This standard specifies the classification, technical requirements and test methods of windlasses and anchor winches (hereinafter referred to as windlasses unless otherwise specified). This standard applies to electric, hydraulic and steam driven windlasses, anchor winches and external force driven anchor winches for seagoing vessels. In addition to complying with this standard, the combined anchoring and mooring machine shall comply with the relevant provisions of GB4446.
GB/T 4447-1992 history
2008GB/T 4447-2008 Sea-going vessels.Windlasses and anchor capstans
1992GB/T 4447-1992 Ses-going vessels--Windlasses and anchor capstans