“Honeywell's inertial reference systems navigate only in true but display magnetic headings to pilots,” Jerry Norton reminded readers. “However, at 72.5 deg. N, they are programmed to switch to true course.” A retired avmanager at Honeywell, Norton logged considerable time piloting a Gulfstream in avionics trials in the high latitudes. Above 80 deg. N, “just like going across the Pacific,” he observed, “there are not a lot of alternates, just Barrow, Deadhorse, and Spitsbergen ...


You must be a paid subscriber to access "Some Advice on Inertial Nav".


Current Aviation Week Intelligence Network (AWIN) enterprise and individual members: please go to http://awin.aviationweek.com for access.


Not currently a subscriber? Click on the "Learn More" button below to view subscription offers.

Already registered? here.