--- title: "Mil Mi-8 — OnlyPlanes" description: "The Mi-8 is a twin-engine medium Mil helicopter that became the basis of a large family of passenger, transport, and specialist aircraft." canonical_url: "https://onlyplanes.ru/en/military-aviation/military-helicopters/mil-mi-8" locale: en meta: keywords: "aviation, aircraft, airlines, airports, flight" "og:description": "The Mi-8 is a twin-engine medium Mil helicopter that became the basis of a large family of passenger, transport, and specialist aircraft." "og:image": "https://onlyplanes.ru/images/military-aviation/models/8.webp" "og:title": "Mil Mi-8 — OnlyPlanes" --- > Index of every page on this site: [llms.txt](https://onlyplanes.ru/llms.txt) Military helicopters / Ми-8 # Mil Mi-8 The Mi-8 is a twin-engine medium Mil helicopter that became the basis of a large family of passenger, transport, and specialist aircraft. ![Mil Mi-8 aircraft photograph](https://onlyplanes.ru/images/military-aviation/models/8.webp) Development ## History The Mi-8 is one of the most widespread utility helicopters designed by Mil's bureau. It was developed as a more modern successor to the Mi-4, able to move people, cargo, and specialist equipment. The Mi-8 name covers many versions, so one photograph or specification table cannot describe the entire family. Civil and military use developed alongside each other, and the equipment of an individual aircraft reflected its assignment. The story began with the V-8 prototype. An early prototype flew with one engine, but the later production line was defined by a twin-turboshaft layout. The two-engine V-8A flew in 1962. Its fuselage, rotor, and component arrangement changed during testing. The first production helicopter from the Kazan factory flew in 1965, after which manufacture and service expanded rapidly. The Mi-8 has two engines above a substantial cabin and one large main rotor. Interior space can be arranged for passengers, troops, cargo, or medical equipment. Some loads can be carried externally. Sliding doors aid boarding and unloading, but the exact equipment depends on the variant. Military aircraft could have communications, protection systems, and weapons; that does not mean every Mi-8 had the same fit. In service, the Mi-8 family performed transport, rescue, medical, and specialist flights. Its wide geographical use reflects a flexible platform and large production totals. Pilots still face normal helicopter limits: altitude, temperature, fuel, and load mass. The ability to land vertically near a work site does not remove the need to assess its safety. Development produced numerous variants, including the Mi-8T and later machines with different engines and equipment. In the 1980s, the upgraded Mi-8MT received the Mi-17 export designation. This matters for a catalogue. The Mi-17 belongs to the same broad line, but is not simply another name for every early Mi-8. Its appearance and performance should not automatically be assigned to the first production helicopters. The Mi-8's long history illustrates the value of a flexible basic design adapted to different operators and conditions. It became the starting point for a family rather than one narrow model. A profile of a particular helicopter benefits from its factory, version suffix, year, and purpose. 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