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| Name | No | Builder | Laid down | Launched | Comp | Fate |
| Grasbrook | Norddeutsche Werft, Geestemünde | 27/5/1916 | 8/1916 | to United Kingdom 7/1920 | ||
| Kuhwärder | Norddeutsche Werft, Geestemünde | 27/6/1916 | 8/1916 | sunk 30/4/1917 | ||
| Uhlenhorst | Norddeutsche Werft, Geestemünde | 17/8/1916 | 10/1916 | sunk 2/2/1917 | ||
| Harvesterhude | Norddeutsche Werft, Geestemünde | 26/9/1916 | 10/1916 | sold 1/1920 | ||
| Wangeroog | Norddeutsche Werft, Geestemünde | 23/5/1917 | 7/1917 | sold 10/1920 | ||
| Spiekeroog | Norddeutsche Werft, Geestemünde | 30/6/1917 | 8/1917 | to France 7/1920 | ||
| Langeoog | Norddeutsche Werft, Geestemünde | 16/8/1917 | 10/1917 | sold 3/1919 | ||
| Baltrum | Norddeutsche Werft, Geestemünde | 17/10/1917 | 2/1918 | sold 5/1919 | ||
| Admiral von Schröder | Norddeutsche Werft, Geestemünde | 25/2/1918 | 4/1918 | to United Kingdom 7/1920 | ||
| Admiral von Pohl | Norddeutsche Werft, Geestemünde | 2/4/1918 | 5/1918 | to Belgium 7/1920 | ||
| Admiral von Heeringen | Norddeutsche Werft, Geestemünde | 16/6/1918 | 8/1918 | sold 3/1919 | ||
| Wilhelm Paschen | Norddeutsche Werft, Geestemünde | 8/8/1918 | 10/1918 | sold 3/1919 |
|
Displacement standard, t |
|
|
Displacement full, t |
475 |
|
Length, m |
38.8 |
|
Breadth, m |
7.00 |
|
Draught, m |
2.90 |
|
No of shafts |
1 |
|
Machinery |
VTE, 1 boiler |
|
Power, h. p. |
400 |
|
Max speed, kts |
10 |
|
Fuel, t |
coal 100 |
| Endurance, nm(kts) | 5400(10) |
|
Armament |
1 x 1 - 88/45 SK L/45 |
| Complement | 24 - 31 |
Ship project history: Fishery trawlers, purchased by Navy during building and commissioned as auxiliary patrols.
Modernizations: None.
Naval service: Kuhwärder was sunk on British mine 30/4/1917 off Lister Deep. Uhlenhorst was sunk on British mine 2/2/1917 off Helgoland.
© Ivan Gogin, 2008-10