THLD
|
Threshold
|
GEN
|
|
THN
|
Thin
|
NWS
|
|
THR
|
Threshold
|
ATC
|
|
THRFTR
|
Thereafter
|
GEN
|
|
THRU
|
Through
|
GEN
|
|
THRUT
|
Throughout
|
GEN
|
|
THSD
|
Thousand
|
GEN
|
|
THTN
|
threaten
|
GEN
|
|
TIBA
|
Traffic
information broadcast by aircraft
|
ICAO
|
|
TIL
|
until
|
GEN
|
|
TINOP
|
transponder
inoperative
|
ATC
|
|
TIP
|
until past
|
ATC
|
|
TIPS
|
terminal
information processing system
|