compass error
21Navigation — This article is about determination of position and direction on or above the surface of the earth. For other uses, see Navigation (disambiguation). Table of geography, hydrography, and navigation, from the 1728 Cyclopaedia. Navigation is the… …
22Magnetic deviation — Deviation table for steering compass on Dar Młodzieży Magnetic deviation is the error induced in a compass by local magnetic fields, which must be allowed for, along with magnetic declination, if accurate bearings are to be calculated. In… …
23Magnetic 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… …
24Course (navigation) — In navigation, a vehicle s course is the angle that the intended path of the vehicle makes with a fixed reference object (typically true north). Typically course is measured in degrees from 0° clockwise to 360° in compass convention (0° being… …
25deviation — i. The angular difference between a magnetic and a compass heading. It is a compass error caused by the compass magnet attempting to align with the aircraft’s local magnetic field. The deviation error changes with the aircraft heading and the… …
26magnetic north — The direction to the north magnetic pole at a given place and time. This differs from the direction towards which the north end of a compass points by a small individual compass error and by the effect of any local magnetic attraction [25] …
27swing — [swiŋ] vi. swung, swinging [ME swingen < OE swingan, akin to Ger schwingen, to brandish < IE base * sweng , to curve, swing] 1. to sway or move backward and forward with regular movement, as a freely hanging object or a ship at anchor;… …
28quadrantal deviation — noun : the part of the compass deviation due to the transient magnetism induced in the horizontal soft iron of a ship by the horizontal component of the earth s magnetism * * * quadrantal deviation, a compass error …
29time azimuth — noun : an observation by compass of the azimuth of a celestial body made at a specific time as a step in computing the compass error …
30CE — • chronometer error compass error. • Civil Engineering • Concept Exploration • Conseil de l Europe (Strasbourg) …
