Sa'ar 4-class fast attack craft

	Chilean Navy Sa'ar 4-class fast-attack craft Angamos and Casma perform tactical maneuvering exercises in the Strait of Magellan
Class overview
Name	Sa'ar 4 class
Builders	Israel Shipyards
Operators	Israeli Navy; Chilean Navy; South African Navy; Sri Lanka Navy;
Preceded by	Sa'ar 3 class
Succeeded by	Sa'ar 4.5 class
General characteristics
Type	Fast attack craft
Displacement	415 tons ; 450 tons full loaded;
Length	58 m (190 ft)
Beam	7.62 m (25.0 ft)
Draught	2.4 m (7.9 ft)
Propulsion	4 MTU 16V 538 diesel engines,; 4 shafts, total of 12,800 hp (9,500 kW);
Speed	34 knots (63 km/h; 39 mph)
Range	4,000 nmi (7,400 km; 4,600 mi) at 17.5 knots (32.4 km/h); 1,650 nmi (3,060 km; 1,900 mi) at 30 knots (56 km/h; 35 mph);
Complement	45
Sensors and ; processing systems	Elta EL/M-2207/2208 air & surface search radar; Selenia Orion RTN-10X fire-control radar;
Electronic warfare ; & decoys	1 × 45-tube, 4-6 × 24-tubes and 4 single chaff rocket launchers; Elisra NS-9003/9005 RWR;
Armament	2-4 × RGM-84 Harpoon SSMs; and; 4 × Gabriel II SSMs; OR; 6 × Gabriel II SSMs; 1 × 20 mm Phalanx CIWS; and; 1 × OTO Melara 76 mm naval gun; OR; 2 × OTO Melara 76 mm naval gun; 2 × Oerlikon 20 mm cannon;

The Sa'ar 4 or Reshef class were a series of fast attack craft built based on Israeli Navy designs grounded in accumulated experience derived in the operation of "Cherbourg" (Sa'ar 1, Sa'ar 2, and Sa'ar 3) classes. Thirteen were built at the Israel Shipyards, ten for the Israeli Navy and three for the South African Navy. Another six were built for the South African Navy in South Africa with Israeli assistance.

Sa'ar 4 boats' first battle engagements occurred in the October 1973 Yom Kippur War when two Sa'ar 4 boats, INS Reshef and INS Keshet, engaged Egyptian and Syrian ships and coastal targets. Israel had sold most of its Sa'ar 4 boats to other navies, but INS Nitzachon and INS Atzmaut remained in active Israeli Navy service until 2014.

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