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|  ONI 226 |
| Tonnage | 740 tons loaded for beach run |
| Dimensions | 203'6" by 34'6" 6.20m by 10.52m |
| Maximum speed | 12 knots |
| Complement | 50 to 60 |
| Armament | 2 40mm
Bofors AA guns |
| Protection |
0.25" (6mm) STS splinter
protection around conning station, pilot house, and gun mounts |
| Machinery |
2-shaft diesel (2880 bhp) |
| Range |
4900 nautical miles (9000 km) at
12 knots |
| Passengers |
48 |
| Cargo |
165 tons 5 medium or 3 heavy tanks or 6 LVTs or 9 DUKWs |
| Modifications |
Some versions appear to have been armed with 8 20mm Oerlikon in place of the Bofors. |
Landing Ships, Medium, or LSMs, were
a kind of cross between
the LST
and the LCT,
combining the sea keeping qualities of the former
with the carrying capacity of the latter. This afforded
greater strategic
flexibility by allowing an amphibious
force to be loaded at a port at a
considerable distance from the objective. About 528 were
produced from April 1944 to the end of the war.
As with the other larger landing ship classes, some LSMs were converted to fire support ships by giving them heavier armament, particularly 5" (127mm) rockets. The LSM conversions had automatic reloaders and could launch 30 rockets a minute.
|
1943-9 |
60 |
|
1944-1 |
105 |
|
1944-5 |
113 |
|
 ONI 226 | 
ONI 226 |
|
References
Friedman
(2002)
Leighton and
Coakley (1955)
NavSource.org (accessed 2009-12-26)
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