Russian submarine K-336 Pskov ) is a attack submarine of the Russian Navy. She is named after the Russia

Russia

Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

n city Pskov

Pskov

Pskov is an ancient city and the administrative center of Pskov Oblast, Russia, located in the northwest of Russia about east from the Estonian border, on the Velikaya River. Population: -Early history:...

.

History

This ship, originally named Okun (Perch), was laid down as the last Sierra-II class

Sierra class submarine

The Sierra I class or Project 945 nuclear submarine was the Soviet Union's successor class to the partly successful Project 705 Lira class submarine...

 submarine in 1990 at the Krasnoye Soromovo factory in Nizhny Novgorod

Nizhny Novgorod

Nizhny Novgorod , colloquially shortened to Nizhny, is, with the population of 1,250,615, the fifth largest city in Russia, ranking after Moscow, St. Petersburg, Novosibirsk, and Yekaterinburg...

. After the hull was launched

Ship naming and launching

The ceremonies involved in naming and launching naval ships are based in traditions thousands of years old.-Methods of launch:There are three principal methods of conveying a new ship from building site to water, only two of which are called "launching." The oldest, most familiar, and most widely...

 in 1992, it was towed to the Sevmash shipyard in Severodvinsk

Severodvinsk

Severodvinsk is a city in the north of Arkhangelsk Oblast, Russia, located in the delta of the Northern Dvina River, west of Arkhangelsk. Administratively, it is incorporated as a town of oblast significance . Municipally, it is incorporated as Severodvinsk Urban Okrug. The city was founded as...

 for completion and sea trial

Sea trial

A sea trial is the testing phase of a watercraft . It is also referred to as a "shakedown cruise" by many naval personnel. It is usually the last phase of construction and takes place on open water, and can last from a few hours to many days.Sea trials are conducted to measure a vessel’s...

s.

The boat was commissioned in 1993, serving in the Russian Northern Fleet and based in Ara Bay, Vidyaevo.

On March 5, 2003, the Pskov was being overhauled in a dry dock

Dry dock

A drydock is a narrow basin or vessel that can be flooded to allow a load to be floated in, then drained to allow that load to come to rest on a dry platform...

 in Roslyakovo

Roslyakovo

Roslyakovo is an urban locality in Murmansk Oblast, Russia, located on the Kola Peninsula on the Kola Bay, west of Severomorsk. Population: It was founded around 1896....

. The wood scaffolding

Scaffolding

Scaffolding is a temporary structure used to support people and material in the construction or repair of buildings and other large structures. It is usually a modular system of metal pipes or tubes, although it can be from other materials...

 surrounding the hull was ignited by the welding

Welding

Welding is a fabrication or sculptural process that joins materials, usually metals or thermoplastics, by causing coalescence. This is often done by melting the workpieces and adding a filler material to form a pool of molten material that cools to become a strong joint, with pressure sometimes...

 work that was done to the ship, and a fire broke out. After 90 minutes, the fire was put out, and the Pskovs outer soundproofing

Soundproofing

Soundproofing is any means of reducing the sound pressure with respect to a specified sound source and receptor. There are several basic approaches to reducing sound: increasing the distance between source and receiver, using noise barriers to reflect or absorb the energy of the sound waves, using...

 rubber coating was damaged. There were no casualties or radiation

Radiation

In physics, radiation is a process in which energetic particles or energetic waves travel through a medium or space. There are two distinct types of radiation; ionizing and non-ionizing...

leakage. The submarine is believed to be operational since early 2007.

External links

• Nuclear submarine on fire, Bellona
• Type 945 "Sierra" class, Aeronautics.ru
• RFS Pskov Webpage