Export version of Wessex HAS.1 for Royal Australian Navy. Twenty-seven Mk.31A examples delivered with more powerful 1,540 shp Napier Gazelle NGa 13/2 Mk.162 turboshaft engine. Flown by 725 Sqn (training) and 817 Sqn (ASW). 
Specifications Wessex HAS.31 |
List of Operators of Wessex HAS.31 |
| Years | Model | Org | |
|---|---|---|---|
| 1963/91 | Wessex |  Fleet Air Arm (RAN) |
Global Distribution of Wessex HAS.31 |
|
Construction Numbers |
| C/N | Year | History | |
|---|---|---|---|
| wa200 | 1962 | N7-200 | |
| wa201 w/o 1970 | 1962 | N7-201 | |
| wa202 w/o 1989 | 1962 | N7-202 | |
| wa203 | 1962 | N7-203 | |
| wa204 | 1962 | N7-204 | |
| wa205 | 1962 | N7-205 | |
| wa206 w/o 1964 | 1962 | N7-206 | |
| wa207 w/o 1965 | 1962 | N7-207 | |
| wa208 w/o 1974 | 1962 | N7-208 | |
| wa209 w/o 1987 | 1962 | N7-209 | |
| wa210 | 1962 | N7-210 | |
| wa211 w/o 1969 | 1963 | N7-211 | |
| wa212 w/o 1978 | 1963 | N7-212 | |
| wa213 w/o 1977 | 1963 | N7-213 | |
| wa214 w/o 1989 | 1963 | N7-214 | |
| wa215 w/o 1983 | 1963 | N7-215 | |
| wa216 | 1963 | N7-216 | |
| wa217 | 1963 | N7-217 | |
| wa218 w/o 1989 | 1963 | N7-218 | |
| wa219 | 1963 | N7-219 | |
| wa220 w/o 1989 | 1963 | N7-220 | |
| wa221 | 1963 | N7-221 | |
| wa222 w/o 1974 | 1963 | N7-222 | |
| wa223 | 1963 | N7-223 | |
| wa224 | 1963 | N7-224 | |
| wa225 w/o 1967 | 1963 | N7-225 | |
| wa226 | 1963 | N7-226 |
