compass correction card

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• compass correction card — A small card placed in the cockpit to show the compass deviation for each heading. The card reads the courses to be steered in lieu of the required headings. Also called a deviation card …   Aviation dictionary

• compass swinging — A procedure for calculating and correcting for the effects of an aircraft’s magnetic field on its magnetic compass. The aircraft is taken to a designated area where, with all its services that are normally on during a flight, its deviation is… …   Aviation dictionary

• Compass — This article is about the direction finding instrument used in navigation. For other uses, see Compass (disambiguation). A simple dry magnetic pocket compass …   Wikipedia

• compass card — A drumlike scale, marked in degrees from 001° to 360°, fastened around the float in an aircraft magnetic compass. Compass correction/deviation card …   Aviation dictionary

• calibration card — A card indicating instrument error and usually displayed near the instrument. It gives the corrected value of the instrument indicated reading. In some cases, the correction to be applied to the indicated reading instrument to get the correct… …   Aviation dictionary

• deviation card — A compass course correction card prepared after a compass swing. Also called a compass card. Deviation card …   Aviation dictionary

• Magnetic declination — Example of magnetic declination showing a compass needle with a positive (or easterly ) variation from geographic north. Magnetic declination is the angle between magnetic north (the direction the north end of a compass needle points) and true… …   Wikipedia

• navigation — navigational, adj. /nav i gay sheuhn/, n. 1. the act or process of navigating. 2. the art or science of plotting, ascertaining, or directing the course of a ship, aircraft, or guided missile. [1520 30; < L navigation (s. of navigatio) a voyage.… …   Universalium

• Nautical chart — A nautical chart is a graphic representation of a maritime area and adjacent coastal regions. Depending on the scale of the chart, it may show depths of water and heights of land (topographic map), natural features of the seabed, details of the… …   Wikipedia

• List of Chinese inventions — A bronze Chinese crossbow mechanism with a buttplate (the wooden components have …   Wikipedia

• Sundial — A sundial is a device that measures time by the position of the Sun. In common designs such as the horizontal sundial, the sun casts a shadow from its style (a thin rod or a sharp, straight edge) onto a flat surface marked with lines indicating… …   Wikipedia