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FIGHTING SHIPS OF THE WORLD
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COASTAL FORCES
"SVAN 12ton modified" type ("A" group) motor gun boats (MAS140) (1918 - 1919)
Ships
| Names | Builders | Completed | Losses | Transfers | Discarding |
|---|---|---|---|---|---|
MAS140 - 157 |
Maccia Marchini, Carate Lario: MAS140-157 |
1918: MAS140 - 147, 153 1919: MAS148 - 152, 154 - 157 |
MAS140 (3.8.1918), MAS144 (17.4.1918), MAS151 (27.5.1927), MAS152 (27.6.1922) |
none |
1922: MAS142, 143, 153 1926: MAS147 - 149, 154 1928: MAS150 1929: MAS146, 155 - 157 1934: MAS141, 145 |
Technical data
| Displacement normal, t | 12 |
|---|---|
| Displacement full, t |
|
| Length, m | 16.0 |
| Breadth, m | 2.63 |
| Draught, m | 1.10 |
| No of shafts | 2 |
| Machinery | MAS140 - 142, 148 - 152, 154 - 157: 2 Sterling petrol engines MAS143 - 147, 153: 2 Fiat petrol engines |
| Power, h. p. | MAS140 - 142, 148 - 152, 154 - 157: 400 MAS143 - 147, 153: 480 |
| Max speed, kts | MAS140 - 142, 148 - 152, 154 - 157: 24 MAS143 - 147, 153: 25 |
| Fuel, t | petrol |
| Endurance, nm(kts) | MAS140 - 142, 148 - 152, 154 - 157: 136(23) MAS143 - 147, 153: 145(23) |
| Armament | 1 x 1 - 57/43 N1887, 1 x 1 - 6.5/115, 6 DC |
| Complement | 8 |
Standard scale images
very close MAS53 1917
Project history
So-called "12-ton" boats designed by A. Bisio (SVAN) and built by different builders in 1916-1918. Boats differed from each other by armaments and engines. Some (1, 4 and 6th series) were extra equipped with 10hp electric motors for silent running.
Modernizations
None.
Naval service
No significant events.
