Sea Topaz

History
Included here as it is listed in "CNCo. A Pictorial History 1872-2012"

March 1976. Delivered as "Sea Topaz" as an offshore supply vessel, pipe carrier.

1979. Renamed "Northern Explorer".

1979. Converted to a diving support vessel.

1980. Renamed "Maersk Defender".

1991. Renamed "OSA Defender".

1992. Converted to an Offshore Maintenance vessel.

1980. Renamed "Maersk Defender".

1997. Renamed "American Defender".

2001. Renamed "Seaway Defender". and modified, grt. now 1828 tons.

2006. Renamed "DSRV Epic Diver".

2007. Renamed "Epic Diver".

March 2011. Broken up.