Legality of Cannabis by U.S. Jurisdiction Aviation accidents and incidents in 1999 (1999) Feb 24 China Southwest Airlines Flight 4509Feb 25 Alitalia Flight 1553Mar 15 Korean Air Flight 1533Mar 27 F-117A shootdownApr 7 Turkish Airlines Flight 5904Apr 12 Avianca Flight 9463Apr 15 Korean Air Cargo Flight 6316Jun 1 American Airlines Flight 1420Jul 2 1999 Tramore helicopter crashJul 7 Hinduja Cargo Services Flight 8533Jul 16 Martha's Vineyard plane crashJul 23 All Nippon Airways Flight 61Jul 24 Air Fiji Flight 121Aug 7 TACV Flight 5002Aug 10 Pakistani Atlantic shootdownAug 22 China Airlines Flight 642Aug 24 Uni Air Flight 873Aug 31 LAPA Flight 3142Sep 3 Edinburgh Air Charter Flight 3WSep 5 Necon Air Flight 128Sep 14 Britannia Airways Flight 226ASep 23 Qantas Flight 1Oct 11 Air Botswana crashOct 25 South Dakota Learjet crashOct 31 EgyptAir Flight 990Nov 9 TAESA Flight 725Nov 12 Si Fly Flight 3275Dec 7 Asian Spirit Flight 100Dec 11 SATA Air Açores Flight 530MDec 21 Cubana de Aviación Flight 1216Dec 22 Korean Air Cargo Flight 8509Dec 24 Indian Airlines Flight 814Dec 25 Cubana de Aviación Flight 310 1998 ◄ ► 2000