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Search: Posts Made By: Gulfcapt

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Forum: Tech Log

12th Sep 2010, 11:53

Replies: 52

True north and IRS

Views: 14,247

Posted By Gulfcapt

Thanks Dude, I stand corrected on my terminology....

Thanks Dude, I stand corrected on my terminology. Our two jets both came from the OEM with one of the three IRS racks aboard out of alignment. It was no small task to have this corrected by them....

Forum: Tech Log

11th Sep 2010, 13:13

Replies: 52

True north and IRS

Views: 14,247

Posted By Gulfcapt

Rudderrat got a great explanation, well said. ...

Rudderrat got a great explanation, well said.

If I could add just a couple of points:

Modern IRS's sense the earth's rotational velocity during alignment; therefore, it knows what latitude it...

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