Units
| 1964-1988 | US Army Aviation School |
Airframes (25)
| Reg | Model | C/N | Built | |
|---|---|---|---|---|
| 64-18055 | th-55a | 85-0367 | ||
| 64-18070 | th-55a | 0382 | 1965 | |
| 64-18080 | th-55a | 0332 | ||
| 64-18101 | th-55a | 105-0413 | 1965 | |
| 64-18188 | th-55a | 0500 | ||
| 64-18200 | th-55a | 0512 | ||
| 64-18201 | th-55a | 0513 | ||
| 64-18202 | th-55a | 0514 | ||
| 64-18203 | th-55a | 0515 | ||
| 64-18214 | th-55a | 0526 | ||
| 64-18222 | th-55a | 56-0534 | ||
| 64-18239 | th-55a | 56-0551 | ||
| 65-18258 | th-55a | 96-0653 | 1965 | |
| 66-18320 | th-55a | 76-0603 | ||
| 66-18324 | th-55a | 76-0636 | ||
| 66-18325 | th-55a | 76-0610 | ||
| 67-16740 | th-55a | 58-0847 | ||
| 67-16879 | th-55a | 78-0986 | ||
| 67-16908 | th-55a | 108-1015 | ||
| 67-16936 | th-55a | 128-1043 | ||
| 67-16955 | th-55a | 19-1062 | ||
| 67-16968 | th-55a | 19*1075 | ||
| 67-16971 | th-55a | 19-1078 | ||
| 67-16986 | th-55a | 29-1093 | ||
| 67-18384 | th-55a | 47-0696 | 1967 |