compass correction card

[′käm·pəs kə′rek·shən ‚kärd]

(navigation)

A card posted in a holder near the magnetic compass, on which there is recorded the difference between the readings of the compass and the correct geomagnetic directions; these errors (deviations) are given for at least the four cardinal points; sometimes the card lists the compass bearings to be flown when it is desired to fly corresponding magnetic headings.

compass correction card

Compass correction/deviation 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.

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References in periodicals archive ?

A compass correction card should be placed next to the instrument to allow pilots to compensate for this error.

The magnetic compass: the simplest instrument in the panel also has simple requirements, but it can be the most difficult to use

Once the compass has been swung successfully, the results are recorded on a compass correction card, which is mounted next to the compass.

Mag compass upkeep: more than fluid fills: you might save money by helping with time-consuming calibrations, but a new replacement makes better sense than attempting major bench repairs

For that matter, does the whiskey compass correction card look like a student pilot had it for lunch?

The IFR preflight: a serious look in the logbooks of many "IFR-legal" aircraft would have even a St. Christopher statue booking seat 23D instead. blind trust has no place in blind flying