PILOT/CONTROLLER GLOSSARY 飞行员/管制员术语词典

时间：2011-09-16 15:17来源：蓝天飞行翻译 作者：航空 点击：次

(See CONVECTIVE SIGMET.)
COORDINATES- The intersection of lines of reference, usually expressed in degrees/minutes/ seconds of latitude and longitude, used to determine position or location.
COORDINATION FIX- The fix in relation to which facilities will handoff, transfer control of an aircraft, or coordinate flight progress data. For terminal facilities, it may also serve as a clearance for arriving aircraft.
COPTER-(See HELICOPTER.)
CORRECTION- An error has been made in the transmission and the correct version follows.
COUPLED APPROACH- A coupled approach is an instrument approach performed by the aircraft autopilot which is receiving position information and/or steering commands from onboard navigation equipment. In general, coupled nonprecision ap-proaches must be discontinued and flown manually at altitudes lower than 50 feet below the minimum descent altitude, and coupled precision approaches must be flown manually below 50 feet AGL.
Note: Coupled and autoland approaches are flown in VFR and IFR. It is common for carriers to require their crews to fly coupled approaches and autoland approaches (if certified) when the weather conditions are less than approximately 4,000 RVR.
(See AUTOLAND APPROACH.)
COURSE-
a..
The intended direction of flight in the horizontal plane measured in degrees from north.

b.
The ILS localizer signal pattern usually specified as the front course or the back course.

c..The intended track along a straight, curved, or segmented MLS path.
(See BEARING.)
(See INSTRUMENT LANDING SYSTEM.)
(See MICROWAVE LANDING SYSTEM.)
(See RADIAL.)
CPDLC-
(See CONTROLLER PILOT DATA LINK
COMMUNICATIONS.)

CPL [ICAO]-
(See ICAO term CURRENT FLIGHT PLAN.)
CRITICAL ENGINE- The engine which, upon failure, would most adversely affect the performance or handling qualities of an aircraft.
CROSS (FIX) AT (ALTITUDE)- Used by ATC when a specific altitude restriction at a specified fix is required.
CROSS (FIX) AT OR ABOVE (ALTITUDE)- Used by ATC when an altitude restriction at a specified fix is required. It does not prohibit the aircraft from crossing the fix at a higher altitude than specified; however, the higher altitude may not be one that will violate a succeeding altitude restriction or altitude assignment.
(See ALTITUDE RESTRICTION.)
(Refer to AIM.)

CROSS (FIX) AT OR BELOW (ALTITUDE)-
Used by ATC when a maximum crossing altitude at a specific fix is required. It does not prohibit the aircraft from crossing the fix at a lower altitude; however, it must be at or above the minimum IFR altitude.
(See ALTITUDE RESTRICTION.)
(See MINIMUM IFR ALTITUDES.)
(Refer to 14 CFR Part 91.)
CROSSWIND-
a..When used concerning the traffic pattern, the word means “crosswind leg.”
(See TRAFFIC PATTERN.)
b..When used concerning wind conditions, the word means a wind not parallel to the runway or the path of an aircraft.

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