A Malaysia Airlines Boeing 777 disappeared from air traffic control screens over waters between Malaysia and Vietnam early Saturday morning, leaving the fates of the 239 people aboard in doubt. A look at some of the world's deadliest air disasters:
June 3, 2012: Dana Air MD-83 jet crashes into residential area of Nigeria's largest city, Lagos, killing all 153 people aboard.
April 20, 2012: Bhoja Air Boeing 737 crashes in wheat fields near Islamabad, Pakistan while trying to land during thunder storm, killing 127 people.
Jan 9, 2011: Iran Air Boeing 727 breaks to pieces on impact in northwestern Iran. 77 dead.
May 12, 2010: Afriqiyah Airways plane en route to Tripoli, Libya, from Johannesburg, South Africa, crashes into the desert less than a mile from the runway, killing 103 people.
April 10, 2010: The plane of Polish President Lech Kaczynski crashes outside the western Russian city of Smolensk, killing all 96 aboard.
June 30, 2009: Yemenia Airbus 310 en route to the Comoros Islands crashes into the Indian Ocean with 153 people on board.
June 1, 2009: Air France Airbus A330 runs into thunderstorms and crashes into Atlantic Ocean en route from Rio de Janeiro to Paris, killing 228 people on board.
Feb. 19, 2003: Iranian Revolutionary Guard military plane crashes into a mountain. 275 dead.
May 25, 2002: China Airlines Boeing 747 breaks apart midair and crashes into the Taiwan Strait. 225 dead.
Nov. 12, 2001: American Airlines Airbus A300 crashes after takeoff from JFK Airport into the New York City borough of Queens. 265 dead, including people on the ground.
Oct. 31, 1999: EgyptAir Boeing 767 crashes off Nantucket; the NTSB blames actions by the co-pilot. 217 dead.
Sept. 2, 1998: Swissair MD-11 crashes off Nova Scotia. 229 dead.
Feb. 16, 1998: China Airlines Airbus A300 crashes on landing at airport in Taipei, Taiwan. 203 dead.
Sept. 26, 1997: Garuda Indonesia Airbus A300 crashes near airport in Medan, Indonesia. 234 dead.
Aug. 6, 1997: Korean Air Boeing 747-300 crashes on landing in Guam. 228 dead.
Nov. 12, 1996: Saudi Boeing 747 collides with Kazakh cargo plane near New Delhi. 349 dead.
July 17, 1996: TWA Boeing 747 explodes and crashes into the Atlantic off Long Island, New York. 230 dead.
April 26, 1994: China Airlines Airbus A300 crashes on landing at Nagoya Airport in Japan. 264 dead.
Dec. 12, 1985: Arrow Air DC-8 crashes after takeoff from Newfoundland, Canada. 256 dead.
Aug. 12, 1985: Japan Air Lines Boeing 747 crashes into a mountainside after losing part of its tail fin. 520 dead in the world's worst single-plane disaster.
Aug. 19, 1980: Saudi Tristar makes emergency landing in Riyadh and bursts into flames. 301 dead.
Nov. 28, 1979: Air New Zealand DC-10 crashes into Antarctica's Mt. Erebus during sightseeing flight over the icy wilderness. 257 dead.
May 25, 1979: American Airlines DC-10 crashes after takeoff from Chicago's O'Hare Airport. 275 dead.
Jan. 1, 1978: Air India 747 crashes into the ocean after takeoff from Mumbai. 213 dead.
March 27, 1977: KLM 474, Pan American 747 collide on runway in Tenerife, Canary Islands. 583 dead in world's worst airline disaster.
Source: World Almanac, Associated Press.
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