aerospace
347 abbreviations
Abbreviation | Meaning | |
---|---|---|
TORA | take-off run available | |
TOW | take-off weight | |
TOWS | take-off warning system | |
TP | turning point at missed approach | |
TRA | temporary reserved airspace | |
TRACON | terminal radar approach control | |
TTAF | total time air frame | |
TTSN | total time since new | |
TTSO | total time since overhaul | |
TWR | tower | |
TWY | taxiway | |
UAV | unmanned air vehicle | |
UHF | ultra-high frequency | |
UIR | upper information region | |
UTC | Universal Coordinated Time | |
Va | maneuvering speed | |
VASI | visual approach slope indicator | |
VDP | Visual descent point | |
Vfe | maximum flaps extended speed | |
VFR | visual flight rules | |
VHF | very high frequency | |
Vle | maximum landing gear extension sp | |
Vlo | maximum landing gear operating speed | |
VMC | visual meteorological conditions | |
Vmc | minimum control speed | |
Vmo | maximum operating speed | |
VNAV | vertical navigation | |
Vne | never-exceed speed | |
Vno | normal operating speed limit | |
VOR | VHF omnidirectional range | |
Vs | stall speed | |
Vso | stall speed in landing configuration | |
VVI | Vertical velocity indicator (the same as VSI) | |
Vx | best angle of climb speed | |
Vy | best rate of climb speed | |
WAT | weight, altitude, temperature: variables that affect takeoff performance | |
WEF | with effect from | |
WOFW | weight-off-wheels, indicates aircraft is off ground since lift off | |
WONW | weight-on-wheels, indicates aircraft is on ground since touch down | |
XMIT | transmit | |
XPDR | transponder | |
XPNDR | transponder | |
Y | yaw or yaw angle | |
Y/D | yaw damper | |
Z | Zulu Time (UTC) | |
ZFT | zero-fuel time | |
ZFW | zero-fuel weight |