| Designation | Modified Role | Location | Serial / Regist. |
|---|---|---|---|
| HTL-1 | |||
| HTL-2 | Pima Air & Space Museum | 122952 / N1358N | |
| HTL-3 | |||
| HTL-4 (TH-13L) | National Museum of Naval Aviation | 128911 | |
| United States Marine Corps Air/Ground Museum | 128635 | ||
| HTL-5 | |||
| HTL-6 (TH-13M) | MCAS El Toro Historical Foundation | 142394 | |
| National Museum of Naval Aviation | 142377 | ||
| HTL-7 (TH-13N) |