| A |
|
|
AAIB
|
Air Accident Investigation Branch: British equivalent of NTSB
|
|
ACARS
|
Aircraft Communications Addressing and Reporting System
|
|
ACAS
|
Aircraft Collision Avoidance System
|
|
ADF
|
Automatic Direction Finder: a navigation receiver
|
|
ADS-B
|
Automatic Dependent Surveillance: Broadcast
|
| 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. |
|
APU
|
Auxiliary Power Unit
|
|
ATC
|
Air Traffic Control |
| ATIS |
Automated Terminal Information Service |
| |
|
| C |
|
| CTAF |
Common Traffic Advisory Frequency |
| |
|
| D |
|
| DME |
Distance Measuring Equipment |
| |
|
| E |
|
| EPIRB |
Emergency Position Indicating Radio Beacon |
| |
|
| F |
|
| 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. |
|
FLIR
|
Forward Looking Infra-Red (radar)
|
|
FMC
|
Flight Management Computer
|
| |
|
| G |
|
|
GNSS
|
Global Navigation Satellite System
|
| GPS |
Global Positioning System. |
|
GPWS
|
Ground Proximity Warning System
|
| GS |
Ground Speed. Calculated from speed indicator adjustment. |
| |
|
| H |
|
| HF |
High Frequency (Radio) 3mHz to 30mHz |
| |
|
| I |
|
| IAS |
Indicated Air Speed. Usually diminishes with altitude. (See Ground Speed). |
|
ICAO
|
International Civil Aviation Organization: agency of the UN
|
| ILS |
Instrument Landing System |
|
IMC
|
Instrument Meteorological Conditions (see IFR)
|
|
Inmarsat
|
International Maritime Satellite Organization
|
|
INS
|
Inertial Navigation System
|
| |
|
| K |
|
|
KT
|
Knots: nautical miles/hour
|
| |
|
| L |
|
|
LOC
|
Localizer: part of Instrument Landing System
|
| |
|
| M |
|
| M |
Mach number: speed of a/c expressed in relation to speed of sound
|
