Mil Mi-4
Medium Transport Helicopter
Photo ©: Karsten Palt
The Mil Mi-4 is a single-engine medium transport-helicopter developed by the Soviet manufacturer Mil OKB, today MIL Moscow helicopter plant, JSC (Russia).
Approx. 3500 Mi-4 have been built in Russia and approx. 550 Harbin Z-5, a copy of the Mi-4 built in the Peoples Republic of China.
| Crew | 1-2 | |
| Passengers | 11 | |
| Propulsion | 1 Radial Engine | |
| Engine Model | Shvetsov ASh-82V(W) | |
| Engine Power | 1315 kW | 1763 hp |
| Speed | 209 km/h | 113 kts 130 mph |
| Service Ceiling | 5.500 m | 18.045 ft |
| Range | 250 km | 135 NM 155 mi. |
| Empty Weight | 5.390 kg | 11.883 lbs |
| max. Takeoff Weight | 7.800 kg | 17.196 lbs |
| Rotor Blades (main/tail) | 4/3 | |
| Main Rotor Diameter | 21,00 m | 68 ft 11 in |
| Tail Rotor Diameter | 3,60 m | 11 ft 10 in |
| Rotor Disc Area | 346,4 m² | 3729 ft² |
| Length | 25,02 m | 82 ft 1 in |
| Height | 5,19 m | 17 ft 0 in |
| First Flight | 05/1952 | |
| Production Status | out of production | |
| Total Production | ca. 3500 | |
| ICAO Code | MI4 | |
| NATO Code | Hound | |
| Data for (Version) | Mil Mi-4P | |
| [Photo-ID: 10541] © Karsten Palt 2014-06-08 | |
 | Mil Mi-4 Czechoslovak Air Force Reg.: 0538 c/n: 20138 |
| Letecke Muzeum Kbely [Prague] | |
| [Photo-ID: 10542] © Karsten Palt 2014-06-08 | |
 | Mil Mi-4 Czechoslovak Air Force Reg.: 0538 c/n: 20138 |
| Letecke Muzeum Kbely [Prague] | |
| [Photo-ID: 1414] © Karsten Palt 2008-09-27 | |
 | Mil Mi-4 Czechoslovak Air Force Reg.: 2139 c/n: 2139 |
| Flugausstellung L.+P. Junior [Hermeskeil] | |
| [Photo-ID: 1070] © Karsten Palt 2008-07-11 | |
 | Mil Mi-4 Czechoslovak Air Force Reg.: 9147 c/n: 9147 |
| The Helicopter Museum [Weston-super-Mare] | |
| [Photo-ID: 3542] © Karsten Palt 2010-06-12 | |
 | Mil Mi-4A NVA - LSK/LV Reg.: 569 c/n: 13146 |
| Luftwaffenmuseum [Berlin - Gatow] | |
| [Photo-ID: 3543] © Karsten Palt 2010-06-12 | |
 | Mil Mi-4A NVA - LSK/LV Reg.: 569 c/n: 13146 |
| Luftwaffenmuseum [Berlin - Gatow] | |
| [Photo-ID: 11642] © Karsten Palt 2015-08-22 | |
 | Mil Mi-4ME Polish Air Force Reg.: 617 c/n: 06175 |
| Polish Aviation Museum [Krakow] | |
| [Photo-ID: 10377] © Karsten Palt 2014-07-20 | |
 | Harbin Z-5 Peoples Liberation Army Chinese version of Mil Mi-4 |
| Shanghai Aerospace Enthusiasts Center [Shanghai] | |
| [Photo-ID: 10378] © Karsten Palt 2014-07-20 | |
 | Harbin Z-5 Peoples Liberation Army Chinese version of Mil Mi-4 |
| Shanghai Aerospace Enthusiasts Center [Shanghai] | |