and/or improper operation of the altimeter by the crew. One passenger was killed, 4 or 5 persons were seriously injured. 21 July 1981 A LOT Polish Airlines An-24B (SP-LTI) was hijacked by one person and diverted to West Germany. 5 August 1981 A LOT Polish Airlines An-24B (SP-LTI) was hijacked a second time by one person; the aircraft was stormed and the hijacker arrested after landing at Gdansk. 11 August 1981 A LOT Polish Airlines An-24 (SP-LTT) operating a flight from Katowice to Gdańsk was hijacked, and one hijacker demanded to be taken to West Germany. The aircraft was stormed and hijacker arrested with duration of the hijacking less than 1 day. The same registered plane was used in Polish film series "07 zgłoś się", as a hijacked plane. 22 August 1981 A LOT Polish Airlines An-24B (SP-LTC) was hijacked by one person and diverted to West Germany. 24 August 1981 Aeroflot Flight 811, an An-24RV (CCCP-46653), collided in mid-air with Soviet Air Force Tu-16K 07514 over the Zavitinsky District, Russia, killing 31 of 32 on board the An-24 and all six on board the Tu-16. 18 September 1981 A LOT Polish Airlines An-24B (SP-LTG) was hijacked by 12 people and diverted to West Germany. A Soviet Mi-8 helicopter attempted, but failed, to prevent the An-24 from landing. 22 September 1981 A LOT Polish Airlines An-24B (SP-LTK) was hijacked by four people who demanded to be taken to West Germany; the aircraft was stormed and hijackers arrested. 29 September 1981 A LOT Polish Airlines An-24B (SP-LTP) was hijacked by one person who demanded to be taken to West Germany; the aircraft was stormed and the hijacker arrested. 25 January 1982 A TAROM An-24RV (YR-BMD) crashed near Constanta Airport after the number one propeller feathered due to a feathering system malfunction during a training flight, killing all seven crew. 22 April 1982 An Iraqi Airways An-24B (YI-AEO) crashed in Iraq after the wing struck the ground while on final approach to an airfield. 30 April 1982 A LOT Polish Airlines An-24B (SP-LTG) was hijacked a second time by eight hijackers. The hijackers overpowered the six security personnel (two were injured) on board and flew to West Berlin. Upon landing the hijackers were taken into custody by American authorities who then turned them over to West Berlin authorities; the hijackers requested political asylum. Twenty-eight passengers remained in West Berlin, while the aircraft,