compass error
11Aircraft compass turns — In aviation, aircraft compass turns are turns made in an aircraft using only a magnetic compass for guidance.DescriptionA magnetic compass aboard an aircraft displays the current magnetic heading of the aircraft, i.e., the aircraft s direction of …
12northerly turning error — An error in an aircraft magnetic compass. In the Northern Hemisphere, the compass lags behind the turn when turning left or right through a northerly heading and races ahead when turning through a southerly heading. The error results because the… …
13Classical compass winds — The Tower of the Winds in Athens Classical compass winds refers to the naming and association of winds in Mediterranean classical antiquity (Ancient Greece and Rome) with the points of geographic direction and orientation. Ancient wind roses… …
14acceleration error — i. An error in magnetic compasses caused by acceleration forces acting on the dip compensating weight when an aircraft is flying in an east west direction. In the Northern Hemisphere, when the aircraft accelerates in an east west direction the… …
15turning error — One of the errors inherent in a magnetic compass in which the compass lags behind the actual turn when turning through the north and leads when turning through the south in the Northern Hemisphere. The error is caused by the difference in the… …
16one-hundred-and-eighty-degree error — An error caused by misreading the compass by flying the reciprocal of the desired course. This can be avoided by following the “red on red” rule, which is the traditional method for setting up a magnetic compass …
17Deviation of the compass — deviation de vi*a tion, n. [LL. deviatio: cf. F. d[ e]viation.] 1. The act of deviating; a wandering from the way; variation from the common way, from an established rule, etc.; departure, as from the right course or the path of duty. [1913… …
18Heeling error — Heel Heel (h[=e]l), v. i. [OE. helden to lean, incline, AS. heldan, hyldan; akin to Icel. halla, Dan. helde, Sw. h[ a]lla to tilt, pour, and perh. to E. hill.] (Naut.) To lean or tip to one side, as a ship; as, the ship heels aport; the boat… …
19quadrantal error — noun : a directional error of a radio compass caused by reradiated fields created around the metallic parts of the airplane …
20heeling error — noun Etymology: from present part of heel (III) : a deviation of a compass due to a ship s heeling which causes vertical magnetic forces to have a horizontal component and transverse horizontal magnetic forces to have a vertical component …
