| Class overview | |
|---|---|
| Name | Firm |
| Operators |  Royal Navy |
| Succeeded by | Musquito class |
| Planned | 2 |
| Completed | 2 |
| Retired | 2 |
| General characteristics [1] | |
| Type | Barge |
| Tons burthen | 397 6⁄94 (bm) |
| Length |
|
| Beam | 31 ft 0 in (9.4 m) |
| Depth of hold | 7 ft 4 in (2.2 m) |
| Complement | 100 |
| Armament | 16 × 18-pounder carronades |
The Firm class was a Royal Navy class of two 16-gun floating batteries built to a design by Sir John Henslow, who took as his model the flat-bottomed Thames barge. Both were launched in late 1794 and were sold in 1803.[1]
- ^ a b Winfield (2008), pp. 382–383.