I-121-class submarine
I-121 (as I-21) in 1930. | |
| Class overview | |
|---|---|
| Name | I-121 class submarine |
| Builders | Kawasaki Corporation |
| Operators | Imperial Japanese Navy |
| Built | 1924–1928 |
| In commission | 1927–1945 |
| Planned | 6 |
| Completed | 4 |
| Cancelled | 2 |
| Lost | 3 |
| Retired | 1 |
| General characteristics | |
| Type | Minelaying submarine |
| Displacement |
|
| Length | 85.20 m (279 ft 6 in) overall |
| Beam | 7.52 m (24 ft 8 in) |
| Draft | 4.42 m (14 ft 6 in) |
| Propulsion |
|
| Speed |
|
| Range | |
| Test depth | 75 m (246 ft) |
| Complement | 51 |
| Armament |
|
The I-121-class submarine (伊百二十一型潜水艦, I-hyaku-ni-jū-ichi-gata sensuikan) was a class of minelayer submarine in the Imperial Japanese Navy (IJN), serving from the 1920s to World War II. The IJN classed it as a Kiraisen type submarine (機雷潜型潜水艦, Kiraisen-gata sensuikan). The type name, was shortened from Kirai Fusetsu Sensuikan (機雷敷設潜水艦, Minelaying submarine).