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Minesweeper
YMS-1-class minesweeper is a minesweeper. It was built by 35 yacht builders. Reported operators include United States Navy Royal Navy French Navy Maritime Command Polish Navy Japan Maritime Self-Defense Force Republic of Vietnam Navy.
Technical data
True scale
Sourced dimensions beside a 1.75 m human reference.
Points represent sourced observations, including revisions. Revisions on the same effective date are not separate inventory events. Ranges appear in the table and are not plotted as exact points.
| Observation / report period | Value | Source | Claim state |
|---|---|---|---|
| 29 Sept 2026 | 41 m | Wikipedia contributors | superseded |
| 29 Sept 2026 | 41 m | Wikipedia contributors | approved |
YMS-1
35 yacht builders
United States Navy Royal Navy French Navy Maritime Command Polish Navy Japan Maritime Self-Defense Force Republic of Vietnam Navy
Atada class (Japan)
YMS-136 , YMS-446
about March 1942 – 13 December 1957
481
YMS-482 – YMS-500
0
32
Minesweeper
270 tons
136 ft (41 m)
24 ft 6 in (7.47 m)
8 ft (2.4 m)
2 × 440 bhp (330 kW) General Motors 8-268A diesel engines 2 shafts
15 knots (28 km/h)
32
1 × 3-inch/50 caliber gun mount 2 × 20 mm guns 2 × depth charge projectors
The design for the class had a displacement of 270 tonnes.
Reference text from Wikipedia contributors, used under CC BY-SA 4.0.
YMS-1-class minesweeper equipment records. Variants, orders and quantities are shown as reported in each inventory source; coverage is incomplete.
United States Navy Royal Navy French Navy Maritime Command Polish Navy Japan Maritime Self-Defense Force Republic of Vietnam Navy
Equipment reference ↗
South Korea