Geophysical survey ship seen moored at Terminal 5 on the Willamette River. She was originally built as a British fishing trawler, then rebuilt in 1982.

The floating dock she is tied up to is the lower hull of the Liberty Ship RICHARD HENRY DANA, built 1942 and in service as such since 1971.

MMSI #: 341632000
Owner: Ho Choi Marine Ltd, Hong Kong
Manager: Ho Choi Marine Ltd, Hong Kong
Operator: EGS Group, Sydney, NSW
Flag: St. Kitts & Nevis
Hailing Port: Basseterre
Call Sign: V4YI
Length: 74.8 m
Beam: 12.3 m
Draught: 5.7 m
Tonnage: 1,748 GT/632 DWT
Propulsion: 2x CAT diesel, 1,770 kW
Year of Build: 1967
Builder: Goole Shipbuilders, Goole, UK
Yard Number: 554
Former Name:
EGS EXPLORER (2008-13)
ALLIED COMMANDER (2004-08)
SEAWAY COMMANDER (1990-2004)
NORTH SEA COMMANDER (1988-90)
DRIVE PERFORMER (1985-88)
ARCHIMEDES (1981-85)
SWANELLA (1967-81)