BS MA 31 1973 Edition, 1973
Specification for Ships’ deck machinery cargo winches
Includes all amendments and changes through Reaffirmation Notice , February 2006
Additional Comments: W/D NO S/S
Published By:British Standards Institution (BSI)
Specifies requirements for design, construction, safety, performance, acceptance testing, and marking of ships' electric and hydraulic winches, without detailing the requirements for the prime mover used to operate the winch.