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FIGHTING SHIPS OF THE WORLD
JAPAN
TORPEDO SHIPS
AYANAMI destroyers (1958 - 1960)


Photo



Oonami 1979

Ships


Name No Yard No Builder Laid down Launched Comp Fate
あやなみ [Ayanami] DD103, 3.1983- ASU7004   Mitsubishi Zosen, Nagasaki 20.11.1956 1.6.1957 12.2.1958 TS 3.1983, stricken 12.1986
いそなみ [Isonami] DD104, 3.1983- TV3502   Shin-Mitsubishi, Kobe 14.12.1956 30.9.1957 14.3.1958 TS 3.1983, stricken 7.1987
うらなみ [Uranami] DD105, 3.1983- ASU7005   Kawasaki, Tokyo 1.2.1957 29.8.1957 27.2.1958 TS 3.1983, stricken 12.1986
しきなみ [Shikinami] DD106, 3.1983- TV3503   Mitsui Zosen, Tamano 14.12.1956 25.9.1957 15.3.1958 TS 3.1983, stricken 7.1987
たかなみ [Takanami] DD110, 3.1985- ASU7009   Mitsui Zosen, Tamano 8.11.1958 8.8.1959 30.1.1960 TS 3.1985, stricken 3.1989
おおなみ [Oonami] DD111, 2.1987- ASU7013   Ishikawajima HI, Kobe 20.3.1959 13.2.1960 29.8.1960 TS 2.1987, stricken 3.1990
まきなみ [Makinami] DD112, 2.1987- ASU7014   Iono HI, Maizuru 20.3.1959 25.4.1960 28.10.1960 TS 2.1987, stricken 3.1990


Technical data


Displacement standard, t

1720

Displacement full, t

2500

Length, m

109.0 wl

Breadth, m

10.7

Draught, m

3.70 light

No of shafts

2

Machinery

DD103-105: 2 sets Mitsubishi/Escher-Weiss geared steam turbines, 2 Mitsubishi/Combustion Engineering boilers

DD106, 110, 111: 2 sets Mitsubishi/Escher-Weiss geared steam turbines, 2 Hitachi/Babcock & Wilcox boilers

DD112: 2 sets Mitsubishi/Escher-Weiss geared steam turbines, 2 Kawasaki Jyuko BD boilers

Power, h. p.

35000

Max speed, kts

32

Fuel, t

oil

Endurance, nm(kts)6000(18)
Armament

DD103-106, 110, 111: 3 x 2 - 76/50 Mk 33, 1 x 4 - 533 TT (8), 2 - 483 TT, 2 x 24 - 178 Hedgehog Mk 15 ASWRL, 2 DCT

DD112: 3 x 2 - 76/50 Mk 33, 1 x 4 - 533 TT (8), 2 x 3 - 324 TT, 2 x 24 - 178 Hedgehog Mk 15 ASWRL, 2 DCT

Electronic equipment

DD103-106: OPS-1, OPS-2, SPG-34 radars, OQS-12 sonar

DD110-112: OPS-1, OPS-15, SPG-34 radars, OQS-14 sonar, BLR-1 ECM suite

Complement

220



Standard scale images


<i>Takanami </i>1960
Takanami 1960
<i>Ayanami </i>1980
Ayanami 1980
<i>Isonami </i>1980
Isonami 1980


Graphics


<i>Oonami </i>1979
Oonami 1979


Project history

The Ayanami class were designed principally for ASW warfare and unofficially designated DDKs. Four ships were built under the 1955 programme, one under the 1957 and two under the 1958 programmes. The 76mm guns were US Mk 33s but the shields were uniquely Japanese. Later units of the class had a bulwark aft of the hull break. Reload torpedoes for the 533mm tubes were carried in racks on deck, which was standard practice in Japanese destroyers during the war. Ayanami was equipped with eight wash-down systems for removing radio-active fallout.

Modernizations

1965, Ayanami; 1966, Isonami; 1967, Takanami: + OQA-1 VDS sonar

1976, Isonami, Shikinami: - 1 x 4 - 533 TT (lecture hall was mounted on its place).

Naval service

All ships were later transferred to Fleet Training and Development Command as Special Use Auxiliaries (ASU) and Training Vessels (TV).