Sixty-one conversion of CH/UH-46A for USN/USMC Search & Rescue. Mods included a rescue hoist, doppler radar, search light, extra fuel tankage in rear fuselage and more advanced avionics. 
List of Operators of HH-46A |
| Years | Model | Org | |
|---|---|---|---|
| 1962/15 | 107M H-46 Sea Knight |  US Marine Corps | |
| 1964/06 | 107M H-46 Sea Knight | US Navy |
Construction Numbers |
| C/N | Year | History | |
|---|---|---|---|
| 2021 | 1964 | 150938 | |
| 2036 | 1964 | 150951 | |
| 2044 | 1964 | 150958 | |
| 2060 | 1964 | 151912 | |
| 2061 w/o 1987 | 1965 | 151913 | |
| 2063 | 1964 | 151914 | |
| 2064 | 1965 | 151915 | |
| 2070 | 1965 | 151920 | |
| 2076 w/o 1993 | 1965 | 151926 | |
| 2077 | 1965 | 151927 | |
| 2087 | 1965 | 151937 | |
| 2089 | 1965 | 151939 | |
| 2139 w/o 1987 | 1966 | 152518 | |
| 2152 | 1966 | 152530 | |
| 2160 scrapped 2010 | 1966 | 152538 | |
| 2165 w/o 1980 | 1966 | 152543 |
