Science and Technology
In News: Defence Minister launched Y- 3023 Dunagiri, Project 17A frigate built by Garden Reach Shipbuilders Limited (GRSE) in Kolkata
- Christened after a mountain range in the state of Uttarakhand, ‘Dunagiri’ is the fourth ship of P17A Frigates.
- These are follow-on of the P17 Frigates (Shivalik Class) with improved stealth features, advanced weapons and sensors and platform management systems.
- The first two ships of P17A Project, were launched in 2019 and 2020 at MDL and GRSE respectively.
- The third ship (Udaygiri) was launched at MDL on 17 May 2022 earlier this year.
- Seven P17A Frigates are under various stages of construction at Mazagaon Dock Limited (MDL) and GRSE.
P17A Frigates
- The Nilgiri-class frigate or Project 17A is follow-on of the Project 17 Shivalik-class frigate for the Indian Navy.
- The frigates are built with extensive use of low-observability technologies, including new radar-absorbing coatings, composite materials and “faceted” shape superstructures.
- P17A ships have been designed in-house by Indian Navy’s Directorate of Naval Design (DND), which has successfully spear-headed design of numerous class of indigenous warships in the past.
Source: Pib.Gov
Previous Year Question
Q.1) Which one of the following is the best description of ‘INS Astradharini’, that was in the news recently? (2016)
- Amphibious warfare ship
- Nuclear-powered submarine
- Torpedo launch and recovery vessel
- Nuclear-powered aircraft carrier