The Fremantle-class patrol boats were coastal patrol vessels operated by the Royal Australian Navy (RAN) from 1979 to 2007. Designed by British shipbuilder Brooke Marine and constructed in Australia by NQEA, the Fremantle class were larger, more powerful, and more capable than the preceding Attack class, and the two primary patrol boat bases required infrastructure upgrades to support them. Although up to 30 vessels were planned, fifteen were ordered and constructed, with an unexercised option for five more.
Garden Reach Shipbuilders & Engineers Ltd, abbreviated as GRSE, is one of India's leading shipyards, located in Kolkata. It builds and repairs commercial and naval vessels. GRSE also exports the ships that the company builds.
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 "Estaleiros Navais de Goa", to build barges to be used in Goa's growing mining industry, which took off after the establishment of India's blockade of Goa in 1955. In the wake of Portugal's defeat and unconditional surrender to India following the 1961 Indian annexation of Goa, it was requisitioned to manufacture warships for the Indian Navy and the Indian Coast Guard.
The Car Nicobar class of high-speed offshore patrol vessels are built by Garden Reach Shipbuilders and Engineers (GRSE) for the Indian Navy. The vessels are designed as a cost-effective platform for patrol, anti-piracy and rescue operations in India's exclusive economic zone. In 2023, one of the ships, INS Tarmugli, was donated to the Maldivian Coast Guard.
ABG fast interceptor craft are a series of thirteen 26-metre (85 ft) high-speed interceptor boats designed and supplied in knocked down kits by Henderson based Global Marine Design and assembled by ABG Shipyard, Surat for the Indian Coast Guard.
Solas Marine fast interceptor boats (FIC) are vessels being built for the Indian Navy by a shipyard located along the Hamilton Canal at Wattala, near Colombo, owned by Solas Marine Lanka (Pvt) Ltd. Solas Marine Lanka (Pvt) Ltd is part of Dubai-based Solas Marine Services Group.
The Makar-class survey catamarans are a series of six 500 ton steel hull/aluminium superstructure Hydrographic Survey Catamarans being built by Alcock Ashdown (Gujarat) Ltd at its Bhavnagar shipyard for the Indian Navy. The ships are designed by an Australian naval architecture firm Sea Transport Solutions, which is based on Queensland's Gold Coast. The deal was canceled due to the extensive delays as the Navy was not satisfied with the timeline and a fresh award for construction of another class of survey vessels to the GRSE has also been undertaken.
The ABG class of cadet training ships is a series of three vessels being built by the ABG Shipyard in Gujarat for the Indian Navy.
The Samudra-class Pollution Control Vessel is a class of three vessels built by the ABG Shipyard in Gujarat for Indian Coast Guard.
The Rajshree-class patrol vessels are a series of eight inshore patrol vessels built by Garden Reach Shipbuilders & Engineers (GRSE), Kolkata for the Indian Coast Guard.
The Samarth-class offshore patrol vessel are a series of eleven offshore patrol vessels being built by Goa Shipyard Limited for the Indian Coast Guard. The construction of Samarth class was motivated by a desire to triple the Coast Guard assets in the aftermath of 2008 Mumbai attacks. They are an improvement over the earlier Sankalp class, with a larger beam and more powerful engines. The ships are being constructed in two batches—a batch of six ordered in May 2012 that was completed in December 2017 and a follow-on batch of five ordered in August 2016.
The Jija Bai class were seven mid-shore patrol vessels of the Indian Coast Guard, designed by Sumidagawa Shipyard Co. Ltd., Tokyo, and jointly built by Sumidagawa and Garden Reach Shipbuilders & Engineers, Kolkata between 1983 and 1985.
Priyadarshini-class patrol vessels are a series of 8 mid-shore fast patrol boats, built by Garden Reach Shipbuilders & Engineers, Kolkata and Goa Shipyard Limited, Vasco da Gama, Goa for Indian Coast Guard between 1991 and 1998.
The Bristol class of interceptor craft are a series of watercraft built by Bristol Boats, a division of Chika Pvt. Ltd Aroor, for the Indian Coast Guard. These boats are intended for carrying out patrol duties in shallow water areas near the coastline. The contract was signed on 22 March 2004 for acquisition of eight Interceptor Boats by the Indian Coast Guard at a total cost of Rs 3.74 crores. The first craft became operational on 1 December 2004.
GRSE Mauritius offshore patrol vessel (MOPV) is a corvette being built by Garden Reach Shipbuilders and Engineers (GRSE), Kolkata, for the National Coast Guard of Mauritius.
The Anti-Submarine Warfare Shallow Water Craft (ASW-SWC) corvettes, are a class of anti-submarine warfare (ASW) vessels currently being built for the Indian Navy, by Cochin Shipyard (CSL) and Garden Reach Shipbuilders & Engineers (GRSE). They were conceived as a replacement to the ageing Abhay-class corvettes of the Indian Navy, and are designed to undertake ASW duties – including subsurface surveillance in littoral waters, search-and-attack unit (SAU) missions and coordinated anti-submarine warfare operations with naval aircraft. They were also designed to provide secondary duties – including defense against intruding aircraft, minelaying and search-and-rescue (SAR).
The Sandhayak-class survey vessels are a series of four survey vessels being built by Garden Reach Shipbuilders and Engineers (GRSE), Kolkata for the Indian Navy. The first vessel was commissioned in 2021. The primary role of the vessels would be to conduct coastal and deep-water hydro-graphic survey of ports, navigational channels, Economic Exclusive Zones and collection of oceanographic data for defence. Their secondary role would be to perform search & rescue, ocean research and function as hospital ships for casualties.
The Next-Generation Offshore Patrol Vessel(NGOPV) are a series of eleven offshore patrol vessel planned to be built by Goa Shipyard (GSL) and Garden Reach Shipbuilders & Engineers (GRSE) for the Indian Navy. The deal was signed on 30 March 2023 with the delivery of the ships is scheduled to commence from September 2026. The primary role of the vessels to maintain Indian Navy's combat capability and meet various operational requirements such as Anti piracy, Counter-Infiltration, Anti poaching, Anti trafficking, Non combatant evacuation operations, Search and Rescue (SAR), Protection of Offshore Assets and Mine warfare.
GSL-class patrol vessels are a series of eight fast patrol vessels (FPVs) being built for the Indian Coast Guard by Goa Shipyard Limited in Vasco da Gama, Goa.
