仪表飞行术语 Instrument Flight Glossary

时间：2011-08-28 11:47来源：蓝天飞行翻译 作者：航空 点击：次

Compass rose. A small circle graduated in 360° increments, printed on navigational charts to show the amount of compass variation at different locations, or on instruments to indicate direction.
Computer navigation fix. A point used to define a navigation track for an airborne computer system such as GPS or FMS.
Concentric rings. Dashed-line circles depicted in the plan view of IAP charts, outside of the reference circle, that show en route and feeder facilities.
Cone of confusion. A cone-shaped volume of airspace directly above a VOR station where no signal is received, causing the CDI to . uctuate.
Control and performance. A method of attitude instrument .ying in which one instrument is used for making attitude changes, and the other instruments are used to monitor the progress of the change.
Control display unit. A display interfaced with the master computer, providing the pilot with a single control point for all navigations systems, thereby reducing the number of required flight deck panels.
Controlled airspace. An airspace of de. ned dimensions within which ATC service is provided to IFR and VFR . ights in accordance with the airspace classi.cation. It includes Class A, Class B, Class C, Class D, and Class E airspace.
Control pressures. The amount of physical exertion on the control column necessary to achieve the desired attitude.
Convective weather. Unstable, rising air found in cumiliform clouds.
Convective SIGMET. Weather advisory concerning convective weather signi.cant to the safety of all aircraft, including thunderstorms, hail, and tornadoes.
Coordinated flight. Flight with a minimum disturbance of the forces maintaining equilibrium, established via effective control use.
COP. See changeover point.

Coriolis illusion. The illusion of rotation or movement in an entirely different axis, caused by an abrupt head movement, while in a prolonged constant rate turn that has ceased stimulating the brain’s motion sensing system.
Crew resource management (CRM). The effective use of all available resources—human, hardware, and information.
Critical areas. Areas where disturbances to the ILS localizer and glide slope courses may occur when surface vehicles or aircraft operate near the localizer or glide slope antennas.
CRM. See crew resource management.

Cross-check. The .rst fundamental skill of instrument . ight, also known as “scan,” the continuous and logical observation of instruments for attitude and performance information.
Cruise clearance. An ATC clearance issued to allow a pilot to conduct .ight at any altitude from the minimum IFR altitude up to and including the altitude speci.ed in the clearance. Also authorizes a pilot to proceed to and make an approach at the destination airport.
Current induction. An electrical current being induced into, or generated in, any conductor that is crossed by lines of . ux from any magnet.
DA. See decision altitude.

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