Mil Mi-4
Developed as a response to the US H-19 Chickasaw during the Korean War, the Mi-4 copied its forward-mounted engine layout while being built larger and in far greater numbers. Entering service in 1953, it became the backbone of Soviet military and civil aviation for decades, from Aeroflot transports to the anti-submarine Mi-4M. It is best remembered for the 1971 Meghna Heli Bridge, when Indian Army Mi-4s ferried an entire division across the river during the Bangladesh Liberation War. Gradually replaced by the Mi-8, the type was retired by all air forces by 2005.

Did you know?
Soviet transport helicopter built around a nose-mounted engine copied from the US H-19, flying from 1953 until 2005.
Specifications
| Length | 17.7 m (58 ft) |
|---|---|
| Height | 4.4 m (14 ft) |
| Rotor diameter | 21.3 m (70 ft) |
| Maximum passengers | 16 |
| Persons on board | 16 |
| Crew | 3 |
| Maximum take-off weight | 7.8 t |
| Range | 310 NM (574 km) |
| Maximum speed | 115 kt (213 km/h) |
| Service ceiling | 15,000 ft (4,572 m) |
| Optimum ceiling | 8,000 ft (2,438 m) |
| Rate of climb | 1,102 ft/min (5.6 m/s) |
| Fuel capacity | 1,000 l |
| Engines | 1x Shvetsov ASh-82V |
| Units built | 558 |
Curated by CatchFlights from manufacturer documents, ICAO Doc 8643 and reference works; values are left out where no source could confirm them. Sources are listed on our credits page.
In CatchFlights
In CatchFlights the Mil Mi-4 starts as a Legendary catch. The tier is an editorial judgement of how special a sighting of this type is. The more often you catch it, the closer it moves to Common for you. The first catch of a legendary type pays a bonus of its own.
A catch counts for the manufacturer Mil, the Mi-4 family and the model in your collection, and the daily Type Rating quiz asks about the types of each family.
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