"Tetis" type manned submersible
design 1605
 PHOTOS



 Six submersibles of this design were built at Leningrad. Depending of the task they can be operated under one of two modes, the submerged towage mode or the hydrostatic mode. Submersibles is equipped whith a radio and telephone communication, automatic camera with a flash, and can transmit video information on board of a support vessel.
 In 1990 additionally were delivered four modernized submersibles of "Tetis-N" type.
Purpose of the vessel:     - search and recording of fishery objects, and prediction and estimation of their stock
    - maintaining control over trawl operations
    - underwater teleshooting, filming and photography
Length (m) 4.30
Breadth (m) 3.21
Height (m) 1.80
Displacement (tonnes) 2.95
Weight (tonnes) 3
Speed under water (kn) 6
Crew 2
Operating depth when towed (m) 200
Operating depth under hydrostat condition (m) 300
Active submerged work time (hr)
 6
Passive submerged period (hr) 24
Power supply
 power is supplied by means of a cable from a support vessel
Number of units 6
Years of building 1972-1974
Built by "Leningradskoe Admiralteyskoe Obyedinenie", Leningrad, USSR

List of submersibles
Yard. №
 Date of built
 Name
01660
 01.09.1972
 "БК-72-01" ("BK-72-01")
01806
 02.09.1973
 "БК-72-02" ("BK-72-01")
01807
 28.12.1973
 "БК-72-03" ("BK-72-01")
01808
 22.08.1974
 "БК-72-04" ("BK-72-01")
01809
 16.12.1974
 "БК-72-05" ("BK-72-01")
01836
 16.12.1974 "БК-72-06" ("BK-72-01")



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