My son used my device on Friday and he told me that when flying SD showed his exact position on the chart but the aircraft symbol was orientated 90 degrees away from his track and the projected line in front of the aircraft pointed the same direction as the aircraft symbol. I thought the device was faulty (chinese no name) and I loaded the  software onto my 4.3 inch Airbox AWARE. and on his return flight it did the same thing. He was in a Strike master jet and travelled at approx 240 knots. his entire flight was West to East and then returning East to West, so the aircraft symbol pointed North on the 2nd trip and he can't remember  whether it was pointing North or South on the first trip because he just turned it off in frustration.  Could the speed make it do that? Any ideas? or some interference from the jet.

Perhaps a far fetched possibility , but could the device have a G sensor and the actual map was rotated?

Very Newbytheway

DurhamTeaseAirport

I'll have to pass on the 'G' sensor idea.The device used on the second flight was the 4.3 inch Airbox AWARE with the track 'North Up. although he hadn't set a route on it he was just using it as a moving map. I've never encountered this problem myself but then again the fastest thing I fly is an Archer. But he has lost a bit of confidence with it happening twice.