INS Sahyadri (F49)

INS Sahyadri (F49) is a Shivalik class stealth multi-role frigate built for the Indian Navy. She was built at the Mazagon Dock Limited (MDL) located in Mumbai. Construction of the vessel began in 2003 and was completed by 2011. She underwent sea trials from thereon before being commissioned on 21 July 2012 into the Eastern Naval Command headquartered at Visakhapatnam.

INS Sahyadri features improved stealth and land attack capabilities over the preceding Talwar-class frigates.

Design and description

The Indian Navy conceived Project 17 for design of stealthy frigates to be designed and built in India. The Directorate of Naval Design (DND)'s design of the Shivalik class called for a "5000 ton stealth frigates (Project 17) incorporating advanced signature suppression and signature management features". The first three units were formally ordered by the Indian Navy in early 1999.

General characteristics and propulsion

INS Sahyadri has a length of 142.5 m (468 ft) overall, a beam of 16.9 m (55 ft) and a draft of 4.5 m (15 ft). The ships displaces about 4,900 tonnes (4,800 long tons; 5,400 short tons) at normal load and 6,200 tonnes (6,100 long tons; 6,800 short tons) at full load. The complement is about 257, including 35 officers.