. abbreviation: CARS
Fr: station radio d’aérodrome communautaire
company frequency
An air-ground frequency assigned to an air operator for use by its aircraft or ground stations.
Fr: fréquence de compagnie
company route
A route, exclusive of an airway or air route, for the specific use of an operator or a number of operators.
Fr: route compagnie
compass rose
(1) Canada: A circle, graduated in degrees, used as a reference to true, magnetic or grid direction.
Fr: rose des vents
(2) U.S.: 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.
Fr: plan de vol composite
composite route system An organized oceanic route structure that incorporates reduced lateral spacing between routes and in which composite separation is authorized. Fr: système de routes composites
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. Fr: espacement composite
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. Fr: point de compte rendu obligatoire
conflict
The actual or predicted convergence of aircraft that violates one or more separation minima.
Fr: conflit
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.
. abbreviation: CA
Fr: alerte de conflit
conflict detection
The discovery of a conflict as a result of a conflict search.
Fr: détection de conflit
conflict resolution The resolution of potential conflicts between IFR/VFR and VFR/VFR aircraft that are radar-identified and in communication with ATC. Fr: résolution de conflit
conflict search The computation and comparison of the predicted flight paths of two or more aircraft for the purpose of determining conflicts. Fr: recherche de conflit
“Contact . . .” An expression used in radiocommunication to establish communication with a facility (which is given, along with the frequency to be used, if appropriate). Fr: . Contactez… .
“Contact”
An expression used in radiocommunication meaning “Visual contact has been established.”
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