| Name: | STEADFAST |
| Type: | Destroyer |
| Keel: | 09/1917 |
| Launched: | 08/08/1918 |
| Completed: | 03/1919 |
| Builder: | Palmers' Shipbuilding & Iron Co Ltd |
| Yard: | Jarrow |
| Yard Number: | 881 |
| Dimensions: | 1000disp - 1220disp, 265.0 x 26.7 x 9.8(draft)ft |
| Engines: | 2 x Steam turbines, Parsons type, 27000shp |
| Engines by: | Palmers' Shipbuilding & Iron Co Ltd, Jarrow |
| Propulsion: | 2 x Screws, 36.0knots |
| Construction: | Steel |
| Armament: | 3 x 1 x 4.0ins QF, 1 x 2pdr QF, 1 x 8mm guns; |
| 2 x 2 x 21ins torpedoes & 2 x 1 x 18ins torpedoes | |
| History: | |
| 03/1919 | British Royal Navy |
| 28/07/1934 | Broken up |
| Comments: | A member of the S class also known as Modified Trenchant class |
| Allocated pennant number F99, changed to H37 after 1922 | |
| 28/07/1934: Sold for breaking up by Metal Industries. Cost £3400 | |
| 31/08/1934: Arrived at Charlestown for breaking up by Metal Industries | |
| 17/10/1934: Breaking up commenced |
Photo is of SWORDSMAN, a typical S Class destroyer. Photo is copyright of Allan Green