Takatsuki-class destroyer

The Takatsuki class destroyer was a vessel of the Japan Maritime Self-Defense Force. It was the predecessor of the Hatsuyuki-class destroyer, and was mainly used for anti-submarine warfare duties.

JS Nagatsuki (DD-167)
Class overview
Name	Takatsuki class destroyer
Builders	IHI Corporation Mitsubishi Heavy Industries
Operators	Japan Maritime Self-Defense Force
Preceded by	Yamagumo-class destroyer
Succeeded by	Minegumo-class destroyer
Built	1964 - 1970
In commission	1967 - 2003
Planned	4
Completed	4
Retired	4
General characteristics
Type	Destroyer
Displacement	3,100 long tons (3,150 t) standard 4,500 long tons (4,572 t) full load
Length	136.0 m (446 ft 2 in) overall
Beam	13.4 m (44 ft 0 in)
Draft	4.4 m (14 ft 5 in)
Propulsion	60,000 shp (45 MW), 2 shafts (Takatsuki and Nagatsuki) 2 × Mitsubishi/WH reaction/impulse steam turbines 2 × Mitsubishi CE water tube boilers (Kikuzuki) 2 × Mitsubishi/EW impulse steam turbines 2 × Mitsubishi CE water tube boilers (Mochizuki) 2 × Kawasaki Model NH-300 impulse steam turbines 2 × Kawasaki Model BD-120-1 water tube boilers
Speed	32 knots (37 mph; 59 km/h)
Range	6,000 nmi (11,000 km) at 16 kn (18 mph; 30 km/h)
Complement	270 (Takatsuki, 1967), 260 (Takatsuki, 1985)
Sensors and processing systems	OPS-11B EWR, OPS-17 SSR, AN/SQS-23, AN/SQS-35(J), OPS-11C EWR (1986) Mark 56 fire-control system
Electronic warfare & decoys	NOLR-1B, NOLQ-1 (1986)
Armament	(Takatsuki, 1967) 2 × Mk.42 5 in (127 mm) guns 1 × 8 ASROC 1 × 4 Bofors 375 mm (15 in) ASW rocket launcher 2 × 3 Mk.32 ASW torpedo tubes 2 × QH-50D DASH anti-submarine drone helicopter (Kikuzuki, 1986) 1 × Mk.42 5 in (127 mm) gun 2 × 4 RGM-84 Harpoon 1 × 8 Mk.29 Sea Sparrow 1 × Mk.15 CIWS 1 × 8 ASROC 1 × 4 Bofors 375 mm (15 in) ASW rocket launcher 2 × 3 Mk.32 ASW torpedo tubes

In 1985-1988, Takatsuki and Kikuzuki were upgraded with Sea Sparrow SAM launchers, Harpoon missile anti-ship missile launchers, Phalanx CIWS systems (Kikuzuki only), new FCS (FCS-2-12) fire control radar and TASS. Mochizuki and Nagatsuki were in the upgrade program, but were eventually not upgraded.

Ships

Building no.	Pennant no.	Name	Laid down	Launched	Completed	Decommissioned
2304	DD-164	Takatsuki	8 October 1964	7 January 1966	15 March 1967	16 August 2002
2305	DD-165	Kikuzuki	15 March 1966	March 25, 1967	27 March 1968	6 November 2003
2306	DD-166/ ASU-7019	Mochizuki	22 November 1966	15 March 1968	25 March 1969	Converted to ASU-7019 on 16 March 1995, decommissioned on 19 March 1999
2307	DD-167	Nagatsuki	2 March 1968	19 March 1969	12 February 1970	1 April 1996, sunk as target off 3 August 1998

Books

• The Maru Special, Ships of the JMSDF No.57 Takatsuki class escort vessels, Ushio Shobō (Japan), November 1981
• The Maru Special, Ships of the JMSDF No.78 Electronics weapons, Power Plants and Helicopters, Ushio Shobō (Japan), August 1983