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| Names | Builders | Commissioned | Losses | Transfers | Discarding |
|---|---|---|---|---|---|
BG61 Prignitz (ex-GS31, ex-G-720) BG62 Uckermark (ex-GS23, ex-G-734) BG63 Altmark (ex-GS21, ex-G-721) BG64 Börde (ex-GS50, ex-G-735) |
Yachtswerft, Berlin, East Germany: BG61-64 |
1971 // 1990: BG61, 63 1972 // 1990: BG62, 64 |
None |
None |
2000: BG61 2007: BG62, 63 2008: BG64 |
| Displacement standard, t | 25 |
|---|---|
| Displacement full, t | 48 |
| Length, m | 21.0 wl 22.6 oa |
| Breadth, m | 4.70 |
| Draught, m | 1.60 |
| No of shafts | 1 |
| Machinery | 1 Motorenwerke Rosslau 6VD18/15AL1 diesel |
| Power, h. p. | 510 |
| Max speed, kts | 17 |
| Fuel, t | diesel oil 0.4 |
| Endurance, nm(kts) | 300(12) |
| Armament | 2 x 1 - 7.6/90 |
| Electronic equipment | Furuno FR8031 radar |
| Complement | 6 |
Former Volksamrine Board Guard river boats. Project 1589 (Bremse).
None.
No significant events.

