An Iranian passenger plane with at least 105 people on board crashed near the northwestern city of Urumiyeh, state television reported on Sunday.
Following is a timeline of aircraft crashes involving Iran in the past 10 years:
February 2, 2000 - An Iranian Air Force C-130 runs out of control while taking off from Tehran airport and crashes into an empty Iran Air A300. Both aircraft are destroyed. All six aboard the C-130 are killed.
May 17, 2001 - A Russian Yak-40 plane carrying 29 people, including Iranian Transport Minister Rahman Dadman and some deputy ministers, crashes in northern Iran killing all on board.
February 12, 2002 - An Iran Air Tours Tupolev-154 crashes near the western city of Khorramabad. All 118 aboard are killed.
December 23 - A Ukrainian Antonov An-140 plane crashes into a mountain in central Iran, killing all 46 aboard. Most of the passengers were Ukrainian and Russian aerospace officials traveling to Iran to test fly an Iranian-built copy of the plane. The crash was blamed on pilot error.
February 19, 2003 - An Iranian Ilyushin-76 troop carrier crashes in southeast Iran killing all 276 Revolutionary Guard soldiers and crew aboard.
February 10, 2004 - A Kish airlines Fokker-50 plane crashes while landing at Sharjah airport in the United Arab Emirates killing 43 of the 45 passengers and crew aboard.
December 6, 2005 - An Iranian Air Force C-130 aircraft with 94 people on board crashes into a 10-storey apartment block in the Shahrak-e Towhid area of Tehran, killing all on board and at least 22 people on the ground.
January 9, 2006 - An Iranian military plane crashes in northwest Iran, killing at least 11 people on board, including several Revolutionary Guard commanders.
September 1 - An Iran Air Tour Tupolev 154 passenger plane catches fire on landing at an airport in the northeastern city of Mashhad, killing 29 people.
November 27 - An Antonov-74 military aircraft crashes shortly after takeoff from a Tehran airport, killing 36 people on board.
August 24, 2008 - A Boeing 737-200 belonging to private Kyrgyz company Itek-Air, chartered by an Iranian company and bound for Iran, crashes at Bishkek airport. Around 70 people, including members of a local teenage basketball team, die.
July 15, 2009 - A Caspian Airlines Tupolev aircraft, carrying 153 passengers and 15 crew from Tehran to Yerevan in Armenia, crashes near the city of Qazvin killing all aboard.
July 24, 2009 - An Ilyushin Il-62 from Kazakhstan leased by Iran's Aria Aviation Company, veered from the runway and hit a wall while landing at Mashhad's Hasheminejad Airport. At least 16 people are killed and 30 injured from the 153 people aboard.
Jan 9, 2011 - An Iranian passenger jet crashed in bad weather near the northwestern city of Urumiyeh. At least 50 people were rescued from the crash, the semi-official Fars news agency quoted an official as saying. Fars said there were 105 people on board, state TV put the number at 156.
(Writing by David Cutler, London Editorial Reference Unit)