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Terms for subject Aviation (1801 entries)

common point	A single fix, whether a NAVAID, a fix derived from NAVAIDs, or geographical coordinates expressed in degrees of latitude and longitude, over which two or more aircraft will pass, or have passed, before proceeding on the same track or diverging tracks
communications, navigation, and surveillance signals	CNS signals	Michae­lBurov
Communications/Navigation/Surveillance	The basic elements of future air navigation systems
community aerodrome radio station	An aeronautical radio station established to provide aviation support services at certain isolated aerodromes in the Arctic and northern Quebec, in accordance with the provisions contained in the "Rules of the Air and Air Traffic Services" (RAC) section of the Transport Canada Aeronautical Information Manual
company frequency	An air-ground frequency assigned to an air operator for use by its aircraft or ground stations
company route	A route, exclusive of an airway or air route, for the specific use of an operator or a number of operators
compass rose	A circle, graduated in degrees, used as a reference to true, magnetic or grid direction
compass rose	A circle, graduated in degrees, printed on some charts or marked on the ground at an airport. It is used as a reference to either true or magnetic direction.
composite flight plan	A flight plan (FP) that specifies VFR operation for one portion of the flight and IFR for another portion
composite route system	An organized oceanic route structure that incorporates reduced lateral spacing between routes and in which composite separation is authorized
composite separation	A method of separating aircraft in a composite route system where, through the management of route and altitude assignments, a combination of half the lateral minimum and half the vertical minimum specified for the area concerned is applied
compulsory reporting point	A reporting point over which an aircraft must report to ATC. Such points are designated on aeronautical charts by solid triangles or filed in a flight plan (FP) as fixes selected to define direct routes. These points are geographical locations that are defined by NAVAIDs or fixes.
conflict	The actual or predicted convergence of aircraft that violates one or more separation minima
conflict alert	A function of certain ATC automated systems that is designed to alert radar controllers to existing or pending situations that are recognized by the program parameters and require immediate attention or action
conflict detection	The discovery of a conflict as a result of a conflict search
conflict resolution	The resolution of potential conflicts between IFR/VFR and VFR/VFR aircraft that are radar-identified and in communication with ATC
conflict search	The computation and comparison of the predicted flight paths of two or more aircraft for the purpose of determining conflicts
conj	conjunction ticket	elena.­sklyaro­va1985
constant descent final approach	A technique, consistent with stabilized approach procedures, for flying the final approach segment of a non-precision instrument approach procedure as a continuous descent, without level-off, from an altitude/height at or above the FAF altitude/height to a point approximately 15 m (50 ft) above the landing runway threshold or the point where the flare manoeuvre should begin for the type of aircraft flown
contact approach	An approach wherein an aircraft on an IFR flight plan (FP) having an ATC authorization and operating clear of clouds with at least 1 mi. flight visibility and a reasonable expectation of continuing to the destination airport in those conditions, may deviate from the instrument approach procedure (IAP) and proceed to the destination airport by visual reference to the surface of the earth.