Cockpit Reference Guide

Garmin G1000 Cockpit Reference Guide for the Hawker Beechcraft C90A/GT
190-00664-00 Rev. A
62
Annunciations & Alerts
Miscellaneous Message Advisories (Cont.)
Message Comments
MAG VAR WARN – Large
magnetic variance. Verify all course
angles.
The GDU’s internal model cannot determine the
exact magnetic variance for geographic locations
near the magnetic poles. Displayed magnetic
course angles may differ from the actual
magnetic heading by more than 2°.