Polar Op - Polar navigation - compass

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This calculator requires JavaScript to compute its result. The formula, symbols, and regulatory sources are shown in the Formula section below.

Formula, assumptions, and limits

\text{Op} = \text{Polar navigation - compass}

Symbol	Meaning	Unit
$Polar navigation - compass$	Gyro unreliable > 80° lat

Source: IMO Polar Code (MSC.385(94))

Polar navigation - compass operation card: Gyro unreliable > 80\u00b0 lat.