HSL-class inshore patrol vessel

HSL class of Inshore patrol vessels (IPV) is a series of eight watercraft being built by state owned M/s Hindustan Shipyard limited Visakapatnam. for Indian Coast Guard. The vessels are based on Marine Technology Development Ltd (MTD) design. Their yard numbers ranges from 11165 to 11172. Their contractual delivery period is stated from August 2013 to May 2015. It is a follow on class (phase-2) of Rani Abbakka class inshore patrol vessel which is based on Australian Thornycroft design.