Hōkoku Maru-class ocean liner

	O.S.K. Lines Hōkoku Maru in 1940
Class overview
Name	Hōkoku Maru class ocean liner
Builders	Mitsui Engineering & Shipbuilding; Tama Shipyards;
Operators	O.S.K. Lines; Imperial Japanese Navy;
Built	1938 – 1942
In commission	1940 – 1944
Planned	3
Completed	3
Lost	3
General characteristics
Type	Ocean liner
Displacement	7,410 long tons (7,529 t) gross
Length	160.8 m (527 ft 7 in) overall
Beam	20.1 m (65 ft 11 in)
Draught	12.5 m (41 ft 0 in)
Propulsion	2 × Mitsui-B&W Model 12-62 VF-115 diesels, 2 shafts; cruising: 13,000 bhp; full boost: 19,427 bhp;
Speed	Hokoku Maru; 21.1 knots (24.3 mph; 39.1 km/h); Aikoku Maru; 20.9 knots (24.1 mph; 38.7 km/h); Gokoku Maru; 20.6 knots (23.7 mph; 38.2 km/h);
Capacity	400 passengers (48 first class, 48 special-third class, 304 third class); 12,000 cubic meters freight;
Crew	150
Armament	Hōkoku Maru in October 1941; 8 × 150 mm (5.9 in) L/40 naval guns; 2 × 76.2 mm (3.00 in) L/40 AA guns; 4 × 533 mm (21.0 in) torpedo tubes; Aikoku Maru in March 1942; 8 × 140 mm L/50 naval guns; 4 × 25 mm AA guns; 4 × 533 mm torpedo tubes; Gokoku Maru as built; 8 × 150 mm L/40 naval guns; 4 × 13 mm AA guns; 4 × 533 mm torpedo tubes; Gokoku Maru in 1944; 2 × 120 mm (4.7 in) L/40 AA guns; 4 × 25 mm AA guns; 4 × 13 mm AA guns; 2 × 7.7 mm machine guns; 6 × depth charges;
Aircraft carried	Hōkoku Maru and Aikoku Maru in 1941; 2 × Kawanishi E7K; Hōkoku Maru and Aikoku Maru in August 1942; 2 × Aichi E13A; Gokoku Maru as built; 1 × Aichi E13A;

The Hōkoku Maru-class ocean liner (報國丸型貨客船,, Hōkoku Maru-gata Kakyakusen) was a class of ocean liners of Japan, serving during 1940 and World War II.

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