I have flown twice from hamburg to frankfurt both times when i am approx 120km from destination airport my screen goes blank (black) cannot reenter flight. Has anyone experienced this type of problem.Ialways start from cold & dark..............Regards robin

Do a search, there are many many posts concerning this issue. In summary, you are probably having an elecrtical issue which is being caused by the battery power running low.

George thank you for your assistance the problem was i was failing to turn on the bus switch have just flown a 2hr random flight no problems thanks again...............robin