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Questions about inertial navigation systems which sense an aircraft's motion to determine location as it travels.

14 votes
2 answers
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Why did the Boeing 787 switch back to separate IRS systems?

The Boeing 737 uses two independent IRS systems (see also Why are there two IRS switches on the 737NG?): (source: 737 NG FCOMv2 (11.10.21 - Flight Management, Navigation - Controls and Indicators)) …
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