Built in 1968, by Halter Marine Incorporated of New Orleans, Louisiana (hull #176) as the Apache for Crowley Marine Services Incorporated of San Francisco, California.
The tug was later reflagged for a charter with the British Petroleum (BP) Oil Company of London, England. Along with the the Seminole, which was the Apache's sister ship. The two tugs towed the barges 450-2, and 450-4 out of Pedernales, Venezuela to Point Fortin, Trinidad.
In 2000, the contract ended when the BP Oil Company sold the Pedernales Oil Field to Perenco. The sale of the fields marked the end of Crowley Marine Services's contract managing marine operations there.
However, the two tugs continued transporting product for the Perenco Oil Company for several years. Until the field was shut down altogether.
In 2006, the tug was acquired by the Saje Shipping Company of Lagos, Nigeria. Where she was renamed as the Senators.
She was a twin screw tug, rated at 3,000 horsepower.