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The 2009 Iranian Air Force Il-76MD Adnan 2 accident of 22 September 2009 resulted in the destruction of Iran's only functional airborne early warning and control (AWACS) aircraft, an Ilyushin Il-76MD Adnan 2. Sources conflict on the cause of the loss, with some stating that there was a mid-air collision with an Iranian Air Force Northrop F-5E Tiger II or a HESA Saeqeh, and others stating that the rotodome detached from the aircraft, striking and removing the tailplane while the aircraft was maneuvering for an emergency landing following an engine fire. ==Accident== A military parade was held in Tehran on 22 September 2009 to mark the anniversary of the start of the 1980–1988 Iran–Iraq War, and was a send-off for President Mahmoud Ahmadinejad who was to give a speech at the United Nations General Assembly in New York on 23 September. A flyby by the Iranian Air Force was part of the parade involving the AWACS-equipped Ilyushin-76MD as well as Northrop F-5E Tiger IIs and HESA Saeqeh aircraft. Sources vary on the cause of the accident. Some state that a fire developed in one of the engines, and that the radome detached when the aircraft was attempting to make an emergency landing on runway 29L at Tehran's Mehrabad International Airport. The detached radar dome struck the tail fin, removing it and caused loss of control which led to the aircraft crashing.〔 Other sources state that the Il-76MD and one of the escorts collided in mid-air over the site of the tomb of former Iranian leader Ayatollah Khomeni.〔〔〔 The Ilyushin subsequently crashed in flames 15 km northwest of Varamin, killing all seven crew members on board. Some reports state that no mayday call was made, indicating a sudden event while other reports indicate that there was an emergency call from the aircraft with the pilot reporting an engine fire and calling for an emergency landing.〔 The accident was initially reported on the Islamic Republic News Agency website, but was withdrawn 5 hours later. A video of burning wreckage from the military aircraft surrounded by fire trucks was also shown on state TV. However, president Ahmadinejad made no mention of it during his speech at the parade. A video of the crash appeared on YouTube on 3 June 2011, showing the stricken IL-76MD with its rear fuselage missing, spiraling down out of control and then impacting the ground. The appearance of the video was reported in the ''Huffington Post'', and the ''Daily Mail'', which stated that the accident was the result of a mid-air collision. The scene was captured in the background of a video made while filming an in-flight refueling operation between two unrelated aircraft at the air show. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「2009 Iranian Air Force Il-76MD Adnan 2 accident」の詳細全文を読む スポンサード リンク
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