Ensdorf-class minesweeper
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M1098 Siegburg, at the Kiel Week 2007
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| Class overview | |
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| Name: | Type 352 Ensdorf class |
| Builders: |
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| Operators: |  German Navy |
| Preceded by: | Hameln class |
| Built: | 1999-2001 |
| Completed: | 5 |
| Laid up: | 5 |
| General characteristics | |
| Type: | Minesweeper |
| Displacement: | 650 tonnes |
| Length: | 54.40 m (178.5 ft) |
| Beam: | 9.20 m (30.2 ft) |
| Draft: | 2.84 m (9 ft 4 in) |
| Propulsion: |
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| Speed: | 18 knots (33 km/h; 21 mph) |
| Complement: | 45 |
| Sensors and processing systems: |
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| Armament: |
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The five minesweepers of the German Navy's Type 352 Ensdorf class are former Type 343 Hameln-class minesweepers that have been upgraded with the Troika Plus system.
Design
The Ensdorf class have three modes to clear mine fields:
- Troika Plus: This system employs up to four remote controlled Seehund ("Seal") drones which perform the sweep. The drones are small unmanned boats that can simulate the acoustic and magnetic signatures of bigger ships to trigger mines. Their small size and special construction let them survive the effects of exploding mines unharmed.
- Mine hunting: Mines detected with the hull-mounted sonar can be identified and exploded with expendable Seefuchs (Seafox) ROVs.
- Classical minesweeping: Against moored mines the classical minesweeping using towed wire cutters to cut the anchors of mines can be conducted.
The Ensdorf class replaced the Type 351 Lindau-class minesweepers in service with the German Navy.
Seehund ROV
The Seehund ROV can be controlled remotely or manually by an onboard crew (usually 3) for maneuvering in harbours or in training (the Seehund is too large to be carried by Ensdorf-class vessels). A life raft is carried for this reason. Seehunds are 25 m (82 ft) long with a displacement of 99 t. They are propelled by a Schottel Z-drive which gives them a maximum speed of 9–10 kn (17–19 km/h; 10–12 mph).
Ship list
| Pennant number |
Name | Call sign |
Commissioned |
|---|---|---|---|
| M1094 | Ensdorf | DRFN | 16 October 1990 |
| M1093 | Auerbach/Oberpfalz | DRFR | 7 May 1991 |
| M1092 | Hameln | DRFO | 29 June 1989 |
| M1090 | Pegnitz | DRFT | 8 March 1990 |
| M1098 | Siegburg | DRFL | 26 July 1990 |
Notes: The ships were not decommissioned for their rebuilding to Type 352, so the listed dates are the ones of their commission as Type 343. Auerbach/Oberpfalz is one single name.
The ships currently belong to the 5. Minensuchgeschwader (5th Mine Sweeping Squadron) based in Kiel at the Baltic Sea.
ROVs
| Number | Commissioned | Mothership |
|---|---|---|
| 1 | 5 May 1981 | M1092 Hameln |
| 2 | 5 May 1981 | M1092 Hameln |
| 3 | 5 May 1981 | M1092 Hameln |
| 4 | 4 March 1982 | M1093 Auerbach/Oberpfalz |
| 5 | 4 March 1982 | M1093 Auerbach/Oberpfalz |
| 6 | 4 March 1982 | M1093 Auerbach/Oberpfalz |
| 7 | 17 September 1981 | M1098 Siegburg |
| 8 | 17 September 1981 | M1098 Siegburg |
| 9 | 17 September 1981 | M1098 Siegburg |
| 10 | 11 November 1981 | M1098 Siegburg |
| 11 | 11 November 1981 | M1092 Hameln |
| 12 | 11 November 1981 | M1090 Pegnitz |
| 13 | 24 May 1982 | M1090 Pegnitz |
| 14 | 24 May 1982 | M1090 Pegnitz |
| 15 | 24 May 1982 | M1090 Pegnitz |
| 16 | 7 November 1983 | M1094 Ensdorf |
| 17 | 7 November 1983 | M1094 Ensdorf |
| 18 | 7 November 1983 | M1094 Ensdorf |
The Seehunde ROVs were taken from the six decommissioned Type 351 class, which means that they are older than their motherships.
References
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