GJB 6850.125-2009 Surface ship mooring and sailing test procedures part 125: magnetic compass test has been changed from GJB 524.41-1988 Procedures for mooring and sailing test of speedboats (planing boats) magnetic compass test.
GJB 6850.125-2009 Surface ship mooring and sailing test procedures part 125: magnetic compass test has been changed from GJB 350.57-1987 Surface combat ship mooring and navigation test procedures magnetic compass test.
GJB 6850.125-2009 Surface ship mooring and sailing test procedures part 125: magnetic compass test has been changed from GJB 164.50-1986 Landing ship mooring and navigation test procedures magnetic compass test.
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