| Name | No | Yard No | Builder | Laid down | Launched | Comp | Fate |
| DR1 (ex-ST...) | 1 | USA | 1943 | 1943 | 1943 // 1946 | stricken 1954 | |
| DR2 (ex-ST343) | 2 | American Machinery Co, Orlando, USA | 1943 | 1943 | 8-10/1943 // 1946 | tug Pyhtää 1952 | |
| DR4 | 4 | USA | 1943 | 1943 | 1943 // 1946 | stricken 1952 | |
| DR5 | 5 | USA | 1943 | 1943 | 1943 // 1946 | stricken 1952 | |
| DR6 (ex-ST338) | 6 | United Boat Service, City Island, USA | 1943 | 1943 | 11.1943-3/1944 // 1946 | stricken 1949 | |
| DR7 (ex-ST342) | 7 | American Machinery Co, Orlando, USA | 1943 | 1943 | 8-10/1943 // 1946 | tug Pirttisaari 1952 | |
| DR8 (ex-ST...) | 8 | American Machinery Co, Orlando, USA | 1943 | 1943 | 1-12/1943 // 1946 | stricken 1948 | |
| DR9 (ex-ST337) | 9 | United Boat Service, City Island, USA | 1943 | 1943 | 11.1943-3/1944 // 1946 | stricken 1948 | |
| DR10 (ex-ST476) | 10 | American Machinery Co, Orlando, USA | 1943 | 1943 | 11-12/1943 // 1946 | tug Purha 1952 | |
| DR13 (ex-ST...) | 13 | USA | 1943 | 1943 | 11-12/1943 // 1946 | stricken 1950 | |
| DR14 (ex-ST339) | 14 | United Boat Service, City Island, USA | 1943 | 1943 | 11.1943-3/1944 // 1946 | stricken 1949 | |
| DR18 (ex-ST335) | 18 | United Boat Service, City Island, USA | 1943 | 1943 | 11.1943-3/1944 // 1946 | stricken 1952 |
remarks: DR8 was one of ex-US Army tugs ST41-43, 341 - 344 or 474 - 476.
|
Displacement standard, t |
150 |
|
Displacement full, t |
|
|
Length, m |
21.0 |
|
Breadth, m |
6.20 |
|
Draught, m |
2.60 |
|
No of shafts |
1 |
|
Machinery |
1 Atlas diesel |
|
Power, h. p. |
400 |
|
Max speed, kts |
10 |
|
Fuel, t |
diesel oil |
| Endurance, nm(kts) | |
|
Armament |
mechanical minesweeping gear |
|
Complement |
Project history: Former tugs of US Army, used as minesweepers by Finnish Navy.
Modernizations: None.
Naval service: DR17(?) was badly damaged by magnetic mine. NB! Data of ships' names and fates have to be refined!
© Ivan Gogin, 2009-16