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航空略缩语 Aviation Glossary(8)

时间:2011-09-15 17:20来源:蓝天飞行翻译 作者:航空 点击:


casevac casualty evacuation
CAT clear-air turbulence. Also CATegory when referring to certain instrument landing systems which require special aircraft instrumentation, certification and pilot qualification beyond those needed for standard instrument approaches (e.g. a CAT IIIC ILS permits operation down to the surface of the runway without external visual reference, true zero-zero operation).
CAVOK pronounced CAV-okay (ceiling and visibility OK), visibility at least ten kilometres, with no cloud below 5,000 feet, with no Cbs, precipitation, thunderstorms, shallow fog or low drifting snow.
CAVU ceiling and visibility unlimited. Cloudless (or scattered cloud) conditions with visibility in excess of ten kilometres.
CCF Combined Cadet Force
CDI course deviation indicator. The vertical needle of a VOR indicator which shows the aircraft's position relative to the selected VOR radial.
CDU control display unit
ceiling height above ground or water of the base of the lowest layer of cloud below 20,000 feet which covers more than half of the sky. An aircraft's service ceiling is the density altitude at which its maximum rate of climb is no greater than 100 feet per minute. Its absolute ceiling is the highest altitude at which it can maintain level flight.
CFI chief flying instructor (certified flying instructor in USA).
CFS Central Flying School (RAF)
CG centre of gravity
CH compass heading
Check 'A'  a thorough pre-flight inspection - the first of the day.
CHIRP Confidential Human Factors Incident Reporting system, whereby professional pilots and ATC staff may report in confidence incidents arising from human errors for analysis by the CHIRP Charitable Trust at Farnborough.
CHT cylinder head temperature (gauge). A device which, by means of a probe(s) gives a cockpit readout of the temperature of one or more of an aircraft engine's cylinder heads.
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