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fighting ships of the world

IMPERIAL JAPANESE NAVY (JAPAN)

COASTAL FORCES

"25-t" type river motor gun boats (1940-1944)

1164-go 1940

Names

1164汽艇 - 1173汽艇[1164-go - 1173-go]

1179汽艇[1179-go]

1180汽艇[1180-go]

1357汽艇 - 1366汽艇[1357-go - 1366-go]

and others (80 units)

Builders

Yokosuka K K: 7 boats

Nagasaki K K: 1179-go, 1180-go etc

Ujina K K: 1357-go - 1366-go

Sasebo K K: 20 boats

others: up to 41 boats

Commissioned

1940 - 1944: 80 units

Losses

unknown

Transfers

none

Discarding

unknown

 

Displacement normal, t

26

Displacement full, t

 

Length, m

18.0

Breadth, m

3.50

Draught, m

0.70

No of shafts

2 in tunnels

Machinery

2 diesels

Power, h. p.

300

Max speed, kts

11

Fuel, t

diesel oil

Endurance, nm(kts) 400(12)

Armour, mm

sides: 4, deck: 5

Armament

2 x 1 - 13.2/76

Complement

 

Project history: All-welded hull, protected by 4-5mm Ducol steel. Boats reached up to 12.5kts on trials, classified as Naikatei type 1. Many of them were completed also as guardboats, submarine chasers and commercial craft.

Modernizations: None.

Naval service: No significant events.

© Ivan Gogin, 2008-14