Nilgiri Class (Project 17A) Indian Frigate
The Nilgiri Class
Frigate
Other
Basic Information
Name
Nilgiri Class (Project 17A) Indian Frigate
Designation
The Nilgiri Class
Alternate Designation
The Nilgiri Class; Project 17A
Equipment Type
Frigate
Manufacturer
Mazagon Dock Shipbuilders Ltd, Mumbai; Garden Reach Shipbuilding & Engineering, Kolkata
Date of Introduction
2025
Description
The Nilgiri Class (Project 17A) Indian frigates are likely to form the core of the Eastern Fleet’s power projection and combat capabilities, joining the Shivalik class frigates and Delhi class destroyers as the premier frontline surface combatants of ENC.
Naval & Littoral Specifications
Crew
226
Beam
17.80 m
Draft
5.15 m
Variants
Nilgiri (F33)
Commissioned: 2025
Status: Active
Himgiri (F34)
Commissioned: 2025
Status: Active
Udaygiri (F35)
Commissioned: 2025
Status: Active
Dunagiri (F36)
Commissioned: 2026
Status: Sea Trials
Taragiri (F41)
Commissioned: 2025
Status: Sea Trials
Vindhyagiri (F42)
Commissioned: 2026
Status: Sea Trials
Mahendragiri (INA)
Commissioned: 2026
Status: Sea Trials
System
Alternative Designation
The Nilgiri Class; Project 17A
Type
Frigate
Builder
Mazagon Dock Shipbuilders Ltd, Mumbai; Garden Reach Shipbuilding & Engineering, Kolkata
Crew
226 ea
Dimensions
Length
149.02 m
Height
INA
Beam
17.8 m
Draft
5.15 m
Displacement, Full Load
6,670 tons (6,564.7 (uk) t) (7,352.4 t (short)) (6,670,000 kg)
Propulsion System
Engine Name
2 x GE LM2500 gas turbines; 2 x MAN 12V28/33D diesels
Engine Type
Turbine; Diesel
Engine Power
Turbine: 44,000 hp; Diesel: 16,092 hp
Maximum Range
5,500 n miles (10,186.0 km) (6,329.3 miles) at 16 kt (29.6 km/h) (18.4 mph); 1,000 n miles (1,852.0 km) (1,150.8 miles) at 28 kt (51.9 km/h) (32.2 mph)
Maximum Speed
28 kt (51.9 km/h) (32.2 mph)
Missile Systems
Combat Data System
1 x BEL Gaziabad CMS 17A.
Surface-to-Surface Missile (SSM)
1 x 8-cell VLS; 8 x BrahMos PJ-10; inertial guidance and active/passive radar terminal homing to 292 km (157.7 n miles) at Mach 2.5 (high level)/Mach 2.0 (sea level); warhead 300 kg; sea-skimmer.
Surface-to-Air Missile (SAM)
2 x 16-cell VLS (2 x octuple fwd and 2 x octuple aft); 32 x IAI Barak LR/Barak-8; inertial/GPS guidance with mid-course update and active radar terminal homing to 70 km (37.8 n miles); warhead 23 kg.
Gun Systems
Guns
1 x BHEL 76 mm/62. 2 AK-630M 30 mm/65; 6 x barrels per mount; 5,000 rds/min per mount to 4 km (2.2 n miles); weight of shell 0.39 kg. 2 OFT RWS with M2 12.7 mm MG.
Torpedoes and A/S Mortar Systems
Torpedoes
6 x L&T 324 mm (2 triple).
A/S Mortars
2 x L&T RBU-6000 derived 12-barrel launchers; rocket-propelled depth charges; range 300–6,000 m; depth 15–450 m, warhead 25 kg.
Radar Systems
Air Search Radar
1 x ndra Lanza-N; D-band.
Air/Surface Search Radar
1 x ELTA ELM-2248 MF-STAR; 3D; 4 fixed-face panels; E/F-band.
Surface Search Radar
1 x Terma Scanter 6002; I-band.
Navigation Radar
1 x Sperry Marine; E/F-band. 2 Sperry Marine; I-band.
Fire Control Radar
To be announced (for naval gun).
Sonar Systems
Sonar
1 x BEL HUMSA-NG; bow mounted; active; medium frequency. 1 VDS can be fitted.
Aviation
Helocpter
1 x Sea King or MH-60R.
Protection
Hull
Steel
Physical Countermeasures
4 x Kavach chaff launchers. Mareech torpedo decoy.
Electronic Countermeasures
RESM: Shakti RESM and jammer suite; CESM: Nayan.
NBC Water Washdown System
Yes
Image Sources
Details
Country of Origin
India
Category
Naval
Naval
Filter Label
N
Classification
Domain
Naval & Littoral
Equipment Status
Active
Dimensions
Length
149.02 m
Width
17.8 m
Height
—
Weight
6670000 kg
Operators (1)
India
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