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	JS Makinami
Class overview
Name	Takanami-class destroyer
Builders	Mitsubishi Heavy Industries - Nagasaki shipyards; IHI Marine United, Yokohama; IHI Marine United, Uraga;
Operators	Japan Maritime Self-Defense Force
Preceded by	Murasame class
Succeeded by	Akizuki class
Built	2000–2004
In commission	2003–present
Completed	5
Active	5
General characteristics
Type	General-purpose destroyer
Displacement	4,650 long tons (4,725 t) standard ; 6,300 long tons (6,401 t) full load;
Length	151 m (495 ft 5 in)
Beam	17.4 m (57 ft 1 in)
Height	10.9 m (35 ft 9 in)
Draft	5.3 m (17 ft 5 in)
Propulsion	2 × Ishikawajima Harima LM-2500 gas turbines; 2 × Kawasaki Rolls-Royce Spey SM1C gas turbines; 60,000 shp (45 MW); 2 shafts;
Speed	30 knots (56 km/h; 35 mph)
Complement	175
Sensors and ; processing systems	OPS-25B radar; OPS-28D surface-search radar; OPS-20 navigational radar; OQS-5 sonar; UQR-2 towed sonar; Type 81 fire-control system;
Electronic warfare ; & decoys	NOLQ-3 ECM system; 4 × Mk137 chaff dispensers;
Armament	1 × Otobreda 127 mm/54 gun; 2 × missile canister up to 8 Type 90 (SSM-1B); 2 × 20 mm Phalanx CIWS; 2 × Type 68 triple torpedo tubes; VLS Mk 41 (32 cells); • Evolved Sea Sparrow SAM; • RUM-139 VL ASROC;
Aircraft carried	1 × SH-60J(K) anti-submarine helicopter
Aviation facilities	Hangar and helipad

The Takanami-class destroyer (たかなみ型護衛艦, Takanami-gata-goei-kan) is a class of destroyer serving with the Japan Maritime Self-Defense Force (JMSDF). This warship is the slightly modified class of second-generation, general-purpose destroyers of the JMSDF.^[1]

Background

Since FY1991, the JMSDF started construction of the second-generation, general-purpose destroyers (汎用護衛艦, Hanyou-goei-kan), Murasame class. These destroyers are generally satisfactory for the fleet, but there is some discontent.^[1] From FY1998 onwards, a slightly modified version that corrected these dissatisfaction points was to be built: Takanami class.^[1]

Design

The hull design is generally based on that of the Murasame class. However, the weapons mounted are different, and as a result, the internal structure has also been changed. The large lattice mast affected the stealthiness of the Murasame class, so in Takanami class, it was planned to change to two small masts, but that was not implemented.^[2]

Although their displacement become slightly increased, there was no change to their main engines, as it was not a big difference so it had little effect on the performance of the ship.^[2]

Equipment

The combat system was slightly improved. The combat direction system is similar to the Murasame class in the first three ships, but in the fourth ship, workstations were changed to AN/UYQ-70, and in the fifth ship, it corresponded to the communication in Link 16.^[3] Radars are the same as those of Murasame class, sonars are also small revision type.^[4]

In terms of weaponry, instead of the 3-inch gun that has been adopted by conventional destroyers, a larger Oto Melara 127 mm gun was introduced. Although vertical launching systems were divided into two places in the Murasame class, 16-cell Mk 41 for VL-ASROC on the bow deck and 16-cell Mk 48 for Sea Sparrow (later replaced with Evolved Sea Sparrow) on the middle deck, they are compiled in one place, 32-cell Mk 41 on the bow deck in this class.^[4]

Ships in the class

Pennant no.	Name	Laid down	Launched	Commissioned	Builder	Homeport
DD-110	Takanami (Tall Waves)	25 April 2000	26 July 2001	12 March 2003	IHI Marine United, Uraga	Yokosuka
DD-111	Ōnami (Large Wave)	17 May 2000	20 September 2001	13 March 2003	Mitsubishi Nagasaki	Yokosuka
DD-112	Makinami (Rolling Waves)	17 July 2001	8 August 2002	18 March 2004	IHI Marine United, Yokohama	Ōminato
DD-113	Sazanami (Ripples on the Water)	4 April 2002	29 August 2003	16 February 2005	Mitsubishi Nagasaki	Kure
DD-114	Suzunami (Breaking Waves)	24 September 2003	26 August 2004	16 February 2006	IHI Marine United, Yokohama	Ōminato

References

^ ^a ^b ^c Kōda 2012.
^ ^a ^b Kaijin-sha 2003, pp. 76–81.
^ Yamazaki 2011.
^ ^a ^b Kaijin-sha 2003, pp. 82–89.

Books

Wertheim, Eric (2013). The Naval Institute Guide to Combat Fleets of the World, 16th Edition. Naval Institute Press. ISBN 978-1591149545.

Article

Abe, Yasuo (July 2000). "History of JMSDF Destroyers". Ships of the World (in Japanese) (571). Kaijinn-sha. NAID 40002155847.
Fujiki, Heihachiro (August 2003). "Development of multi-purpose DDs for "8-8 escort flotilla". Ships of the World (in Japanese) (614). Kaijinn-sha: 94–99. NAID 40005855328.
Kaijin-sha, ed. (August 2003). "All of the new Takanami-class DD". Ships of the World (614). Kaijin-sha: 75–101. NAID 40005855324.
Kōda, Yōji [in Simple English] (August 2012). "Brand-new destroyer Akizuki : its design concept". Ships of the World (764). Kaijin-sha: 91–97. NAID 40019366483.
Yamazaki, Makoto (October 2011). "Combat systems of modern Japanese destroyers". Ships of the World (in Japanese) (748). Kaijin-sha: 98–107. NAID 40018965310.