''Sankalp''-class offshore patrol vessels are a series of two offshore patrol vessels designed and built by

Goa Shipyard Limited Goa Shipyard Limited (GSL) is an Indian Government owned ship building company located on the West Coast of India at Vasco da Gama, Goa. It was established in 1957, originally by the colonial government of the Portuguese in India as the "Estalei ...

for the

Indian Coast Guard The Indian Coast Guard (ICG) is a maritime law enforcement and search and rescue agency of India with jurisdiction over its territorial waters including its contiguous zone and exclusive economic zone. The Indian Coast Guard was formally es ...

. The vessels, also classified as Advanced Offshore Patrol Vessels, are the largest vessels constructed by Goa Shipyard Limited. ''Samarth'' class and ''Saryu'' class were derived from this class of offshore patrol vessels.

History

In March 2004, the Indian Coast Guard placed an order for a single Advanced Offshore Patrol Vessel at a cost of . In August 2005, a repeat order was placed at the same cost for a similar vessel under options clause of the original contract.

Description

''Sankalp''-class vessels have an

overall length The overall length (OAL) of an ammunition cartridge is a measurement from the base of the brass shell casing to the tip of the bullet, seated into the brass casing. Cartridge overall length, or "COL", is important to safe functioning of reloads i ...

of 105 metres, a 12.9 metre

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and a draught of 3.6 metres. They are powered by two

SEMT Pielstick SEMT Pielstick was a French company that designed and built large diesel engines. Its full name was (Company of Thermal Machines Studies). Founded in 1948, SEMT was bought by MAN Diesel in 2006 During its existence as an independent compan ...

20 PA6B STC diesel engines rated at a combined , each driving a

Wärtsilä Wärtsilä Oyj Abp (), trading internationally as Wärtsilä Corporation, is a Finnish company which manufactures and services power sources and other equipment in the marine and energy markets. The core products of Wärtsilä include technolo ...

WCP 5C10 controllable-pitch propeller. They have a top speed of 24 knots and a range of 6,500 nautical miles at 12 knots. ''Sankalp'' class is armed with two 30 mm CRN-91 naval guns controlled by a fire control system and two 12.7 mm "Prahari" machine guns. They are equipped with external firefighting systems, an integrated bridge system and an integrated machinery control system. ''Sankalp''-class ships can carry five high-speed boats capable of search and rescue, interception and pollution control missions. The vessels of this class have been classified by both

Indian Register of Shipping Indian Register of Shipping (IRClass) is an internationally recognised, independent ship classification society, founded in India in 1975. It is a public limited company incorporated under Section 25 of the Indian Companies Act 1956 (Section 8 ...

and

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Operational history

In August 2011, ICGS ''Sankalp'' participated in a mission to control an oil spill off the coast of Mumbai. In September 2012, ''Sankalp'' was tasked to fight a fire onboard MV ''Amsterdam Bridge''. ''Sankalp'' has undertaken goodwill visits to Malaysia, Australia, Indonesia, Qatar and Oman. In December 2013, a CRN-91 naval gun on ICGS ''Samrat'' was accidentally triggered as it was being repaired, partly damaging the Western Naval Command headquarters building in Mumbai. In June 2015, ICGS ''Samrat'' participated in a disaster relief mission to rescue 20 crew members of MV ''Jindal Kamakshi''. In December 2017, ICGS ''Samrat'' rescued 72 fishermen in distress off the coast of Kerala.

Ships of the class

References

Patrol ship classes Indian Coast Guard Ships of the Indian Coast Guard {{Ship classes of the Indian Coast Guard