navigation acronyms, abbreviations and definitions - International ...

CASST Commercial Aviation Safety Strategy Team (FAA)
CAT clear-air turbulence
CAT commercial air transport
Sheduled/non-scheduled passenger flights in airliners and helicopters.
Cargo flights.
CAT I Category (of ILS service)
Precision runway approach to height above touchdown of not less than
200 ft and RVR not less than 2,400 ft (with touchdown & centreline
lights 1,800 ft (A,B or C) or 2,000 ft (D)). Requires accuracies (95%)
of 16 m H, 4-6 m V. HAL 40 m, VAL 10-15 m. Time to alert 6 s.
CAT II Category (of ILS service)
Precision runway approach to height above touchdown of not less than
100 ft and RVR lot less than 1,200 ft. Requires accuracies (95%) of
6 m H, 1 m V. Time to alert 1 s.
CAT III Category (of ILS service)
Precision runway approach - no decision height minimum and RVR not
less than: A 700 ft, B 150 ft, C no minimum. Requires accuracies (95%)
of6 m H, 1 m V. Time to alert 1 s.
CATCU ATCOs’ union in Croatia
CATRIV Conceptual Analysis for Transportation on Rivers (EU)
Cave Review Review of UK radio spectrum management by Prof Cave (March 2002)
CAVOK ‘cav-okay’ - ceiling and visibility OK
Basically visibility at least 10km and no cloud below 5,000ft.
CAVU ceiling and visibility unlimited
Cloudless or scattered cloud and visibility over 10km.
CB compass bearing (angular distance from CN to the object)
Cb cumulonimbus cloud
CBA cost benefit analysis (B) = business, (S) = society
CBI computer-based information
CBM conventional buoy marking
CBOC composite binary offset carrier (modulation)
CBT computer-based training
CbyC Correctness by Construction
Ultra low defect software approach for critical applications.
CC chronometer correction
The amount that must be added algebraically to the chronometer time
to obtain UT.
CC compass course
Intended direction of movement (of the ship), defined by the angle
between compass north and the fore-and-aft line (of the ship),
expressed in angular units from compass north (000º).
CC Competition Commission (UK)
CCAMS Code Assignment and Management System
EUROCONTROL solution to SSR code shortage. Jan 07.
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March 2012