2009 Iranian Air Force mid-air collision
Encyclopedia
The 2009 Iranian Air Force Ilyushin IL-76MD accident of 22 September 2009 resulted in the destruction of Iran's only functional Airborne Warning and Control System (AWACS) aircraft, an Ilyushin IL-76MD
Ilyushin Il-76
The Ilyushin Il-76 is a multi-purpose four-engined strategic airlifter designed by Ilyushin design bureau. It was first planned as a commercial freighter in 1967. Intended as a replacement for the Antonov An-12, the Il-76 was designed for delivering heavy machinery to remote, poorly-serviced areas...

. 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 manoeuvreing for an emergency landing following an engine fire.

Accident

A military parade was held in Tehran
Tehran
Tehran , sometimes spelled Teheran, is the capital of Iran and Tehran Province. With an estimated population of 8,429,807; it is also Iran's largest urban area and city, one of the largest cities in Western Asia, and is the world's 19th largest city.In the 20th century, Tehran was subject to...

 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
President of Iran
The President of Iran is the highest popularly elected official in, and the head of government of the Islamic Republic of Iran; although subordinate to the Supreme Leader of Iran, who functions as the country's head of state...

 Mahmoud Ahmadinejad who was to give a speech at the United Nations General Assembly
United Nations General Assembly
For two articles dealing with membership in the General Assembly, see:* General Assembly members* General Assembly observersThe United Nations General Assembly is one of the five principal organs of the United Nations and the only one in which all member nations have equal representation...

 in New York
New York City
New York is the most populous city in the United States and the center of the New York Metropolitan Area, one of the most populous metropolitan areas in the world. New York exerts a significant impact upon global commerce, finance, media, art, fashion, research, technology, education, and...

 on 23 September. A fly-past 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 radar dome detached from the aircraft while attempting to make an emergency landing on runway 29L at Tehran's Mehrabad International Airport
Mehrabad International Airport
Mehrabad International Airport is an airport that serves Tehran, Iran. It was the primary airport of Tehran in both international and domestic passenger traffic but has been replaced by Imam Khomeini International Airport in most of its international flights...

. 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
Mausoleum of Khomeini
The Mausoleum of Ayatollah Khomeini houses the tomb of Ruhollah Moosavi Khomeini and Ahmad Khomeini, his second son who died in 1995. It is located to the south of Tehran in the Behesht-e Zahra cemetery. Construction commenced in 1989 following Khomeini's death on June 3 of that year...

.

The Ilyushin subsequently crashed in flames at Varamin
Varamin
Varamin is a city in and the capital of Varamin County, Tehran Province, Iran. At the 2006 census, its population was 208,569, in 53,639 families.Varamin has an extensive history...

, killing all seven crew members on board. Some reports state that no mayday call was made, indicating a sudden event whilst other reports indicate that there was an emergency call from the aircraft with the pilot reporting an engine fire and calling for emergency landing authority. The accident was initially reported on the Islamic Republic News Agency
Islamic Republic News Agency
The Islamic Republic News Agency , or IRNA, is the official news agency of the Islamic Republic of Iran. It is government-funded and controlled under the Iranian Ministry of Culture and Islamic Guidance. The agency also publishes the newspaper Iran. , the Managing Director of IRNA is Ali Akbar...

 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
YouTube
YouTube is a video-sharing website, created by three former PayPal employees in February 2005, on which users can upload, view and share videos....

 on 3 June 2011, showing the stricken IL-76MD with its rear fuselage missing, spiralling down out of control and then impacting the ground. The appearance of the video was reported in the Huffington Post, and the Daily Mail
Daily Mail
The Daily Mail is a British daily middle-market tabloid newspaper owned by the Daily Mail and General Trust. First published in 1896 by Lord Northcliffe, it is the United Kingdom's second biggest-selling daily newspaper after The Sun. Its sister paper The Mail on Sunday was launched in 1982...

, 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.

IL-76

The aircraft involved was an Ilyushin Il-76MD, a Soviet-built transport aircraft, later converted to an AWACS system for the Iraqi Air Force
Iraqi Air Force
The Iraqi Air Force or IQAF is the military branch in Iraq responsible for the policing of international borders, surveillance of national assets and aerial operations...

 called the Adnan-2 class AWACS
Ilyushin Il-76
The Ilyushin Il-76 is a multi-purpose four-engined strategic airlifter designed by Ilyushin design bureau. It was first planned as a commercial freighter in 1967. Intended as a replacement for the Antonov An-12, the Il-76 was designed for delivering heavy machinery to remote, poorly-serviced areas...

. It had been flown from Iraq to Iran in 1991 during the First Gulf War, given serial number 5-8209 and renamed from "Baghdad" to "Simorgh"
Simurgh
Simurgh , also spelled simorgh, simurg, simoorg or simourv, also known as Angha , is the modern Persian name for a benevolent, mythical flying creature...

 (a flying creature of Iranian fable which performs wonders in mid-flight). After arrival in Iran, Russian technicians had reportedly upgraded the aircraft and installed a newer Iranian-made radar, which could trace flying objects within a 1000 kilometres (540 nmi) range. The aircraft came into service in April 2008 and was the only AWACS-equipped Iranian aircraft.

Possible second aircraft

If a mid-air collision was the cause of the accident, some sources state that the second aircraft involved was a Northrop F-5E Tiger II, whilst others state that a HESA Saeqeh was the second aircraft.
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