navigation acronyms, abbreviations and definitions - International ...
navigation acronyms, abbreviations and definitions - International ...
navigation acronyms, abbreviations and definitions - International ...
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absolute accuracy (geodetic or geographic accuracy)<br />
The accuracy of a position with respect to the geographic or geodetic<br />
coordinates of the earth (IMO).<br />
AC Admiralty Chart<br />
AC Advisory Circular (FAA)<br />
ac aircraft<br />
AC altocumulus cloud<br />
AC Analysis Centre (IGS)<br />
AC(YPS) Act Activity Centres (Young Persons’ Safety) Act 1995 (UK)<br />
Acacia Project to develop a definitive, consistent <strong>and</strong> joined-up national<br />
infrastructure of property addresses <strong>and</strong> related data with the<br />
related mapping. OS, HMLR, RoS, Valuation Office Agency<br />
(VOA), Improvement <strong>and</strong> Development Agency (IDeA) <strong>and</strong> Royal<br />
Mail.<br />
ACARE Advisory Council for Aeronautics Research in Europe<br />
ACARS Aircraft Communications Addressing <strong>and</strong> Reporting System (ARINC)<br />
Civil air data link for air-to-ground business <strong>and</strong> ATS messages.<br />
ACAS Airborne Collision Avoidance System (=TCAS in USA)<br />
ACAS-II current from 2000. M<strong>and</strong>atory in Europe for ac >5,700 kg<br />
MTOW or >19 pax seats from 1 Jan 05.<br />
Acc altocumulus castellanus cloud<br />
ACCa adaptive cruise control<br />
ACCa Antarctic Circumpolar Current<br />
ACCb area control centre (ATC - international; ARTCC in US)<br />
ACCC Aviation Crisis Coordination Cell<br />
ACCLAIM Antarctic Circumpolar Current Levels by Altimetry <strong>and</strong> Isl<strong>and</strong><br />
Contributes to the World Ocean Circulation Experiment (WOCE)<br />
of the World Climate Research Programme.<br />
accuracy The degree of conformance between the estimated or measured<br />
parameter of a craft at a given time <strong>and</strong> its true parameter at that<br />
time (IMO).<br />
ACDS Aeronautical Charts <strong>and</strong> Data Section (CAA - moved to NATS 2009)<br />
ACE Advanced Composition Explorer (NASA 1997 solar wind monitor sat)<br />
ACE Advanced Configurable EGI<br />
ACE ATM Cost-Effectiveness (EUROCONTROL Benchmarking Report)<br />
ACEA Association des Constructeurs Européens d'Automobiles<br />
Represents the interests of 13 European car, truck <strong>and</strong> bus<br />
manufacturers.<br />
ACEM Agence de Coopération pour l’Europe de la Mer (= ECMA)<br />
ACF autocorrelation function<br />
ACFD advanced civil flight deck<br />
ACG ATM/CNS Consultancy Group (EATCHIP - EUROCONTROL)<br />
3<br />
March 2012