| Coast Defence Ship | Launched | LOA (ft) | Beam (ft) | Std. Disp. (tons) | Shafts | Armor | Speed kts | Guns |
| Sri Ayuthia | 1937 | 252.66 | 47.33 | 2265 | 2 | 2 1/2" | 15.5 | 4-8" (2x1), 4-3" AA (4x1) |
| LOA (inches) | Beam (inches) | Std. Disp. (lbs) | Pump | Armor | Speed 100' | Guns | ||
| 31.58 | 5.92 | 5.7 | 1/4 | 1/32" | 73.5 | 4-3/16", 4-1/8" |