航空术语词典Dictionary of Aeronautical Terms 中

时间：2011-03-11 23:13来源：蓝天飞行翻译 作者：admin 点击：次

flaw. An imperfection in a material, often concealed, that impairs soundness.
fleet weight (aircraft operation). The average weight of aircraft of the same model that have the same equipment installed. Operations under 14 CFR Part 121 and 135 may use fleet weight, rather than having to weigh each individual aircraft.
Fleming’s rule for direction of magnetic flux. Place the fingers of the right hand around a current-carrying conductor in such a way that the thumb points in the direction of conventional current flow (from positive to negative). The fingers encircle the wire in the same direction as the lines of flux.
Fleming’s rule for electric generators. This is the rule for determining the direction of current flow in a wire caused by the wire passing through a magnetic field.
Hold the right hand with the thumb, first finger, and second finger extended so that they are at right angles to each other. When the first finger points in the direction of the lines of magnetic flux (from the north pole to the south pole), and the thumb points in the direction the wire is moving through the field, the second finger points in the direction of conventional current flow (from positive to negative).
Fleming’s rule for electric motors. The rule for determining the direction of movement of a current-carrying conductor in a magnetic field.
Hold the left hand with the thumb, first finger, and second finger extended so that they are at right angles to each other. When the first finger points in the direction of the lines of magnetic flux (from the north pole to the south pole), and the second finger points in the direction of conventional current flow (from positive to negative), the thumb points in the direction the conductor will move.
flexibility. The characteristic of a material that allows it to be repeatedly bent within its elastic limits and still return to its original condition each time the bending force is removed.

flexible control cable (aircraft control system component). A steel cable used to connect the cockpit
controls to the control surfaces. Flexible cable is made up of seven strands of wire, with each stand being made up of seven individual wires. This is called 7 x 7 cable.
Extra-flexible cable has seven strands, with each strand made of 19 wires, and nonflexible cable is made of either seven or 19 solid wires wound into a cable.

“Flight check” (air traffic control). A call-sign prefix used by FAA aircraft engaged in flight inspection/certification of navigational aids and flight procedures.
flight controller (automatic pilot component). The command unit of an automatic pilot. The human pilot is able to control the flight of the aircraft when the automatic pilot is engaged by using the controls on the flight controller.
flightcrew member. 14 CFR Part 1: “A pilot, flight engineer, or flight navigator assigned to duty in an aircraft during flight time.”
flight deck (aircraft compartment). The compartment in a large aircraft in which all the flight, engine, communications, and navigation controls are located.

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