| Name: | SHEFFIELD |
| Type: | Frigate |
| Keel: | 29/03/1984 |
| Launched: | 26/03/1986 |
| Completed: | 26/07/1988 |
| Builder: | Swan Hunter Shipbuilders Ltd |
| Yard: | Neptune Yard, Low Walker |
| Yard Number: | 123 |
| Dimensions: | 4800disp, 146.5 x 14.8 x 6.4(draft)metres |
| Engines: | 2 x Olympus gas turbines, 2 x Tyne gas turbines, 54600shp & 9700shp |
| Engines by: | Rolls-Royce Plc |
| Propulsion: | 2 x Screws, 30.0knots |
| Construction: | Steel |
| Armament: | 2 x 6 x Sea Wolf Anti-Air missiles, 4 x 1 x Exocet Anti-Ship missiles, |
| 2 x 2 x Mk46 Anti-Sub torpedoes, 2 x 40mm guns, 2 x Helicopters; | |
| (2008: 1 x 76mm QF, 2 x 1 20mm QF guns; 8 x Harpoon Anti-Ship missiles, | |
| 2 x Barak Anti-Air missiles, 2 x 3 x 324mm torpedoes, 1 x Helicopter) | |
| History: | |
| 26/07/1988 | British Royal Navy |
| 05/09/2003 | Government of Chile; renamed ALMIRANTE WILLIAMS |
| In service | |
| Comments: | Member of the Type 22 (Batch 2) Class of frigates |
| Intended to be named BRUISER but renamed to commemorate the Type 42 destroyer | |
| 2016: In service |

Above photo copyright of Webmaster

Above photo copyright of Dennis Maccoy

Above photo copyright of Dennis Maccoy

Above photo copyright of Dennis Maccoy

Above photo copyright of Dennis Maccoy

Above photo copyright of Webmaster

Above photo courtesy of Photoship

Above photo as ALMIRANTE WILLIAMS copyright of Juan Carlos