Thailand/O-1
| Enhed | Eskadrille | Base | Type | Noter |
| No. 6 Wing | 604 Squadron | Don Muang | O-1 | - |
| No. 53 Wing | 531 Squadron | Prachua Khiri Khan | O-1 | - |
| No. 71 Wing | 711 Squadron | Surat Thani | O-1 | - |
EWAP/86 
:
Ca. 12 Cessna O-1 Bird Dog fly opereres af No. 711 Squadron ved U-Taphao, No.
531 Squadron ved Prachuap og No. 604 Squadron ved Bangkok.
WAPJ 29/97 
:
Hæren modtog over 60 Cessna L-19A/E/G (senere betegnet O-1) observationsfly
fra 1956.