Mil Mi-4
| Mi-4 | |
|---|---|
| Mil Mi-4 at Prague Aviation Museum | |
| General information | |
| Type | Transport helicopter | 
| Manufacturer | Mil Moscow Helicopter Plant | 
| Status | Limited Service; North Korean Air Force | 
| Primary users | Soviet Air Force | 
| Number built | over 4,000 including Z-5s | 
| History | |
| Manufactured | 1951–1979 | 
| Introduction date | 1953 | 
| First flight | 3 June 1952 | 
| Variants | Harbin Z-5 | 
The Mil Mi-4 (USAF/DoD reporting name "Type 36", NATO reporting name "Hound") is a Soviet transport helicopter that served in both military and civilian roles.