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  S-Boats in the Federal Navy - Class 148



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S-Boat Class 148 ("Tiger")

S-Boot Klasse 148 ("Tiger")

Technical Data

Shipyards CMN Cherbourg and Lürssen
Units built 20
from/to 1971 - 1975
Commissioned from/to 1972 - 2002
Displacement 265 t
Length 47 m
Beam 7 m
Draught 2,1 m
Propulsion 4 x MTU MD 872 D ( each 3600 HP)
Shafts/Propellers 4 - 4
Speed 36 kts
Complement  30 (4 Off, 3 Chiefs, 14 Pettis, 9 Ratings
Armament 4 x MM 38 Startcontainers
1 x 76 mm/L62 OTO Melara
1 x 40 mm/L70 Bofors

Launching "S 47" (Jaguar) at Cherbourg - Picture: Archives Förderverein

Three Boats Class 148 in the Outfitting - Picture: Archives Förderverein

"S 47" comming Alongside at Cherbourg - Picture: Archives Förderverein

S-Boat Class 148 S56-Dommel -Picture: Archives Förderverein

76 mm OTO Melara - Picture: Rudi Hansen

40 mm Bofors/L 70 MEL Mod 71 - Picture: Killi: Die Schnellboote der Bundesmarine


Startcontainer MM 38 EXOCET - Picture: Rudi Hansen


Startcontainer MM 38 EXOCET - Picture: Rudi Hansen




In the early 80ies "S 41" was trials-boat for chaff "Wolke". Installation of the testgear was performed at MArs Kiel, the tests in Eckernförde Bight. In the gear stanniol-bars were cut to small peaces which were blown out by a pipe. The stanniol-chaff was to displace the center of the radar-cross-section in order that closing missiles did not steer towards the boat. The firing course was calculated with respect to threat-direction, wind and own course. That was done by hand or on the plotting tabel and was difficult due to the short reaction time.

The heavy test-gear was originally placed on B-level behind the mast, for weight reasons and to improve stability of the boat it was later installed on A-leverl behind the bridge-house. It resulted in cracks i the steel-hull in this area. 

"S 41" with test-gear "Wolke" on B-level - Picture: Archives Tino Kunzmann

The boats were retrofitted 1982 to 1984 with a "Passiv-Aktiv-Lage-Informationssystem" (PALIS) and 1990 to 1992 with Radar- und Firecontrol Systems (Castor/TritonGolf) and 10 boats with an Electronic Warfare System OCTOPUS. At the same time an asbestos-sanitizing was carried out on 18 of the 20 boats.

Decommissioning of the first two boats startet in 1992, other boats followed, the last units were decommissioned in 2002. The OCTOPUS-System were installed in the boats of Classes 143 and 143 A.

 The Class S-Boat 148 (Tiger) is in international context called "S 41-Class".