standard compass

standard compass

[′stan·dərd ′käm·pəs]
(navigation)
A compass designated as the standard for a vessel; it is located in a favorable position, that is, a position with a minimum magnetic aberration, and is accurately calibrated.
References in periodicals archive ?
Use the standard compass or a landmark to locate north.
The standard Compass Call crew consists of a normal C-130 flight crew of four, one EW Officer/Mission Commander, a Cryptologic Linguist/Mission Crew Supervisor, and one High-Band Operator to run the Rivet Fire countermeasures suite.
Full browser ?