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Ensdorf-class minesweeper
M1098 Siegburg.jpg
M1098 Siegburg, at the Kiel Week 2007
Class overview
Builders: Lürssen
Abeking & Rasmussen
Operators:  German Navy
Preceded by: Hameln class minesweeper
Built: 1999-2001
Completed: 5
Active: Ensdorf
Auerbach/Oberpfalz
Hameln
Pegnitz
Siegburg
Laid up: 5
General characteristics
Type: Minesweeper
Displacement: 650 tonnes
Length: 54.40 m
Beam: 9.20 m
Draft: 2.84 m
Propulsion:
  • 2 x MTU 16V 538 TB91 diesel engines, 2240 kW each
  • 2 x Renk PLS 25 gearboxes
  • 2 x propeller shafts driving controllable pitch propellers
Speed: 18 knots
Complement: 45
Sensors and
processing systems:
  • Navigation radar
  • Hull-mounted DSQS-11 mine-detection sonar
Armament:
  • 2 x Bofors 40mm/L70 dual-purpose gun (to be upgraded to 2 Mauser MLG27 27 mm remote-controlled autocannons)
  • FIM-92 Stinger surface-to-air missiles (MANPADS)
  • Mine-laying capabilities (60 mines)
  • 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.

    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

    Three Seehund ROVs

    • Length: 25 m
    • Displacement: 99 t
    • Propulsion: Schottel Z-drive
    • Max speed: 9-10 kn

    Seehund 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.

    Ship list

    Pennant
    number
    Name Call
    sign
    commissioned
    M1094 Ensdorf DRFN October 16, 1990
    M1093 Auerbach/Oberpfalz DRFR May 7, 1991
    M1092 Hameln DRFO June 29, 1989
    M1090 Pegnitz DRFT March 8, 1990
    M1098 Siegburg DRFL July 26, 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 May 5, 1981 M1092 Hameln
    2 May 5, 1981 M1092 Hameln
    3 May 5, 1981 M1092 Hameln
    4 March 4, 1982 M1093 Auerbach/Oberpfalz
    5 March 4, 1982 M1093 Auerbach/Oberpfalz
    6 March 4, 1982 M1093 Auerbach/Oberpfalz
    7 September 17, 1981 M1098 Siegburg
    8 September 17, 1981 M1098 Siegburg
    9 September 17, 1981 M1098 Siegburg
    10 November 11, 1981 M1098 Siegburg
    11 November 11, 1981 M1092 Hameln
    12 November 11, 1981 M1090 Pegnitz
    13 May 24, 1982 M1090 Pegnitz
    14 May 24, 1982 M1090 Pegnitz
    15 May 24, 1982 M1090 Pegnitz
    16 November 7, 1983 M1094 Ensdorf
    17 November 7, 1983 M1094 Ensdorf
    18 November 7, 1983 M1094 Ensdorf

    The Seehunde were taken over from the six decommissioned Type 351 class, which means that they are older than their motherships.

    References


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