Russia built between 1973 and 1975 two manned submersible of Project 1600 of the TINRO-2 type.
Built by the Leningradskoe Admiralteyskoe Obyedinenie (Leningrad Admiralty Yard), Leningrad, Soviet Union for the Ministry of Fisheries of the USSR.
Yard no 01810 was delivered on 23 October 1973 and yard No 01811 was delivered 19 June 1975.
Displacement 10.5 ton, dim. 7.40 x 2.80m, height 2.90m.
Powered by rechargeable batteries driven two electro engines, speed 2.5 surface, submerged 3.2 knots.
Crew 2
Diving depth 400 metre.
She operated from a research vessel and was used in the study of distribution and migration of commercial fish, how fishing gears work during fishing, study of the shelf bottom fishing. Mostly a modified Alpinist type fishing vessel was used to carry the TINRO-2.
When the Soviet Union broke apart the TINRO-2 was transferred to the register of Ukraine. She was then for charter for all sorts of offshore diving work, managed by Mariecoprom Scientific Industrial Association, Sevastopol, Ukraine.
Around 2008 was she registered by the Vietnam Shipping Registry, owned by Cat Long Hai Joint Stock at Ho Chi Minh City, she was the first submersible under Vietnam flag.
What then has happened with her got murky, she was involved in a corruption scandal, see URL below.
http://lists.washlaw.edu/pipermail/deat ... 13228.html scroll down to Vietnam .
2016 Most probably still around. A Russian source gives she are dismantled in Vietnam.
Russia 1990 10k sg6196, scott5942.
Source: Internet.