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Thread: IRS versus INS
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Old 21st January 2001 | 17:34
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Genghis the Engineer
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It's all really only about terminology, but my understanding is: -

INS = Inertial Navigation System
IRS = Inertial Reference System

The gyro bit (physical or laser) is the IRS, the INS takes data from the IRS and uses it to navigate.

G