TABLE OF CONTENTS | ACARS | ARINC communication and retrieval system | |
| ACAS | airborne collision avoidance system | |
| A/D | analogue-to-digital (converter) | |
| ADAS | AWOS data acquisition system | |
| ADF | automatic direction finder | |
| AGC | automatic gain control | |
| AGFS | aviation gridded forecast system | |
| AIV | aviation impact variable | |
| ARINC | Aeronautical Radio, Inc. | |
| ARSR | air route surveillance radar | |
| ARTCC | air route traffic control centre | |
| ARTS | automated radar terminal system | |
| ASD | aircraft situation display | |
| ASDE | airport surface detection equipment | |
| ASOS | automated surface observing system | |
| ASR | airport surveillance radar | |
| ATC | air traffic control | |
| ATCRBS | air traffic control radar beacon system | |
| ATM | air traffic management | |
| ATMS | advanced traffic management system | |
| AV | airport visibility | |
| AWOS | automated weather observation system | |
| AWPG | aviation weather products generator | |
| CAA | Civil Aviation Authority (UK) | |
| DME | distance measuring equipment | |
| EFAS | en route flight advisory service | |
| FAA | Federal Aviation Administration (USA) | |
| FAR | Federal Aviation Regulation (USA) | |
| FAST | fore/aft scanning technique | |
| FDP | flight data processing (or processor) | |
| FFT | fast-Fourier transform | |
| GOES | geostationary operational environmental satellite | |
| GPS | global positioning system | |
| HF | high frequency | |
| ICAO | International Civil Aviation Organisation | |
| IFR | instrument flight rules | |
| ILS | instrument landing system | |
| INMARSAT | international maritime satellite organisation | |
| ITWR | interim terminal doppler radar | |
| ITWS | integrated terminal weather system | |
| JAWS | joint airport weather studies | |
| K H | Kelvin Helmholtz | |
| LAPS | local analysis and prediction system | |
| LDR | linear depolarisation ratio | |
| LLWAS | low level... |
