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Japan's Imperial Navy flag

Japan's Katori class cruiser

Photos

IJN Kashii during commissioning at Yokohama on July 15, 1941:
IJN Kashii during commissioning at Yokohama on July 15, 1941
Mikasa Memorial Museum
IJN Kashima in Shanghai in 1940:
IJN Kashima in Shanghai in 1940
Mikasa Memorial Museum
IJN Katori at Yokohama in April 1940:
IJN Katori at Yokohama in April 1940
US Navy Naval Inteligence

Design

The Katori class were designed to be training cruisers. The Kashima and Katori were ordered under the 1930 Supplementary Program / 1937 Supplementary Program.

The bridge was designed so it could hold more midshipmen and there was a variety of equipment to allow for training.

Once Japan started the war, they were used as flagships for submarine and convoy escort units.

In the 1942 Program there were to be four more Kashii class cruisers to be built but they were cancelled. They were to be armed with the 3.9" L/65 as the main guns.

Aircraft

The catapult was located amidships for the single aircraft carried.

Engines

There were turbines and diesels that powered the Katori class. This allowed for engineering officers to learn both types that were used in the Imperial Japanese Navy.

Ships

IJN Kashii (Shinto shrine in Fukuoka Prefecture)

  • Manufacturer: Mitsubishi at Yokohama
  • 1938: Ordered.
  • May 30, 1940, October 4, 1939: Laid down.
  • August 30, 1940: Named Kashii.
  • October 15, 1940, February 14, 1941: Launched.
  • July 15, 1941, December 5, 1941: Completed.
  • 1941: Indochina. Malayan convoy escort.
  • 1941, 1943: Torpedo tubes removed.
    Four 5" guns / Two 5.5" DP twin mounts and 20 25 mm guns added.
    Two 5.5" L/50 DP twin mounts, three 5" L/40 DP, and 20 25 mm guns in total.
  • February 1942: Sumatra invasion escort.
  • December 1943: Japan for training duties.
  • 1944, March - April 1944, Summer 1944: Converted to anti-submarine cruisers. Torpedo mounts removed. Two 5" Type 89 twin mounts and four 25 mm triple mounts added. Two depth charge racks and 300 depth charges added.
  • March 1944: General Escort Command. Flagship of 1st Surface Escort Division.
  • June - July 1944, July 1944, Summer 1944: Aircraft equipment removed.
    30 25 mm and eight 13 mm / 13.2 mm guns total. 100 depth charges carried.
    Four 25 mm triple mounts, three 25 mm twin mounts, thirteen 25 mm guns and eight 13 mm guns total.
    Ten 25 mm guns and eight 13 mm guns added.
  • January 12, 1945: Sunk. Escorting ten ship convoy in South China Sea. Destroyed by planes from TF38 north of Cape Varela. 19 crewman survived.

IJN Kashima (Shinto shrine in Ibaraki Prefecture)

  • Manufacturer: Mitsubishi at Yokohama
  • 1937: Ordered.
  • October 6, 1938: Laid down.
  • March 31, 1939: Named Kashima.
  • September 25, 1939: Launched.
  • May 31, 1940: Completed.
  • 1940: Training cruise.
  • November 15, 1940: Flagship of Sentai 18.
  • 1941, 1943: Torpedo tubes removed.
    Four 5" guns / Two 5.5" DP twin mounts and 20 25 mm guns added.
    Two 5.5" L/50 DP twin mounts, three 5" L/40 DP, and 20 25 mm guns in total.
  • December 1, 1941: Flagship of 4th Fleet.
  • August 1942: Saluting guns removed. Two 25 mm twin mounts added.
  • November 1943: Japan for training.
  • December 1943 - December 1944: Inland Sea training cruises for midshipmen.
  • 1944, Summer 1944, December 1944 - January 1945: Converted to anti-submarine cruisers. Five 25 mm guns added. Torpedo mounts removed. Two 5" Type 89 twin mounts and four 25 mm triple mounts added. Two depth charge racks added. 100 Depth charges carried.
  • July 1944, Summer 1944, February 1945: Aircraft equipment removed.
    30 25 mm and eight 13 mm / 13.2 mm guns total. 100 depth charges carried.
    Four 25 mm triple mounts, three 25 mm twin mounts, thirteen 25 mm guns and eight 13 mm guns total.
    Eight 13 mm guns added.

IJN Kashiwara

  • Manufacturer: Mitsubishi at Yokohama
  • August 1941, August 23, 1941: Laid down.
  • 1941, November 1941: Cancelled.

IJN Katori (Shinto shrine in Chiba Prefecture)

  • Manufacturer: Mitsubishi at Yokohama
  • 1937: Ordered.
  • August 24, 1938: Laid down.
  • March 31, 1939: Named Katori.
  • June 17, 1939: Launched.
  • April 20, 1940: Completed.
  • 1940: Training cruise.
  • November 1940: Flagship of 1st Submarine Squadron.
  • May 1941: Flagship of 6th Submarine Squadron.
  • 1941, 1943: Torpedo tubes removed.
    Four 5" guns / Two 5.5" DP twin mounts and 20 25 mm guns added.
    Two 5.5" L/50 DP twin mounts, three 5" L/40 DP, and 20 25 mm guns in total.
  • February 1, 1942: Slightly damaged by American aircraft while at Kwajalein. Repairs in Japan.
  • April 1942: Truk. Flagship of 6th Fleet.
  • August 1942: Saluting guns removed. Two 25 mm twin mounts added.
  • February 1944: General Escort Command.
  • February 17, 1944: Sunk. Slowed by aircraft torpedo. Destroyed by gunfire from USS Minneapolis, USS New Orleans, USS Radford, and USS Burns northwest of Truk.

815, 816, 817, 818

  • 1942: Cancelled.

Specifications

  Katori class
Crew 315
Midshipmen 275
Displacement 5,890 tons
Displacement - Loaded 6,180 tons, 6,720 tons
Physical Characteristics  
Length 425', 437.9', 438'
133.5 m
Length - Water Line 425' 9", 426'
129.77 m, 129.8 m, 130 m
Length - Between Perpendiculars 405', 405' 2
123.4 m, 123.5 m
Beam 52', 52' 4", 52' 6", 54' 6"
15.95 m, 16 m, 16.6 m
Draft / Height 3' 9", 18', 18' 9", 18' 10"
5.75 m
Performance  
Speed 18 knots
Range at 12 knots 9,900 nautical miles
Armament 5.5" twin turrets, 5.5" / 14 cm L/50 twin turrets, 14 cm L/50 Type 3 twin turrets: 2
Anti-Aircraft 5", 5" Type 89 twin mount, 5" / 12.7 cm L/40, 5" L/40 DP twin mount, 12.7 cm L/40 Type 89 HA twin mounts: 1, 2
25 mm, 25 mm Type 96 twin mounts: 2, 4
Saluting Guns 2", 5" Yamauchi: 4
Torpedo Tubes 21" / 53 cm, 53.3 cm: 4, 2 mounts 2 tubes each
Aircraft 1
Armor  
Belt - Main  
Deck  
Turrets  
Engines  
Boilers Kanpon: 3
Shafts 2
Turbines Geared, Kanpon geared
HP 8,000
Oil 600 tons
  Kashii
Crew  
Midshipmen  
Displacement  
Displacement - Loaded  
Physical Characteristics  
Length  
Length - Water Line  
Length - Between Perpendiculars  
Beam  
Draft / Height  
Performance  
Speed  
Range at 12 knots  
Armament  
Anti-Aircraft 25 mm Type 96 twin mounts: 4
Saluting Guns 5 cm Yamuchi: 2
Torpedo Tubes  
Aircraft  
Armor  
Belt - Main  
Deck  
Turrets  
Engines  
Boilers  
Shafts  
Turbines  
HP  
Oil  

Sources:

  1. Japanese Warships of World War II, A. J. Watts, 1966
  2. The Imperial Japanese Navy, A. J. Watts and B. G. Gordon, 1971
  3. The Imperial Japanese Navy in the Pacific War, Mark E. Stille, 2013
  4. Conway's All the World's Fighting Ships 1922-1946, Robert Gardiner, 1987
  5. Japanese Cruisers of the Pacific War, Eric Lacroix, Linton Wells II, 1997
20th Century American Military History Crucial Site