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Israeli Navy - Sea Corps of Israel Sa'ar 4.5 class Missile Boat |
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Builder: Israel Shipyards Ltd., Kishon Port, Haifa, Israel Displacement: 490 tons (full load) Length: 61.7 meters (202 feet 5 inches) Beam: 7.62 m (25 ft) Draft: 2.8 m (9 ft 2 in) Speed: 19 knots (35 km/h) cruise / 34 knots (63 km/h), max. Range: 4800 NMI (8900 km) Complement: 53 Propulsion: 4 x MTU 16V956 TB91 diesel engines (4000 hp / 3000 kW, each) 4 shafts / 4 propellers
Aviation: flight deck and hangar for 1 helicopter (Aliya subclass only) Systems: Thales 1040 Neptune air & surface search radar Selenia Orion fire-control radar (Aliya subclass) EL/M-2258 ALPHA multifunction radar (Hetz subclass) Elta EL/M-2221 search, track and guidance radar / STGR (Hetz subclass) Elbit Deseaver Mk-4 Naval Decoy Control & Launching System (DCLS) Elisra NS-9003A/9005 Radar Warning Receiver |
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The Sa'ar 4.5-class missile boats were built by Israel Shipyards
Ltd. as an improved and stretched Sa'ar 4-class missile boat. There
are two different subclasses that are both named Sa'ar 4.5. The
first subclass was initially called Chochit, but renamed to Aliya.
The second subclass was initially called Nirit but renamed to Hetz. History: The original construction plan for Sa'ar 4.5-class missile boats included: Two helicopter-equipped boats (Cochit, later Aliya subclass): INS Aliya (ex Cochit) INS Geula Three ordinary missile boats (Nirit, later Hetz subclass): INS Romach (launched and commissioned in 1981), INS Keshet (launched and commissioned in 1982) and INS Nirit - later Hetz The keel of INS Nirit was laid in 1984 but the construction ceased due to lack of funds and it was finally launched in 1990 and commissioned in 1991 with some modern equipment, eventuality renamed to INS Hetz. Consequently the older INS Romach and INS Keshet were upgraded to match INS Hetz's specifications. INS Kidon, INS Tarshish, and INS Yaffo' commissioned in 1997, 1997, and 1998 respectively. Particularly INS Kidon and INS Yaffo were built comprising various older systems that were disassembled from Sa'ar 4-class boats with the same names, atop brand new Sa'ar 4.5-class hulls. INS Tarshish possibly also comprised some weapon systems dismounted from the Sa'ar 4-class missile boat with the same name, atop a new Sa'ar 4.5-class hull. Another two further-upgraded Sa'ar 4.5 Hetz subclass missile boats called INS Herev and INS Sufa were commissioned in 2002 and 2003, raising the number of Sa'ar 4.5 Hetz-subclass missile boats to eight. Subclasses: Aliya subclass The first two Sa'ar 4.5 boats were Aliya subclass. Two boats of this version were built and launched in 1980, the first one being INS Aliya, followed by INS Geula. Additionally to the anti-ship missiles, these missile boats were equipped with aviation facilities that could accommodate two (one on a regular basis) Bell 206, MD 500, or HH-65 helicopters. Eurocopter Panther was the last helicopter deployed on these boats in the Israeli Navy. The Aliya subclass are the smallest warships with a helipad and helicopter hangar. In August 1984, INS Aliya and INS Geula were sent to destroy a terrorist facility in Nahr al-Bared, northern Lebanon. Two MD 500 Defenders from INS Aliya and another two from INS Geula successfully hit the target. In July 1985, INS Aliya and INS Geula carried out a similar mission near Nahr al-Bared. Hetz subclass Sa'ar 4.5 Hetz subclass missile boats lack the helicopter facilities of the Aliya subclass, but have more weapon systems fitted. They are largely based on the Sa'ar 4 class missile boat with improvements in electronic systems: command and control, detection, classification and identification, fire control system, radar (EL/M-2258 active electronically scanned array), sonar, electronic warfare and communications. The engines and propulsion systems were also upgraded. The boat itself is 4 metres (13 ft) longer than the Sa'ar 4-class missile boats to accommodate the new systems. source: wikipedia |
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                 with 2x4 RGM-84 Harpoon SSM tube-launchers  Mk.15 Phalanx CIWS and various chaff/decoy launchers  RGM-84 Harpoon SSM launchers and 72-cell Elbit Deseaver Mk-4 Naval Decoy Control & Launching System (DCLS)  RGM-84 Harpoon anti-ship missile (SSM) launch  forward 8-cell Vertical Launching System (VLS) for Barak 1 SAM missiles / Mk.15 Phalanx close-in weapon system (CIWS)  aft 8-cell Vertical Launching System (VLS) for Barak 1 SAM missiles / 72-cell Elbit Deseaver Mk-4 Naval Decoy Control & Launching System (DCLS)  cutout: 8-cell Vertical Launching System (VLS) for Barak 1 SAM missiles  8-cell Vertical Launching System (VLS) for Barak 1 SAM missiles / 72-cell Elbit Deseaver Mk-4 Naval Decoy Control & Launching System (DCLS)  Oto-Melara 76/62 gun fire  Elta EL/M-2221 search, track and guidance radar (STGR), right Aliya subclass (with flight deck and hangar)      |
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