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747-400 INS Alignment problem

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Hi,in the 747-400 I start from a cold and dark situation. After inserting the GPS position into LSK 5R I get the message "insert INS position" twice, as I had moved the aircraft from another airport. That

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The way I understand it, and it seems to work for me, if I've moved the aircraft since the last flight, I always have to input the current GPS Pos in LSK5R twice, whether or not the INS has finished spooling up or not. Just down-selct the current GPS to the scratchpad, up-select it to LSK5R. Press CLR to clear the scratchpad, Then repeat. When the INS is done spooling, you should be good-to-go. Hope this helps...

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I will try so tonight. Thanks for your fast reply.Andreas HermesEDDH

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your advise did help. Everything is working fine. Thanks again.Andreas HermesEDDH

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