Lada class submarine

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Career

Ordered:	4 as of 2007
Laid down:	December 1997
Launched:	October 2004 (first of class)
Commissioned:	?
General characteristics
Length	Ca. 72 m (236 ft)
Beam	Ca. 7 m (23 ft)
Draft	Ca. 6.5 m (21.3 ft)
Displacement	2,700 tonnes submerged
Propulsion	Electric propulsion motor on permanent magnets Storage battery with increased service life Two diesel Air Independent Propulsion (AIP) systems based on oxygen-hydrogen fuel cells (1 shaft, 2700 SHP)
Complement	38 officers and men
Armament:	Six 533 mm torpedo tubes, capable of carrying 18 torpedoes and tube launched cruise missiles (18 SET 16 torpedoes, Novator Al'fa or Oniks SSM, RPK-6/SS-N-16 Vodopod/Stallion SUBROC)
Speed	Over 20 knots (37 km/h)
Maximum Depth	300 m (984 ft)
Endurance	45 days

The Russian Navy's Project 677 Лада (Lada) is a submarine class designed by the Russian Rubin Design Bureau. The class is sometimes referred to as the Saint Petersburg (or Sankt Petersburg) class, after their lead ship. A program to develop a "fourth generation" diesel-electric submarine, it produced a highly improved version of the Project 636 Kilo class with much better quieting, new combat systems, and air-independent propulsion.

St. Petersburg began initial sea trials on 29 November 2005.

The Lada-class diesel submarine launched in October 2004 is the best in the class featuring virtual silence, powerful missiles and torpedoes, and sophisticated sonar equipment. The Admiralty Shipyard is building another three Lada-class submarines, and plans to launch between four and six of them by 2015.

Several less capable variants — like the Project 1650 Амур class (named for the Amur river) — have been designed for export.