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Thread: Difference between IRS and INS
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Old 1st March 2009 | 06:25
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411A
 
Joined: Mar 2000
Posts: 8,571
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From: Arizona USA
Somebody told me that the INS employs mechanical gyros whereas IRS uses l@ser gyros. Is that right?
Generally, yes.
The original Litton INS units demonstrated a maximum guaranteed radial error limit of 2 NM per hour of operation.
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