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S631 torpedo boats (1942 - 1943 / 1943 - 1944)


Ships


Name No Yard No Builder Laid down Launched Comp Fate
S631 (ex-MTB631)     Wm King, Burnham, UK     8.1942 // 12.1943 sunk 12.1943
S666 (ex-MGB666)     Dorset Yacht, Hamworthy, UK     6.1943 // 7.1944 sunk 8.7.1944


Technical data


Displacement standard, t

95

Displacement full, t105
Length, m

35.1

Breadth, m

6.48

Draught, m

1.20

No of shafts

4

Machinery

4 Packard petrol engines

Power, h. p.

5000

Max speed, kts

31

Fuel, t

petrol 21

Endurance, nm(kts)1200(10)
Armament

S631: 1 x 1 - 40/39 QF Mk VIII, 1 x 2 - 20/70 Oerlikon Mk VIII/IX, 2 x 2 - 12.7/62, 2 - 533 TT, 1 DCR (2)

S666: 1 x 1 - 40/39 QF Mk VIII, 1 x 2 - 20/70 Oerlikon Mk VIII/IX, 2 x 2 - 12.7/92, 1 DCR (2)

Electronic equipmenttype 291U or type 293 radar
Complement

14



Standard scale images


<i>S631</i> 1943
S631 1943


Project history


Former British boats of Fairmile D type. MTB631 ran aground and was captured at Norwegian coast 14.3.1943, commissioned by Kriegsmarine as S631. MGB666 was damaged and captured at Dutch coasts 5.7.1944, commissioned by Germans as S666.

Modernizations


None.

Naval service


S631 was sunk by British boats in December, 1943. S666 was lost 8.7.1944 as result of fire.