Arnala-class corvette

Radar: Don-2, Slim Net, Hawk Screech
Sonar: Herkules hull-mounted &amp; dipping active sonar

Class overview
Name	Arnala-class corvettes
Operators	Indian Navy
Preceded by	Bathurst class
Succeeded by	Abhay class
In commission	1968–2003
Planned	11
Completed	11
Lost	1
Retired	10
General characteristics
Type	Anti-submarine corvette
Displacement	950 tons (standard); 1,150 tons (full load);
Length	81.8 m (268 ft 4 in)
Beam	9.2 m (30 ft 2 in)
Draught	2.9 m (9 ft 6 in)
Propulsion	2 shaft CODAG,; 2 gas turbines - 30,000 hp; 1 diesel - 6,000 hp (4,500 kW);
Speed	30 knots (56 km/h)
Range	4,870 nmi (9,020 km) at 10 knots (19 km/h); 450 nmi (830 km) at 30 knots (56 km/h);
Complement	90
Sensors and ; processing systems	Radar: Don-2, Slim Net, Hawk Screech; Sonar: Herkules hull-mounted & dipping active sonar;
Armament	4 76mm guns (2 × 2); 4 RBU-6000 anti-submarine rocket launchers; 3 533mm torpedo tubes; Depth charges, mines;

Arnala class was an Indian designation for the Petya III-class vessels of the Indian Navy.

Although these vessels were classified as frigates in the Soviet Navy, they were classified by the Indian Navy as anti-submarine corvettes due to their role and smaller size. Vessels of the class were named for Indian islands.

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