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Showing results for tags 'gps primary'.
Hello all, While flying this superb bird around in the pacific a lot recently, I noticed a strange behaviour when crossing 180° of longitude. I encountered this behaviour each time on three different flights crossing 180° W/E: Amber GPS PRIMARY LOST is displayed, a triple-clic sounds, the ND is shifting fast until it gets back to the current position. It takes about 3-5 seconds, then everything is back to normal, at least in two out of three cases. In one case, near the destination, the AP also disconnected. So far I did not record a video, but the situation should be easily reproducible. It looks like the IRS/GPS is somehow glitching here...