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fighting ships of the world

POLISH NAVY (POLAND)

COASTAL FORCES

S4 motor torpedo boat (1943/1943)

S4 1943

Names

S4 (ex-MTB437)

Builders

British Power Boat, Hythe, UK: S4

Completed

1943 // 7.1943: S4

Losses

none

Transfers

UK, 4.1944: S4 (MTB437)

Discarding

none

 

Displacement standard, t

38

Displacement full, t

47

Length, m

21.9

Breadth, m

6.27

Draught, m

1.28 deep load

No of shafts

3

Machinery

3 Packard petrol engines

Power, h. p.

4050

Max speed, kts

40 trials

Fuel, t

petrol 1250 l

Endurance, nm(kts)  

Armament

1 x 1 - 40/39 2pdr QF Mk VIII, 1 x 1 - 20/70 Oerlikon Mk II/IV, 2 x 2 - 7.7/94, 2 - 4 DC

Electronic equipment

type 286PU or type 291U radar

Complement

15

Project history: MGB in hull of MTB, in 1944 boat was converted to MTB.

Modernizations: 1944, S4: - 1 x 1 - 40/39; + 2 - 533 TT

Naval service: No significant events.

© Ivan Gogin, 2009-15