Recognition Guide Warships of the Second World War
Imperial Japanese Navy — Battleship

Japanese battleship Mutsu

Nagato-class battleship

Japanese battleship Mutsu
user:Akagi — http://www.bosamar.com/files/nagato03.jpg — Public domain — Wikimedia Commons Plate Mutsu in 1921–22 after completing outfitting

Service

  1. Imperial Japanese Navy as Mutsu24 October 1921 — 1 September 19431,461 days of the war
Nagato-class battleship Particulars
Name
Mutsu
Namesake
Mutsu Province
Builder
Yokosuka Naval Arsenal
Laid down
1 June 1918
Launched
31 May 1920
Commissioned
24 October 1921
Struck
1 September 1943
Fate
Sunk by internal explosion, 8 June 1943
By accident (1943)
Status
Wreck

Specifications — As built

Displacement, standard
32,203 long tons (32,720 t)
Length
215.8 m (708 ft) OA
Beam
28.96 m (95 ft)
Draught
9 m (29.5 ft)
Speed
26.5 knots (49.1 km/h, 30.5 mph)
Range
5,500 nmi (10,186 km)
Complement
1,333
Main gun
410 mm (16.1 in)

Mutsu was a Nagato-class battleship in service with the Imperial Japanese Navy. The ship was named after Mutsu Province. Yokosuka Naval Arsenal laid her keel on 1 June 1918. Launched on 31 May 1920, she entered service on 24 October 1921.

She was one of two ships of her class. The class followed the Ise-class battleship and was succeeded by the Tosa-class battleship.

Displacement was 32,203 long tons. She measured 215.8 m (708 ft) long with a beam of 29.0 m (95 ft). Her designed speed was 26.5 knots, and she carried a complement of 1,333.

Her main battery was eight 410 mm (16.1 in) guns in four twin mountings. Her machinery developed 80,000 shp through four shafts.

She was in commission for 1,461 days of the Second World War. She was struck from the register on 1 September 1943.

She was sunk on 8 June 1943 by accident, at 33°58′N 132°24′E. The wreck survives.

Written from the harvested record. Every figure above is sourced; the wording is this site's own.

Armament and machinery

This vessel is recorded in 2 configurations. Wartime refits changed armament and complement substantially, so each is kept separately rather than averaged into one set of figures. The figures above are as built.

As built
Propulsion
  • 4 shafts; 4 × steam turbines
Power
  • 21 × water-tube boilers
  • 80000 shp
Armament
  • 4 × twin 41 cm (16.1 in) guns
  • 20 × single 14 cm (5.5 in) guns
  • 4 × single 76 mm (3 in) AA guns
  • 8 × 533 mm torpedo tubes
Armour
  • Waterline belt: 305 - 100 mm
  • Deck: 69 mm + 75 mm
  • Gun turrets: 356 - 190 mm
  • Barbettes: 305 mm
  • Conning tower: 369 mm
1943
Displacement, standard
38,433 long tons (39,050 t)
Length
224.94 m (738 ft)
Beam
34.6 m (113.5 ft)
Draught
9.46 m (31 ft)
Speed
25.3 knots (46.8 km/h, 29.1 mph)
Range
8,650 nmi (16,020 km)
Complement
1,475
Main gun
410 mm (16.1 in)
Power
  • 10 × water-tube boilers
  • 82578 shp
Armament
  • 4 × twin 41 cm guns
  • 18 × single 14 cm guns
  • 4 × twin 12.7 cm DP guns
  • 10 × twin 25 mm AA guns
Armour
  • Deck: 69 mm + 100 mm + 38 mm
  • Gun turrets: 508 - 190 mm
  • Barbettes: 457 mm
Aircraft
  • 3 × floatplanes

Sister ships

Sources