The Shivalik class or Project 17 class is a class of multi-role frigates in service with the Indian Navy. They are the first stealth warships built in India


About the Construction :

ll the three ships of the class were constructed at the Mazagon Dock Limited.

The construction of the lead ship, Shivalik, commenced in December 2000.

The ship's keel was laid in July 2001 and was launched in April 2003. It underwent sea trials in February 2009 before being commissioned in April 2010.

The second ship, Satpura, was laid in October 2002. It was launched in June 2004 and commissioned in August 2011.

The third and final ship, Sahyadri, was laid in September 2003, launched in May 2005 and commissioned in July 2012.



Design Specification


Displacement: 6,200 tonnes (6,100 long tons; 6,800 short tons) full load[3]
Length: 142.5 m (468 ft)[4]
Beam: 16.9 m (55 ft)
Draught: 4.5 m (15 ft)
Installed power: 2 × Pielstick 16 PA6 STC Diesel engines
15,200 shp (11,300 kW)
2 × GE LM2500+
33,600 shp (25,100 kW)
Propulsion: boost turbines in CODOG configuration.
Speed: 32 knots (59 km/h; 37 mph)[5]
22 knots (41 km/h; 25 mph) (diesel engines)
Range: In excess of 5,000 nautical miles (9,000 km) at 18 kn (33 km/h)[6]
Complement: 257 (35 officers)[2]
Sensors and 1 × MR-760 Fregat M2EM 3-D radar
processing systems: 4 × MR-90 Orekh radar
1 × Elta EL/M-2238 STAR
2 × Elta EL/M 2221 STGR
1 × BEL APARNA
HUMSA (hull-mounted sonar array)
ATAS/Thales Sintra towed array systems