INS ''Arighat'' is an upgraded variant of the . It is the second

nuclear-powered Nuclear power is the use of nuclear reactions to produce electricity. Nuclear power can be obtained from nuclear fission, nuclear decay and nuclear fusion reactions. Presently, the vast majority of electricity from nuclear power is produced b ...

ballistic missile submarine being built by

India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...

under the Advanced Technology Vessel (ATV) project to build nuclear submarines at the Ship Building Centre in

Visakhapatnam , image_alt = , image_caption = From top, left to right: Visakhapatnam aerial view, Vizag seaport, Simhachalam Temple, Aerial view of Rushikonda Beach, Beach road, Novotel Visakhapatnam, INS Kursura submarine museu ...

. It has the code name ''S3''. The submarine was quietly launched in 2017 and little has been publicly announced about its capabilities and current status. The submarine was originally known as INS ''Aridhaman'' but was renamed INS ''Arighat'' upon its launch. According to reports released in early 2021, she was to be commissioned in late 2021 alongside INS ''Vikrant''.

Description

The boat will have one seven-blade propeller powered by a

pressurised water reactor A pressurized water reactor (PWR) is a type of light-water nuclear reactor. PWRs constitute the large majority of the world's nuclear power plants (with notable exceptions being the UK, Japan and Canada). In a PWR, the primary coolant (water) is ...

. It can achieve a maximum speed of when on surface and when submerged. The submarine has four launch tubes in its hump, just like her predecessor. She can carry up to 12 K-15 Sagarika missiles (each with a range of ), or four of the under-development K-4 missiles (with a range of ).

Status

She was outfitted in December 2010, it was announced by the navy officers that she would be launched in mid or late 2011. In the event, years of delay ensued and, in October 2017, it was reported that she would be launched in November or December and would undergo outfitting. The launch took place on 18 October 2017. ''Arighat'' was expected to be commissioned in 2021. , INS ''Arighat'' was undergoing harbour trials and was slated to be commissioned in 2022. INS ''Arighat'' has not been commissioned as of 5 February 2023, and an official commissioning date has not been announced. A report in the Hidustan Times states that INS ''Arighat'' will be commissioned in 2024.

Description

Status

References

See also