"Tetis-N" type manned submersible
design 16051
 PHOTOS



 In 1990 were delivered four submersibles of "Tetis-N" type. They were modernized "Tetis" 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) 4.33
Breadth (m) 3.30
Height (m) 2.04
Displacement (tonnes) 2.96
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 worktime (hr)
 6
Passive submerged period (hr) 24
Power supply
 power is supplied by means of a cable from a support vessel
Number of units 4
Years of building 1990
Built by "Leningradskoe Admiralteyskoe Obyedinenie", Leningrad, USSR

List of submersibles
Yard. №
 Date of built
 Name
01851
 06.10.1990
 ?
01852
 27.09.1990
 ?
01853
 31.10.1990
 ?
01854
 30.11.1990
 ?



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