Built by Rockwell International in Anaheim.
September 1968 launched as BEAVER IV, christened by Nancy Regan the wife of that time Governor of California Ronald Reagan.
Weight 13,200 kg, payload 900 kg. Dim. 7.95 x 3.05 x 3.70m.
Powered by five independently controlled thrusters, mounted in fixed positions; two vertical and two horizontal and one lateral, each is powered by a 5 hp electro motor.
Speed submerged 2.5 knots.
Range 6 – 8 hours.
Diving depth 610 metre.
Crew maximum 5.
She is used for viewing undersea oil drilling operations.
Till 1970 used as so when she was sold to the N.A. Rockwell, Seal Beach, California and renamed ROUGHNECK.
2012 Her owners given as International Underwater Contractors, New York, same name.
Antigua & Barbuda 2000 75c sg?, scott?
Palau 1995 32c sg903, scott327d
Source: Internet