|
A |
Ampere |
|
|
A/C |
Aircraft Commander |
|
|
A/C |
Aircraft |
|
|
A/D |
Aerodrome |
|
|
A/P |
airplane (US), aeroplane (ICAO) |
|
|
A/T |
autothrottle |
|
|
ACARS |
Aircraft Communication and Addressing Reporting System |
|
|
ACAS |
Airborne Collision Avoidance System |
|
|
ACC |
Active Clearance Control |
|
|
ACFT |
Aircraft |
|
|
ACI |
Airports Council International |
|
|
ACMS |
Aircraft Condition Monitoring System |
|
|
ACMS |
Attitude Control & Measurement Subsystem |
|
|
AD |
airworthiness directives (FAA) |
|
|
ADA |
Advisory Area |
|
|
ADC |
Analog-Digital Converter |
|
|
ADC |
Air Data Computer |
|
|
ADF |
Automatic Direction Finder |
|
|
ADS |
automatic dependent surveillance |
|
|
ADV |
German Airports Association |
|
|
AFCS |
Automatic Flight Control System |
|
|
AFDS |
Autopilot Flight Director System |
|
|
AFE |
Above Field Elevation |
|
|
afrl |
Air Force Research Laboratories |
|
|
AFS |
Aeronautical Fixed Service |
|
|
AFT |
Aircraft Financing & Trading |
|
|
aft |
Aircraft Finance Trust |
|
|
AFT |
Aircraft Fatigue Test |
|
|
AFTN |
Aeronautical Fixed Telecommunication Network |
|
|
AGL |
Above Ground Level |
|
|
AHF |
Attitude History File |
|
|
AHRS |
Attitude Heading Reference System |
|
|
AIP |
Aeronautical Information Publication |
|
|
AIRAC |
Aeronautical Information Regulation and Control |
|
|
ALI |
Airworthiness Limitation Item |
|
|
ALS |
approach lighting system |
|
|
AMO |
Approved Maintenance Orginaization |
|
|
AMSL |
Above Mean Sea Level |
|
|
ANSI |
American National Standards Institute, Inc. |
|
|
ANSP |
Air Navigation Service Provider |
|
|
AOA |
Angle Of Attack |
|
|
AOC |
Air Operator's Certificate |
|
|
AOG |
Aircraft On Ground |
|
|
AOM |
airport operating minima |
|
|
AP |
Autopilot |
|
|
API |
Application Programming Interface |
|
|
APID |
Application Program Identifier |
|
|
APPL |
Augmented Preprogrammed Pointing List |
|
|
APT |
Airport |
|
|
APU |
Auxiliary Power Unit |
|
|
ar |
Authorization Required |
|
|
ARD |
Autonomous Rendezvous and Docking |
|
|
ARINC |
Aeronautical Radio Incorporated |
|
|
ASAS |
Airborne Separation Assurance System |
|
|
ASCII |
American National Standard Code for Information Interchange |
|
|
ASDA |
Association for Scientific Development of Air Traffic Management in Europe |
|
|
ASI |
Airspeed Indicator |
|
|
ASL |
Above Sea Level |
|
|
ASM |
Airspace Management |
|
|
ata |
Air Traffic Association |
|
|
ATC |
Air traffic control |
|
|
ATFM |
air traffic flow management |
|
|
ATIS |
Automatic Terminal Information Service |
|
|
ATM |
Air Traffic Manager |
|
|
ATN |
Aeronautical Telecommunication Network |
|
|
ATPL |
Airline Transport Pilot Licence |
|
|
ATS |
Air Traffic Service |
|
|
B |
Byte |
|
|
b |
Bit |
|
|
BC |
Back Course |
|
|
BEM |
Back End Modules |
|
|
BEU |
Back End Unit |
|
|
BPR |
Bypass Ratio |
|
|
BTB |
Back-To-Back |
|
|
BWC |
Bird Watch Condition |
|
|
CAA |
Civil Aviation Authority |
|
|
CAME |
Continuing Airworthiness Management Exposition |
|
|
CAMO |
Continuing Airworthiness Management Organisation |
|
|
CANSO |
Civil Air Navigation Services Organisation |
|
|
CAS |
Column Address Strobe |
|
|
CDI |
Course Deviation Indicator |
|
|
CDIO |
Conceive Design Implement Operate |
|
|
CDMS |
Command and Data Management System |
|
|
CDMU |
Command and Data Management Unit |
|
|
CDR |
Critical Design Review |
|
|
CDU |
control/display unit |
|
|
CFIT |
Controlled Flight into Terrain |
|
|
CFR |
Certified Federal Regulations |
|
|
CG |
Center of Gravity (DXS) |
|
|
CLK |
Hardware timer driven HWI |
|
|
cm |
Centimeter |
|
|
CMB |
Cosmic Microwave Background |
|
|
CMV |
Converted Meteorological Visibility |
|
|
CoP |
Commissioning Phase |
|
|
COTS |
Commercial Off the Shelf Software |
|
|
CPDLC |
Controller–pilot data link communications |
|
|
CPV |
Calibration and Performance Verification |
|
|
CRC |
Cyclic Redundancy Codes |
|
|
CSA |
Canadian Space Agency |
|
|
CSL |
Centre Spatial de Liège |
|
|
CTAF |
Common Traffic Advisory Frequency |
|
|
CTR |
Central Time Reference |
|
|
CUC |
CCSDS Unsegmented Time Code |
|
|
CVR |
Cockpit Voice Recorder |
|
|
DA/H |
decision altitude/height |
|
|
DAE |
Data Acquisition Electronics |
|
|
DARPA |
Defense Advanced Research Projects Agency (US) |
|
|
DCE |
Dilution Cooler Electronics |
|
|
DDS |
Data Distribution System |
|
|
DEG |
Degree |
|
|
DER |
Designated Engineering Representative |
|
|
DER |
Departure End of Runway |
|
|
DG |
Directional Gyroscope |
|
|
DGR |
Dangerous Goods Regulation |
|
|
DLS |
Dynamic Load Sensors experiment |
|
|
DMC |
Data Management Component |
|
|
DME |
Distance Measuring Equipment |
|
|
DOD |
United States Department of Defense |
|
|
DOF |
degree of freedom |
|
|
DOW |
Dry Operational Weight |
|
|
DPC |
Data Processing Center |
|
|
DPU |
data processing unit |
|
|
DQR |
Daily Quality Report |
|
|
DR |
Dead Reckoning |
|
|
DR2000 |
RFM Monolithics transceiver module |
|
|
DSP |
Digital Signal Processor |
|
|
DSS |
Distributed Satellite Systems |
|
|
DTCP |
Daily Tele-Communication Period |
|
|
DUATS |
Direct User Access Terminal Service |
|
|
DWC |
dog watch condition |
|
|
E-LSA |
experimental light-sport aircraft |
|
|
EAS |
Equivalent Airspeed |
|
|
EASA |
European Aviation Safety Agency |
|
|
ECAM |
Electronic Centralised Aircraft Monitor |
|
|
ecet |
End of Civil Evening Twilight |
|
|
EFIS |
Electronic Flight Instrument System |
|
|
EGPWS |
Enhanced Ground-Proximity Warning System |
|
|
EGT |
Exhaust Gas Temperature |
|
|
EICAS |
engine-indicating and crew-alerting system |
|
|
ELT |
Emergency Locator Transmitter |
|
|
EOBT |
estimated off-blocktime |
|
|
EOL |
End Of Life |
|
|
EPR |
Engine Pressure Ratio |
|
|
ercsc |
Early Release Compact Source Catalog |
|
|
ESA |
Emergency Safe Altitude |
|
|
ESA |
European Space Agency |
|
|
ESTEC |
European Space TEchnology and Research Centre |
|
|
ETOPS |
Extended-range Twin-engine Operation Performance Standards |
|
|
ETP |
Equal Time Point |
|
|
EUROCAE |
European Organisation for Civil Aviation Equipment |
|
|
EW |
Empty Weight |
|
|
F |
Farad (SI Unit Of Capacitance) |
|
|
FAA |
Federal Aviation Administration |
|
|
FADEC |
Full Authority Digital Engine Control |
|
|
FAF |
Final Approach Fixes |
|
|
FANS |
Future Air Navigation System |
|
|
FAP |
Final Approach Point |
|
|
FAROS |
Final Approach Runway Occupancy Signal |
|
|
fato |
Final Approach and Take Off |
|
|
FBO |
fixed base operator |
|
|
FBW |
Fly-by-Wireless |
|
|
FCOM |
flight crew operating manual |
|
|
FD |
Flight Director |
|
|
FDIR |
Fault Detection, Identification and Recovery |
|
|
FDM |
Flight Data Monitoring |
|
|
FDR |
Flight Data Recorder |
|
|
FEM |
Front End Module |
|
|
FEP |
Final End Point |
|
|
feu |
Front End Unit |
|
|
FH |
Feed Horn |
|
|
FIR |
Flight Information Region |
|
|
FITS |
Flexible Image Transfer Specification |
|
|
FL |
Flight Level |
|
|
FLASH |
Type of electrically erasable programmable read only memory |
|
|
FLOPS |
Billion Floating Point Operations Per Second |
|
|
FMC |
Flight Management Computer |
|
|
FMS |
Flight management system |
|
|
FOG |
Fiber Optic Gyroscope |
|
|
FOO |
flight operation officer |
|
|
FOQA |
Flight Operational Quality Assurance |
|
|
FOV |
Field-Of-View |
|
|
FPA |
Flight Path Angle |
|
|
FPGA |
Field-Programmable Gate Array |
|
|
FPL |
Filed Flight Plan |
|
|
FPU |
Focal Plane Unit |
|
|
FSF |
Flight Safety Foundation |
|
|
FSS |
Flight Service Station |
|
|
FT |
Feet |
|
|
FWHM |
Full-Width-at-Half-Maximum |
|
|
G |
Gravity |
|
|
G/S |
glideslope |
|
|
GA |
go-around |
|
|
GA |
General Aviation |
|
|
GCA |
Ground-controlled approach |
|
|
GEA |
Ground effect area |
|
|
GFLOPS |
Giga FLOPS |
|
|
GIPS |
Giga Instructions Per Second |
|
|
gloc |
G-Induced Loss of Consciousness |
|
|
GNC |
guidance, navigation, and control |
|
|
GND |
Ground |
|
|
GP |
Glide Path |
|
|
GPS |
Global Positioning System (ex-NAVSTAR) |
|
|
GPWS |
Ground Proximity Warning System |
|
|
GS |
groundspeed |
|
|
GSE |
Ground Support Equipment |
|
|
GSP |
Guest Scientist Program |
|
|
GUI |
Graphical User Interface (goo-ey) |
|
|
H |
Hour |
|
|
h |
Heavy |
|
|
HCM |
Angular momentum Control Mode |
|
|
HDG |
Heading |
|
|
HEMT |
High Electron Mobility Transistor |
|
|
HFI |
High Frequency Instrument |
|
|
HIRO |
High Intensity Runway Operation |
|
|
HIWAS |
Hazardous Inflight Weather Advisory Service |
|
|
HK |
House Keeping |
|
|
HL |
Height Loss |
|
|
HLD |
Hold |
|
|
HPA |
Human-Powered Aircraft |
|
|
HPFTS |
Herschel/Planck File Transfer System |
|
|
HPMCS |
Herschel/Planck Mission Control System |
|
|
HSI |
Horizontal Situation Indicator |
|
|
HSK |
House-Keeping data |
|
|
HUD |
Head-Up Display |
|
|
HWI |
Hardware Interrupt |
|
|
HYD |
Hydraulic |
|
|
HYDIM |
hydraulic interface module |
|
|
Hz |
cycles per second (hertz) |
|
|
IAF |
Initial Approach Fixes |
|
|
IAP |
Instrument Approach Procedure |
|
|
IAS |
Indicated AirSpeed |
|
|
IATA |
International Air Transport Association |
|
|
ICA |
Instructions for Continuous Airworthiness |
|
|
ICAO |
International Civil Aviation Organization |
|
|
ICD |
Interface Control Document |
|
|
ICO |
Idle Cut-Off |
|
|
IDE |
Integrated Development Environment |
|
|
IDT |
identify (XPDR) |
|
|
IF |
Intermediate Approach Fix |
|
|
IFA |
International Federation of Airworthiness |
|
|
IFATCA |
International Federation of Air Traffic Controllers' Associations |
|
|
IFE |
Interactive in Flight Entertainment |
|
|
IFE |
IPods to an in Flight Entertainment |
|
|
IFR |
Instrument Flight Rules |
|
|
IFSD |
In-Flight Shutdown |
|
|
ILS |
Instrument Line Shape |
|
|
ILS |
Instituteument Landing System |
|
|
IMC |
Instrument Meteorological Conditions |
|
|
IMO |
Instrument MOdel |
|
|
IMU |
Inertial Measurement Unit |
|
|
IN |
Inch |
|
|
INS |
Inertial Navigation System |
|
|
IOT |
Instrument Operation Team |
|
|
IR |
Infrared |
|
|
IRS |
Inertial Reference System |
|
|
IRT |
Instrument Rating Test |
|
|
ISA |
International Standard Atmosphere |
|
|
ISFD |
Integrated Standby Flight Display |
|
|
ISIS |
Integrated Standby Instrument System |
|
|
ISS |
International Space Station |
|
|
ITT |
Interstage Turbine Temperature |
|
|
JFET |
Junction Field Elect Transistor |
|
|
JPL |
Jet Propulsion Laboratory (California Institute of Technology) (NASA) |
|
|
JSC |
Johnson Spaceflight Center |
|
|
kbps |
kilo bits per second |
|
|
KC-135 |
NASA's reduced gravity airplane |
|
|
kg |
Kilogram |
|
|
KIAS |
Knots Indicated Airspeed |
|
|
lame |
Licenced Aircraft Maintenance Engineer |
|
|
LCG |
Load Classification Group |
|
|
LCN |
Load Classification Number |
|
|
LEO |
Low Earth Orbit (satellite communications) |
|
|
LEOP |
Launch and Early Orbit Phase |
|
|
LFER |
low frequency excess response |
|
|
LFI |
Low Frequency Instrument |
|
|
LHO |
live human organs |
|
|
LIB |
Larger is Best |
|
|
LIR |
Loading Instruction Report |
|
|
LLC |
Life Limited Component |
|
|
LLZ |
Localizer |
|
|
lm |
Land and Marine |
|
|
LNAV |
Lateral Navigation |
|
|
LOBT |
Local on Board Time |
|
|
LOFT |
Line-Oriented Flight Training |
|
|
LOS |
Line Of Sight |
|
|
LPV |
Localizer Performance with Vertical Guidance |
|
|
LRU |
Line-Replaceable Unit |
|
|
LW |
landing weight |
|
|
m |
Meter |
|
|
MAC |
Mid-Air Collision |
|
|
MACE |
Middeck Active Control Experiment |
|
|
MAP |
Missed APproach |
|
|
MATS |
Manual of Air Traffic Services |
|
|
MBPS |
Mega Bytes per Second |
|
|
Mbps |
Mega Bits per second |
|
|
MBX |
Mailbox data transfer construct |
|
|
MCP |
Mode Control Panel |
|
|
MCU |
Microcontroller Unit |
|
|
MDA |
Minimum Descent Altitude |
|
|
MDH |
Minimum Descent Height |
|
|
MEDEVAC |
Medical Evacuation |
|
|
MEF |
maximum elevation figure |
|
|
METAR |
Meteorological Aerodrome Report |
|
|
MFLOPS |
Million Floating Point Operations Per Second |
|
|
mg |
milli-g |
|
|
MIN |
Minute |
|
|
MIT |
Massachusetts Institute of Technology (U.S.) |
|
|
ml |
milliliters |
|
|
MLDW |
maximum landing weight |
|
|
MLE |
Middeck Locker Equivalent |
|
|
MLS |
Microwave Landing System |
|
|
MM |
Middle Marker |
|
|
mo |
Month Old |
|
|
MOC |
Mission Operation Center |
|
|
MOC |
Minimum Obstacle Clearance |
|
|
MODE |
Middeck 0-gravity Dynamics Experiment |
|
|
MOSR |
Mars Orbit Sample Return |
|
|
MP |
Manifold Pressure |
|
|
MRO |
maintenance repair overhaul |
|
|
MRW |
Maximum Ramp Weight |
|
|
ms |
Millisecond |
|
|
MSA |
Minimum Safe Altitude |
|
|
MSA |
Minimum Sector Altitude |
|
|
MSFC |
Marshall Space Flight Center (Huntsville AL) |
|
|
MSL |
Mean Sea Level |
|
|
MSLW |
Max. Structural Landing Weight |
|
|
MSTOW |
Max. Structural Take-off Weight |
|
|
MSZFW |
Max. Structural Zero Fuel Weight |
|
|
MTOW |
Maximum Take-off Weight |
|
|
MZFW |
maximum zero-fuel weight |
|
|
N |
Newton |
|
|
NASA |
National Aeronautics and Space Administration (US) |
|
|
NASDA |
Japanese National Space Development Agency |
|
|
NDB |
Non-Directional Beacon |
|
|
NDT |
Nondestructive Test |
|
|
NEP |
Noise Equivalent Power |
|
|
NET |
Noise Equivalent Temperature |
|
|
NGO |
Non-governmental organization. (Red Cross/Crescent, Doctors without Borders, etc.) |
|
|
NIB |
Nominal is Better |
|
|
nm |
Nanometer |
|
|
NMP |
New Millennium Program |
|
|
NOTAM |
Notice to Airmen |
|
|
NRC |
National Research Council (Canada) |
|
|
OBE |
Overcome By Events |
|
|
OBS |
omni-bearing selector |
|
|
OBT |
On-Board Time |
|
|
OCA |
Obstacle Clearance Altitude |
|
|
OCH |
Obstacle Clearance Height |
|
|
OD |
Operational Day |
|
|
OEM |
Original Equipment Manufacturer (usually in reference to car parts) |
|
|
OM |
Outer Marker (ILS) |
|
|
OMT |
Ortho Module Transducer |
|
|
OTS |
Out of Service |
|
|
OW |
operational weight |
|
|
P |
(as a prefix:) prohibited airspace |
|
|
P/L |
Payload |
|
|
PADS |
Position and Attitude Determination System |
|
|
PANS-OPS |
procedures for air navigation services – aircraft operations |
|
|
PAPI |
Precision Approach Path Indicator (aviation) |
|
|
PAR |
Precision Approach Radar |
|
|
PAU |
Pre_Amplification Unit |
|
|
PBD |
place bearing distance (RNAV waypoint) |
|
|
PBR |
phase binned ring |
|
|
PC |
Personal computer (host) |
|
|
PDAS |
Public Domain Aeronautical Software |
|
|
PDG |
Procedure Design Gradient |
|
|
PET |
Point of Equal Time |
|
|
PF |
Pilot Flying |
|
|
PFAF |
Precision Final Approach Fix |
|
|
PFD |
Primary Flight Display |
|
|
PIA |
Planck Internal Archive |
|
|
PIC |
Microchip PIC line of micro controllers |
|
|
PIO |
Pilot Induced Oscillations |
|
|
PIP |
Pipe data transfer construct |
|
|
PIREP |
Pilot Report |
|
|
PLA |
Planck Legacy Archive |
|
|
PLM |
Payload Module |
|
|
PNF |
Pilot Not Flying (aviation) |
|
|
PO |
Physical Optics |
|
|
POI |
Phase-Ordered Information |
|
|
PPL |
Pre-programmed Pointing List |
|
|
PPLM |
Planck Payload Module |
|
|
PRD |
Periodic |
|
|
PSI |
Payload Systems Inc. |
|
|
PSI |
Pounds Per Square Inch (Static Pressure) |
|
|
PSm |
Planck Sky Model |
|
|
PSO |
Planck Science Office |
|
|
PSR |
Point of Safe Return |
|
|
PSR |
power supply reset |
|
|
PSU |
Personal Service Units |
|
|
PTD |
Physical Theory of Diffraction |
|
|
PUS |
Packet Utilisation Standard |
|
|
QFE |
the Q-code for: Atmospheric pressure at aerodrome elevation |
|
|
QNH |
the Q-code for: Altimeter sub-scale setting to obtain elevation when on the ground, i.e. altitude above MSL |
|
|
QRH |
Quick Reference Handbook |
|
|
R |
(as a prefix:) restricted airspace |
|
|
RA |
Resolution Advisory |
|
|
RA |
radio altitude |
|
|
RAA |
LFI Radiometer Array Assembly |
|
|
Rad |
Radiant |
|
|
RAF |
Raw Attitude history File |
|
|
RAM |
random-access memory |
|
|
RAs |
Rectified Air Speed |
|
|
RCA |
Radiometer Chain Assembly |
|
|
RDH |
Reference Datum Height |
|
|
REBA |
Radiometer Electronics Box Assembly |
|
|
RESA |
Runway End Safety Area |
|
|
REU |
Readout Electronic Unit |
|
|
RF |
Radio Frequency |
|
|
RFQM |
Radio Frequency Qualification Model |
|
|
RGA |
Reduced gravity airplane |
|
|
RGO |
Reduced Gravity Office |
|
|
RGP |
Reduced gravity program |
|
|
RIMO |
reduced Instrument MOdel |
|
|
RNAV |
Random Navigation Area Navigation |
|
|
RNP |
Required Navigation Performance |
|
|
ROI |
Ring-Ordered Information |
|
|
RPM |
Revolutions Per Minute, (Rotations Per Minute) |
|
|
RPM |
Resale Price Maintenance. The UK Net Book Agreement, as was. Means by which retail prices are controlled by primary suppliers. (Alternatively, Revolutions Per Minute, as in engine speed and 78, 33 and 45 records. In years to come how many people will know |
|
|
RSA |
Runway Safety Area |
|
|
RSA |
Russian Space Agency |
|
|
RSR |
en-Route Surveillance Radar |
|
|
RSSD |
Research Space Science Division |
|
|
RT |
radiotelephony |
|
|
RTO |
Rejected Take-Off |
|
|
RTOS |
Real-Time Operating System |
|
|
RTs |
Random Telegraphic Signal |
|
|
RVR |
Runway Visual Range |
|
|
RVSM |
Reduced Vertical Separation Minima |
|
|
RW |
ramp weight |
|
|
RWY |
Runway |
|
|
Rx |
Receive |
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|
s |
second (do NOT use "sec" for "second;" use "sec" for "secant") |
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|
S/C |
Spacecraft |
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SAA |
Solar Aspect Angle |
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SCAP |
Standard Computerized Airplane Performance |
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SCAR |
Special Committee for Antarctic Research |
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SCC |
Sorption Cooler Compressor assembly |
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SCS |
SPHERES Core Services software layer |
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SCS |
Sorption Cooler Subsystem |
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SEM |
Semaphore synchronization construct |
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SESAR |
Single European Sky ATM Research |
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SEV |
Sun Earth Vector |
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SGR |
Small Gap Recovery |
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sgs |
Science Ground Segment |
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SIAM |
Spacecraft Instrument Alignment Matrix |
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SIB |
Smaller is Best |
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SID |
Standard Instrument Departure |
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SIGMET |
Significant Meteorological Advisory |
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SLT |
System Level Test |
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SMOH |
Since Major Overhaul |
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SMR |
Surface Movement Radar |
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SMT375 |
Sundance Multiprocessor Technologies DSP board model 375 |
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SOC |
Start of Climb at Missed Approach |
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SODPRO |
simultaneous opposite direction parallel runway operations |
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SOH |
State Of Health |
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SOVT |
System Operation and Validation Test |
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SPECS |
Sub-millimeter Probe of the Evolution of Cosmic Structures |
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SPHERES |
Synchronized Position Hold, Engage, Reorient, Experimental Satellites |
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SPPT |
Survey Performance and Planning Tool |
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SPU |
Signal Processing Unit |
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SR |
Sunrise |
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SREM |
Space Radiation Environment Monitor |
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SRP |
Solar Radiation Pressure |
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SS |
Sunset |
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ssc |
Station Support Computer |
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SSCE |
Sun-SpaceCraft-Earth angle max= 15° |
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SSL |
Space Systems Laboratory |
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SSO |
Solar System Object |
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SSP |
Space Shuttle Program |
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STAR |
Standard Terminal Arrival Route |
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STG |
Satellite-to-ground |
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STL |
Satellite-to-laptop |
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STP |
DoD Space Technology Programs Office |
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STR |
Star TRacker |
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STS |
Satellite-to-satellite |
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STS-# |
Space Shuttle Mission # |
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SVM |
Service Module (also abbreviated as S/M) |
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SWI |
Software Interrupt |
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SZ |
Sunyaev-Zel'dovich Effect |
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TA |
Traffic Advisory |
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TAA |
Terminal Arrival Area |
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TAF |
Terminal Aerodrome Forecast |
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tam |
Total Airport Management |
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TAR |
Terminal Approach Radar |
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TAS |
True Airspeed |
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TAWS |
terrain awareness and warning system |
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TBC |
To Be Confirmed |
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TBD |
To Be Defined |
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TC |
Telecommand |
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TCA |
Terminal Control Area |
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TCAS |
Traffic Collision Avoidance System |
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TCH |
Threshold Crossing Height |
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TDMA |
Time Division Multiple Access |
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TDZ |
Touchdown Zone |
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Terps |
Terminal Procedures |
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TFR |
Temporary Flight Restriction |
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TGL |
Temporary Guidance Leaflet |
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THF |
Telecommand History File |
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THS |
Trimmable Horizontal Stabilizer |
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TLD |
time-limited dispatch |
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TO/GA |
take-off/go around |
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TOD |
Top of Descent |
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TOD |
Time-Ordered Data |
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TORA |
Take-Off Run Available |
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ToS |
Time of Sample |
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TOW |
Take-Off Weight |
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TOWS |
take-off warning system |
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TP |
Turning Point at Missed Approach |
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TPF |
Terrestrial Planet Finder |
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TRA |
Temporary Reserved Airspace |
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TRACON |
Terminal Radar Approach Control |
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TRL |
Technology Readiness Level |
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TSA |
Thermal Stabilization Assembly |
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TSK |
Background Task |
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TTAF |
Total Time Air Frame |
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TTSN |
Total Time Since New |
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TTSO |
Total Time Since Overhaul |
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TWR |
Tower |
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TWY |
Taxiway |
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TX |
Transmit |
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|
uart |
Universal Asynchronous Receiver Transmitters |
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UAV |
unmanned air vehicle |
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UHF |
Ultrahigh Frequency |
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UIR |
Upper Information Region |
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US |
Ultrasound |
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utc |
Universal Time Coordinate |
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V |
Volt (measurement) |
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VA |
Maneuvering Speed |
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VASI |
Visual Approach Slope Indicator |
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VDP |
Visual Descent Point |
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Vfe |
maximum flaps extended speed |
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VHF |
Very High Frequency |
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Vle |
maximum landing gear extension sp |
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Vlo |
maximum landing gear operating speed |
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VMC |
visual meteorological conditions |
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vmo |
Maximum Operating Speed |
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VNAV |
Vertical Navigation |
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Vne |
never-exceed speed |
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Vno |
normal operating speed limit |
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VOR |
VHF Omnidirectional Range |
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VS |
Stall Speed |
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Vso |
stall speed in landing configuration |
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VX |
Best Angle Of Climb Speed |
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VY |
Best Rate Of Climb Speed |
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W |
Watt |
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WAT |
weight, altitude, temperature: variables that affect takeoff performance |
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WEF |
With Effect From |
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wg |
Waveguide |
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|
WHR |
Weekly Health Report |
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