04.04.2008, Butterfly and SPT Challenger alongside at Oiltanking, Houston.

Butterfly
IMO number : 9324459
Name of ship : BUTTERFLY
Call Sign : C6UP2
Gross tonnage : 26913
Type of ship : Oil Products Tanker
Year of build : 2005
Flag : Bahamas
Status of ship : In Service

SPT Challenger
IMO number : 9336402
Name of ship : SPT CHALLENGER
Call Sign : C6WG9
Gross tonnage : 57657
Type of ship : Crude Oil Tanker
Year of build : 2007
Flag : Bahamas
Owner: Grimstad Shipping Co. Ltd.
Manager: Bergshav Management AS
Yard: Tsuneishi Corporation
Loa: 240.5 m
B: 42 m
Draught: 14.85 m
GT: 57,657
NT: 32,116
DWT: 105,850