Hughes (McDonnell Douglas Helicopters) Model
369/MD500/OH-6 Cayuse 
Hughes (McDonnell Douglas Helicopters) Model 369/MD500/OH-6 Cayuse
 | Argentina  |
| Bahrain |
| Bolivia |
| Brasilien |
| Colombia |
| Costa Rica  |
| Cypern |
| Danmark  |
| Dominicanske Republik |
| El Salvador
|
| Filippinerne |
| Finland |
| Haiti |
| Honduras |
| Indonesien |
| Irak |
| Israel |
| Italien
|
| Japan  |
| Jordan |
| Kenya |
| Kroatien |
| Malta |
| Mauretanien |
| Mexico |
| Nicaragua |
| Nordkorea |
| Spanien |
| Surinam |
| Sydkorea |
| Taiwan |
| USA |
= luftvåbnet
= flåden = hæren
= halvmilitær 
= regering
