Surviving 48x Sea King HAS.1 modified to HAS.2A standard (very close to new build HAS.2 with improved Gnome H.1400-1 engines, increased fuel capacity, a 6 bladed tail rotor and air intake deflectors/filters) by NASU Culdrose and RNAY Fleetlands from c 1976. Programme complete by c Aug 1978. 
List of Operators of Sea King HAS.2A |
| Years | Model | Org | |
|---|---|---|---|
| 1969/18 | Sea King |  Fleet Air Arm |
Construction Numbers |
| C/N | Year | History | |
|---|---|---|---|
| wa 630 | 1969 | XV642 | |
| wa 631 | 1969 | XV643 | |
| wa 635 | 1969 | XV647 | |
| wa 636 | 1969 | XV648 | |
| wa 637 | 1969 | XV649 | |
| wa 640 w/o 1988 | 1969 | XV652 | |
| wa 642 w/o 1993 | 1969 | XV654 | |
| wa 645 | 1969 | XV657 | |
| wa 646 w/o 1983 | 1970 | XV658 | |
| wa 647 | 1970 | XV659 | |
| wa 648 | 1970 | XV660 | |
| wa 653 | 1970 | XV665 | |
| wa 656 w/o 1987 | 1970 | XV668 | |
| wa 662 | 1970 | XV674 | |
| wa 665 | 1970 | XV677 | |
| wa 667 | 1971 | XV696 | |
| wa 668 | 1971 | XV697 | |
| wa 669 w/o 1982 | 1971 | XV698 | |
| wa 671 | 1971 | XV700 | |
| wa 676 | 1971 | XV705 | |
| wa 681 | 1972 | XV710 |
