時(shí)間：2011-09-15 17:20來源：藍(lán)天飛行翻譯 作者：航空 點(diǎn)擊：次
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circuit pattern around which aircraft fly when arriving at an airfield, usually rectangular in UK but not necessarily elsewhere. The circuit (known as the pattern in USA) is aligned with the active runway and may be either left- or right-handed. Dead side is the opposite side of the circuit pattern in operation from which arriving aircraft join for landing. See also final(s). C/L centre-line (of a runway, for example). clamped colloquialism referring to an airport closed to air traffic by bad weather clean flaps, slats and undercarriage retracted and on military aircraft no external missiles etc. clearance authorization from air traffic control to proceed as requested or instructed. Used for ground and air manoeuvring, thus "cleared for take-off", "cleared flight-planned route", "cleared to descend" etc. Clouds "commonly-used abbreviations for cloud types: AC = altocumulus AS = altostratus CB = cumulonimbus CC = cirrocumulus CI = cirrus CS = cirrostratus CU = cumulus NS = nimbo stratus SC = stratocumulus ST = stratus" C of A Certificate of Airworthiness issued by the CAA indicating that an aircraft meets the Authority's airworthiness standards. Cs of A are issued to individual aircraft, and also to generic aircraft types (Type Certification in the USA) when the first example of a type is registered. Cs of A on individual aircraft are granted in several categories, e.g. Private, Public Transport, Aerial Work etc. and much be renewed at intervals. Permits to Fly are authorisations granted to specialist aircraft and are accordingly restricted in the kinds of operation for which they may be used. C of E Certificate of Experience, valid for private pilot licence holders for thirteen months, and renewed by flight test or evidence of completing the minimum required flying experience in the preceding thirteen-month period. Also C of T, certificate of test. |
