navigation acronyms, abbreviations and definitions - International ...

ADNM Admiralty Digital Notice to Mariners
ADONIS EU project to make cycling and walking safer
ADP Admiralty Digital Products (UKHO)
ADPCM adaptive differential pulse code modulation
ADQIR Aeronautical Data Quality Implementing Rule (EU)
ADR accident data recorder
ADR advisory route (ATC)
ADR air data reference
ADR architectural design review
ADR automotive dead reckoning (typically aiding vehicle GPS)
ADR European Agreement on intnat’l carriage of dangerous goods by road
ADRIS automatic DR indicating system
ADRU Air Defence Radar Unit
ADS Automatic Dependent Surveillance
ADS-B Automatic Dependent Surveillance - Broadcast
Aircraft broadcast their identity, position (GNSS-based)
and velocity. This can be captured by receivers on the ground
(ADS-B out) or in aircraft (ADS-B in).
ADS-C Automatic Dependent Surveillance - Contract
Based on contract between a ground system and aircraft: demand
contract, periodic contract, event contract and emergency contract.
ADSL Asymmetric Digital Subscriber Line
For access to the Web using normal phone lines at speeds between 512
and 2,000 kbps.
ADSP Automatic Dependent Surveillance Panel (of ICAO)
ADVANCE Advanced Driver & Vehicle Advisory Navigation Concept (US)
ADVANTIS Project looking at integrity for liability-critical applications (GJU)
AE antenna electronics
a e
Earth’s equatorial radius (typically 6.378 x 10 6 m)
AEA Association of European Airlines
AEEC Airlines Electronic Engineering Committee (US)
AEI air experience instructor
AENA Aeropuertos Españoles y Navegación Aérea (Spanish ATSP)
AEP Architecture Evolution Plan
GPS ground control Unix-based system from Apr 07.
AEROSAT Aeronautical Satellite (Programme)
AESA active electronically scanned array (radar)
AESIG Asociacion Espanola de Sistems de Informacion Geografica y Territo
AEW airborne early warning
AF adaptive filtering
AFB Air Force Base (US)
AFC automatic frequency control (eg in radar)
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March 2012