GJB 6850.170-2009 Surface ship mooring and sailing test procedures part 170: Steering gear test has been changed from GJB 524.9-1988 Procedures for mooring and sailing test of speedboats (planing boats) emergency steering test.
GJB 6850.170-2009 Surface ship mooring and sailing test procedures part 170: Steering gear test has been changed from GJB 350.15-1987 Surface combat ship mooring and navigation test procedures Steering gear testing.
GJB 6850.170-2009 Surface ship mooring and sailing test procedures part 170: Steering gear test has been changed from GJB 164.13-1986 Landing ship mooring and navigation test procedures Rudder device testing.
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