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Mil Mi-26 (Halo)


Heavy-Lift Transport Helicopter


The Soviet-Russian Mil Mi-26 HALO is the largest helicopter to have ever been produced in number and remains in active service with customers across the globe.
Authored By: Staff Writer | Edited: 7/3/2019
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Specifications


Year: 1983
Status: Active, In-Service
Manufacturer(s): Mil Moscow Helicopter Plant - Soviet Union / Russian Helicopters - Russia
Production: 316
Capabilities: Anti-Submarine Warfare (ASW); Transport; Commercial Market; VIP Transport; Medical Evacuation; Search and Rescue (SAR); Special Forces;
Crew: 5
Length: 131.30 ft (40.02 m)
Width: 104.99 ft (32 m)
Height: 26.71 ft (8.14 m)
Weight (Empty): 62,170 lb (28,200 kg)
Weight (MTOW): 123,459 lb (56,000 kg)
Power: 2 x Lotarev D-136 turboshaft engines developing 11,400 horsepower each driving an eight-bladed main rotor and five-bladed tail rotor.
Speed: 183 mph (295 kph; 159 kts)
Ceiling: 15,092 feet (4,600 m; 2.86 miles)
Range: 1,213 miles (1,952 km; 1,054 nm)
Operators: Algeria; Belarus; Belgium; Cambodia; China; Democratic Republic of the Congo; Equatorial Guinea; India; Indonesia; Kazakhstan; Laos; Mexico; North Korea; Peru; Poland; Russia; Soviet Union; Ukraine; Venezuela
Since its adoption into service with the Soviet Air Force during the early 1980s, the Cold War-era Mi-26 (NATO codename of "Halo") has been the largest and most powerful helicopter anywhere in the world. This heavy-lift series was developed to replace the aging Mil Mi-6 series. The Mi-26 was given an all-new, eight-bladed main rotor driven by a pair of Lotarev powerplants which helped the helicopter become a proven performer in both military and civilian roles - serving well in humanitarian relief efforts through its impactful supply-delivery capabilities.

The Mi-26 is powered by twin Lotarev D-136 series turboshafts developing approximately 11,400 shaft horsepower each and these are installed atop the cargo hold section of the fuselage abaft of the flight deck. Performance-wise, this massive machine can reach speeds up to 185 miles per hour and cruise at 160 miles per hour. Range is out to 1,200 miles with a service ceiling of 15,100 feet being possible. The 105-foot diameter eight-blade main rotor features advanced design and construction and is paired to a five-bladed tail rotor fitted along the vertical tail fin facing starboard. The helicopter's cockpit cabin is set well-forwards in the design, overlooking a short, rounded nose cone assembly and offering excellent vision out-of-the-cockpit. The cargo area is spacious and suitable for hauling up to 90 infantry with gear, 60 medical litters with staff or up 44,100 pounds of cargo. Her power is such that she can be used to carry heavy construction equipment to areas traditional rugged Short Take-Off and Landing (STOL) aircraft cannot. Entry/exit is through sliding side doors as well as a powered loading ramp at rear which opens at the base of the tail section. The undercarriage is fixed and wheeled, consisting of a traditional tricycle arrangement. The standard operating crew for the Mi-26 is five made up of two pilots, a flight engineer/loadmaster, dedicated navigator, and a flight technician.

The Mi-26 has evolved from its original V-29 prototype to appear in a variety of dedicated and specialized forms. These include modernized models, MEDEVAC versions, a dedicated Anti-Submarine Warfare (ASW) platform, passenger/cargo types, and an airborne heavy-lift crane version. There has also been a dedicated fire-fighting platform.

Beyond the militarized versions of the Mi-26, there are also civilian market variants in service. Since its inception, it is reported that about 300 Mi-26 helicopters have been produced. First flight was on December 14th, 1977 with service introduction coming in 1983. Deliveries followed thereafter and full operational status was reached by 1986.

The Mi-26 was designed by engineers at the storied Mil Moscow Helicopter Plant in Moscow, Russia.

An Mi-26 Halo, with over 125 Russian personnel aboard, was downed by a Chechen surface-to-air missile system in August of 2002, killing all passengers and crew. More recently, Chinese Mi-26's have taken part in disaster relief operations in quake-effected regions of China.

Program Updates



September 2018 - The Mi-26T2V was unveiled as a modernized form at the 2018 Army Show (Moscow). The design showcased all-modern digital avionics, instrument panel, countermeasures suite and digitally-assisted flight controls. The prototype reportedly held its maiden flight on August 19th, 2018.






Armament



None. Hold reserved for up to 90 combat-ready troops, 60 medical litters with medical staff, or up to 44,100 pounds of cargo / supply pallets.

Variants / Models



• V-29 - Prototype Model
• Mi-26 "Halo-A" - Militarized Cargo Transport Model.
• Mi 26A - Upgraded Mi-26 Model
• Mi-26M - Improved Performance Model based on the Mi-26.
• Mi-26MS - MEDEVAC variant
• Mi-26NEF-M - Dedicated Anti-Submarine Warfare (ASW) Model.
• Mi-26P - Passenger Transport Model; seating for up to 63 personnel.
• Mi-26PP - Communications Model
• Mi-26PK - Airborne Crane Platform
• Mi-26S - Conversion Model developed to combt and assist nucelar disasters after the Chernobly incident.
• Mi-26T - Civilian Cargo Transport Model
• Mi-26TC - Basic Cargo Transport Model
• Mi-26TM - Airborne Crane Platform
• Mi-26TP - Dedicated Firefighting Platform
• Mi-26TS - Export Model based on the Mi-26T model civilian cargo transport.
• Mi-26TZ - Dedicated In-Flight Refueling Tanker
• Mi-26T2V - Proposed modernized, all-digital variant of the Mi-26; first-flight held in August 2018.
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