Losos-class submarine

Class overview
Losos-class submarine
Builders:	Shipyard "Leningradskoe Admiralteyskoe Obedinenie" (Admiralteyskie Verfi), Saint Petersburg (Leningrad)
Operators:	Soviet Navy Russian Navy
In service:	1988-1997
Planned:	6
Completed:	2
Cancelled:	4
Laid up:	2
General characteristics
Displacement:	218 tons surfaced, 390 tons submerged
Length:	28.2 m (92 ft 6 in)
Beam:	4.8 m (15 ft 9 in)
Draught:	5.1 m (16 ft 9 in)
Depth:	Operational: 240 m (787 ft 5 in) Maximum: 300 m (984 ft 3 in)
Installed power:	Diesel-electric
Propulsion:	diesel electric, 2 diesel – 160 kW (210 hp); propulsion motor – 60 kW (80 hp)
Speed:	6.65 knots (12.32 km/h; 7.65 mph) (dived) 6.43 knots (11.91 km/h; 7.40 mph) (surfaced)
Endurance:	10 days
Test depth:	200 m (660 ft)
Complement:	9
Electronic warfare & decoys:	Active/passive radar and sonar
Armament:	2 mine-laying devices or 2 torpedoes

Project 865 Piranha (Russian: Проект 865 «Пиранья») is a type of Russian (formerly Soviet) midget submarine.^[1] The NATO reporting name for the class is Losos, which means "salmon" in the Russian language.

The Losos class was designed for special operations and engaging surface ships located offshore, and is thus very durable and almost completely silent.

The hull is made of a titanium alloy, which helps with signature management because it is not magnetic. The non-magnetic alloy would greatly reduce the effectiveness of enemy magnetic anomaly detectors or magnetic limpet mines against this type of vessel.

Only two Losos-class submarines were built: MS-520 and MS-521. Original planning called for a total of 12 Project 865 Piranha submarines to be constructed; this was eventually reduced to 6, then just the two. Launched in 1986 and 1990, respectively, they are in reserve but are expected to soon be discarded.

References

↑ Boyle, Darren. "New threat from Russia as Putin revives Cold War programme of midget 'Piranha' submarines that are virtually undetectable". dailymail.co.uk. Associated Newspapers Ltd. Retrieved 8 July 2015.

External links

Federation of American Scientists: Project 865 Piranya Losos Class

Soviet and Russian submarines after 1945

Ballistic missile nuclear submarines – SSBN	658 Hotel 667A Yankee 667B Delta I 667BD Delta II 667BDR Delta III 941 Typhoon 667BDRM Delta IV 955 Dolgorukiy

Cruise missile nuclear submarines – SSGN	659 Echo I 675 Echo II 670 Charlie I 670M Charlie II 661 Papa^S 949 Oscar I 949A Oscar II

Nuclear attack submarines – SSN	627A November 671 Victor I 671RT Victor II 671RTM Victor III 705/705K Alfa 945 Sierra I 945A Sierra II 685 Mike^S 971 Akula 885 Severodvinsk

Conventional ballistic missile submarines – SSB	AV611 Zulu IV 629 Golf

Conventional cruise missile submarines – SSG	644/665 Whiskey (missile) 651 Juliett

Conventional attack submarines – SS or SSK	611 Zulu 613 Whiskey 615 Quebec 617 Whale^S 633 Romeo 641 Foxtrot 641B Tango 877 Kilo 636 Improved Kilo 677 St. Petersburg Kalina

Auxiliary submarines – SSA	690 Bravo 940 India 1710 Beluga^S 1840 Lima^S 1910 Uniform 865 Losos Sarov^S

S Single ship of class

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