| A |
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AAIB
|
Air Accident Investigation Branch: British equivalent of NTSB
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ACARS
|
Aircraft Communications Addressing and Reporting System
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ACAS
|
Aircraft Collision Avoidance System
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ADF
|
Automatic Direction Finder: a navigation receiver
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ADS-B
|
Automatic Dependent Surveillance: Broadcast
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| Altitude Indicator |
Indicates aircraft altitude or height from sea level. Must be calibrated for local atmospheric pressure. |
| Attidtude Indicator |
(Artificial Horizon) Shows if aircraft is in level flight. Usually indicated by wings on a horizontal line. |
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APU
|
Auxiliary Power Unit
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ATC
|
Air Traffic Control |
| ATIS |
Automated Terminal Information Service |
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| C |
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| CTAF |
Common Traffic Advisory Frequency |
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| D |
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| DME |
Distance Measuring Equipment |
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| E |
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| EPIRB |
Emergency Position Indicating Radio Beacon |
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| F |
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| Flight Plan |
Aircraft will follow this route. Can contain multiple legs. Sumbmitted before flight. |
| Flight Planned Route |
Aircraft follows the FLIGHT PLAN there may be minor deviations but aircraft eventually resumes the FLIGHT PLANNED ROUTE. |
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FLIR
|
Forward Looking Infra-Red (radar)
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FMC
|
Flight Management Computer
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| G |
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GNSS
|
Global Navigation Satellite System
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| Go Around |
Aborted landing. Wheels do not contact with the ground. Aircraft climbs away under power. |
| GPS |
Global Positioning System. |
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GPWS
|
Ground Proximity Warning System
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| GS |
Ground Speed. Calculated from speed indicator adjustment. |
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| H |
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| HF |
High Frequency (Radio) 3mHz to 30mHz |
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| I |
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| IAS |
Indicated Air Speed. Usually diminishes with altitude. (See Ground Speed). |
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ICAO
|
International Civil Aviation Organization: agency of the UN
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| ILS |
Instrument Landing System |
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IMC
|
Instrument Meteorological Conditions (see IFR)
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Inmarsat
|
International Maritime Satellite Organization
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INS
|
Inertial Navigation System
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| K |
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KT
|
Knots: nautical miles/hour
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| L |
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LOC
|
Localizer: part of Instrument Landing System (ILS). Located on ground at far end of runway. Provides runway centreline information to aircraft
(See Gallery: HERE)
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| M |
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| M |
Mach number: speed of a/c expressed in relation to speed of sound
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