
Mtb3 1925
| Names | Mtb3, 4 | 
| Builders | Thornycroft, Hampton, UK: Mtb3, 4 | 
| Commissioned | 1925: Mtb3, 4 | 
| Losses | no | 
| Transfers | no | 
| Discarding | 8/1940: Mtb3, 4 | 
| Displacement standard, t | 12.5 | 
| Displacement full, t | 
 | 
| Length, m | 16.2 | 
| Breadth, m | 3.40 | 
| Draught, m | 1.10 | 
| No of shafts | 2 | 
| Machinery | 2 petrol engines | 
| Power, h. p. | 750 | 
| Max speed, kts | 40 | 
| Fuel, t | petrol | 
| Endurance, nm(kts) | |
| Armament | 1 x 1 - 8.80, 2 - 450 TT, 4 DC | 
| Complement | 7 | 
Project history: Thornycroft 55ft CMBs. Wooden hulls.
Modernizations: none.
Naval service: no significant events.

Mtb4 1925
© Ivan Gogin, 2010-14