| Navy | The Royal Navy |
| Type | Corvette |
| Class | Flower |
| Pennant | K 84 |
| Built by | Harland & Wolff Ltd. (Belfast, Northern Ireland) |
| Ordered | 19 Sep, 1939 |
| Laid down | 20 Apr, 1940 |
| Launched | 19 Aug, 1940 |
| Commissioned | 3 Oct, 1940 |
| End service | 24 Oct, 1943 |
| Loss position | |
| History | Loaned to the Royal Hellenic Navy on 24 October 1943 and renamed Apostolis. Commanding Officers: A/Lt.Cdr. Frank Clifford Hopkins, RNR Lt. John Ivor Jones, RNR Cdr. Richard Taylor White, DSO and Bar, RN Lt.Cdr. John Douglas Hayes, DSO, RN |
| Career notes | To the Royal Hellenic Navy Apostolis |
| Noteable events involving Hyacinth include: 28 Sep, 1941 9 Jul, 1942 12 Sep, 1943 |
