1993IEC 60092-505/AMD1:1993 Electrical installations in ships; part 505: special features; mobile offshore drilling units; amendment 1
1984IEC 60092-505:1984 Electrical installations in ships. Part 505 : Special features - Mobile offshore drilling units
IEC 60092-505:1984 Electrical installations in ships. Part 505 : Special features - Mobile offshore drilling units was changed to IEC 61892-5:2000 Mobile and fixed offshore units - Electrical installations - Part 5: Mobile units.