GJB 6850.127-2009 Surface ship mooring and sea trial procedures part 127: Depth sounder test has been changed from GJB 524.46-1988 Procedures for mooring and sailing test of speedboats (planing boats) Depth sounder test.
GJB 6850.127-2009 Surface ship mooring and sea trial procedures part 127: Depth sounder test has been changed from GJB 350.61-1987 Surface combat ship mooring and navigation test procedures Depth sounder test.
GJB 6850.127-2009 Surface ship mooring and sea trial procedures part 127: Depth sounder test has been changed from GJB 164.52-1986 Procedures for landing ship mooring and navigation tests Depth sounder testing.
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