Aoba-class cruiser

Aoba soon after completion
Class overview
Name	Aoba class
Builders	Mitsubishi Shipyard, Nagasaki Kawasaki Shipyard, Kobe
Operators	Imperial Japanese Navy
Preceded by	Furutaka class
Succeeded by	Myōkō class
In commission	20 September 1927 – 28 July 1945
Planned	2
Completed	2
Lost	2
Scrapped	1
General characteristics (as per Whitley[1])
Type	Heavy cruiser
Displacement	7,100 tons standard; 8,900 tons full load
Length	185 m (607 ft) (overall)
Beam	16 m (52 ft)
Draught	5.8 m (19 ft)
Propulsion	4-shaft Parsons geared turbines 12 Kampon boilers 102,000 shp (76,000 kW)
Speed	34 knots (63 km/h)
Range	6,000 nmi (11,000 km) at 14 kn (26 km/h)
Complement	625
Armament	(initial) 6 × 20 cm (7.9 in)/50-cal Mark I guns (3 × 2) 4 × 12 cm (4.7 in)/45-cal (4 × 1) 12 × 61 cm (24 in) torpedo tubes (6 × 2) (final) 6 × 8 in (203 mm)/50-cal Mark II guns (3 × 2) 4 × 12 cm (4.7 in)/45-cal (4 × 1) 8 × 25 mm (4 × 2) machine guns 8 × 61 cm (24 in) Type 93 torpedo tubes (2 × 4)
Armor	Belt: 76 mm (3 in)[2] Magazine: 51 mm (2 in) Turrets: 25.4 mm (1 in) Conning tower: none Decks: 35 mm (1.4 in) Upper Decks: 48 mm (1.9 in)
Aircraft carried	(initial) 1, (final) 2
Aviation facilities	1 catapult

The Aoba-class cruisers (青葉型巡洋艦, Aoba-gata jun'yōkan) were a class of two heavy cruisers constructed for the Imperial Japanese Navy (IJN) which saw service during World War II.