Tone Class


Information on this classhas been compiled by Jeff Donahoo

Standard Displacement: 11,215 tons
Complement: 850

Length: 661’6”
Beam: 60’6”
Draught: 20’6”

Armament:
8-8”/50cal
8-5”/40cal
52-25mm
12-24” torpedo tubes

Armor:
145mm side (5.7”)
65mm deck (2.5”)

Machinery: 4 shaft Kanpon turbines
Boilers: 8 Kanpon RO-GO
S.H.P.: 152,000=35 knots
Oil: 2,950 tons
Radius: 10,000 miles @ 18 knots

Ships in Class:

Chikuma
Meaning: River in Nagano Prefecture
Builder: Mitsubishi Zosenho, Nagasaki
Ordered: #6 chu gata junyokan (medium model cruiser)
1934 (Yard #670)
Laid Down: 10/1/35
Launched: 3/19/38
Completed: 5/20/39
Fate: sunk, 10/25/44
Fleet Assignments:
CruDiv 8 9/41-1/44
CruDiv 7 1/44-10/44
Wartime Commanders:
Capt Komura Keizo 8/41-11/42
Capt Araki Tsutau 11/42-1/43
Capt Shigenaga Kozutake 1/43 -1/44
*Capt Normitsu Saiji 1/44-11/44
Service Notes:
12/7/41 escort for Pearl Harbor Strike Force
3/1/42 sinks s/s Modjokerto
3/1/42 helps sink USS Edsall DD-219
3/4/42 sink s/s Enggano
10/26/42 hit by 3 bombs 151 dead repairs complete 2/27/43
10/25/44 hit by one torpedo from USS Natoma Bay (CVE-62). Unable to move she was
abandoned. Nowaki returned to rescue survivors (about 100) but was herself sunk
the next day with no survivors.


Tone
Meaning: River in the Kanto Plain
Builder: Mitsubishi Zosenho, Nagasaki
Ordered: #5 chu gata junyokan (medium model cruiser)
1934 (Yard #600)
Laid Down: 12/1/34
Launched: 11/21/37
Completed: 11/20/38
Fate: sunk, 7/24/45
Fleet Assignments:
CruDiv 8 9/41-1/44
CruDiv 7 1/44-11/44
CruDiv 5 11/44-1/45
Kure Naval Station 1/45-7/45
Wartime Commanders:
Capt Okada Tametsugu 12/41-7/42
Capt Kobe Yuji 7/42-12/43
Capt Mayauzumi Haruo 12/43-1/45
Capt Okada Yusaku 1/45-7/45
Service Notes:
12/7/41 escort for Pearl Harbor Strike Force
3/1/42 helps sink USS Edsall DD-219
3/9/44 sinks s/s Behar
10/25/44 hit by 4 bombs and one 5" shell 19 dead. Repairs completed 2/45
7/24/45 hit by 3 bombs and seven near misses, sinking in shallow water off Nomijima
8/2/45 wreck formally abandoned
5/4/48 refloated
9/48 scrapped at Harima Shipyard