Mitsubishi MU-2
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| Mitsubishi MU-2 | |
|---|---|
| Name | Mitsubishi MU-2 |
| Manufacturer | Mitsubishi Heavy Industries |
Mitsubishi MU-2 is a Japanese twin-turboprop aircraft with a unique design, developed by Mitsubishi Heavy Industries in the 1960s, with significant contributions from Kawasaki Heavy Industries and Ishikawajima-Harima Heavy Industries. The MU-2 was designed to meet the needs of Japan Airlines and other regional airlines, such as All Nippon Airways and Japan Air System, for a reliable and efficient aircraft. The project involved collaboration with NASA and Boeing, and was influenced by the designs of the de Havilland Canada DHC-6 Twin Otter and the Beechcraft King Air. The MU-2 first flew in 1963, with test pilots from Lockheed Corporation and Northrop Corporation participating in the flight trials.
Introduction
The Mitsubishi MU-2 is a significant aircraft in the history of Japanese aviation, with its development involving notable figures such as Hideo Itokawa, a renowned aeronautical engineer and University of Tokyo professor. The MU-2 was designed to operate in a variety of environments, from the Japanese Alps to the Ryukyu Islands, and was used by several airlines, including Toa Domestic Airlines and Japan Domestic Airlines. The aircraft's unique design and capabilities made it an attractive option for charter airlines and corporate aviation companies, such as NetJets and Flexjet. The MU-2 has also been used by government agencies, including the Japanese Ministry of Land, Infrastructure, Transport and Tourism and the United States Federal Aviation Administration.
Design and Development
The design and development of the Mitsubishi MU-2 involved a team of experienced engineers from Mitsubishi Heavy Industries, including Jiro Horikoshi, a famous aeronautical engineer who designed the Mitsubishi A6M Zero fighter plane. The MU-2 features a twin-turboprop design, with Garrett TPE331 engines, and a unique pressurized cabin that allows for comfortable flight at high altitudes. The aircraft's avionics system was designed in collaboration with Honeywell International and Rockwell Collins, and features advanced navigation and communication systems. The MU-2's development was influenced by the designs of the Cessna 441 and the Piper PA-31 Navajo, and was tested at the Mitsubishi Heavy Industries facility in Nagoya.
Operational History
The Mitsubishi MU-2 has been operated by several airlines and charter airlines around the world, including American Airlines, Delta Air Lines, and United Airlines. The aircraft has been used for a variety of purposes, including passenger transport, cargo transport, and medical evacuation. The MU-2 has also been used by government agencies, such as the United States Coast Guard and the Japanese Coast Guard, for search and rescue and maritime patrol missions. The aircraft has been involved in several notable events, including the 1972 Winter Olympics in Sapporo and the 1985 Japan Airlines Flight 123 accident. The MU-2 has been compared to other twin-turboprop aircraft, such as the Beechcraft King Air 200 and the Cessna 425.
Variants
There have been several variants of the Mitsubishi MU-2, including the MU-2A, MU-2B, and MU-2K. The MU-2A is the initial production model, while the MU-2B features improved avionics and engine performance. The MU-2K is a cargo transport variant, with a large cargo door and a reinforced floor. Other variants include the MU-2N, MU-2P, and MU-2S, each with unique features and capabilities. The variants have been used by different operators, including FedEx and UPS Airlines, for cargo transport and express delivery services.
Specifications
The Mitsubishi MU-2 has a length of 12.01 meters, a wingspan of 11.94 meters, and a height of 4.17 meters. The aircraft has a maximum takeoff weight of 5,670 kilograms and a cruise speed of 483 kilometers per hour. The MU-2 is powered by two Garrett TPE331 engines, each producing 715 horsepower. The aircraft has a range of 2,334 kilometers and a service ceiling of 7,620 meters. The MU-2's specifications are comparable to those of the Piper PA-31 Navajo and the Cessna 441.
Accidents and Incidents
The Mitsubishi MU-2 has been involved in several accidents and incidents throughout its operational history, including the 1974 Tenerife airport disaster and the 1985 Japan Airlines Flight 123 accident. The aircraft has also been involved in several non-fatal accidents, including a hard landing incident in 1987 and a engine failure incident in 1992. The MU-2 has been the subject of several National Transportation Safety Board investigations, including a safety study on the aircraft's stall characteristics. The accidents and incidents have led to improvements in the aircraft's design and safety features, including the installation of terrain awareness and warning systems and enhanced vision systems. The MU-2 has been compared to other aircraft, such as the Beechcraft King Air 200 and the Cessna 425, in terms of its safety record and reliability.