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    Re: Compass Checks at Sea
    From: Bruce Hamilton
    Date: 2008 May 22, 13:22 -0700
    I also used to do gyro checks by dock when firmly attached to a well charted pier. Measure the bearing of the dock and check the gyros.
     
    I have not read enough about them to be sure, but I think that fiber optic gyros don't require checking as there are no moving parts other than photons.  Have they made it into general service in merchant ships yet?  Their low maintenance costs were supposed to make them attractive.
     
     

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