Mi-17 with 0.9m fuselage extension, retractable undercarriage and modified cabin doors. Prototype only.

Technical data for Mi-18 Crew: 3, passengers: 30, engine: 2 x TV3-117MT turboshaft, rated at 1425kW, main rotor diameter: 21.3m, take-off weight: 11500-13000kg, empty weight: 7550kg, max speed: 270km/h, cruising speed: 240km/h, hovering ceiling, IGE: 3200m, service ceiling: 5550m, range: 580km, payload: 3000-5000kg

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