** Air fans ( hovercraft, air boat )

** Automobile air conditioning, air conditioning in a vehicle

** Solar air conditioning, air conditioning using solar power

** Ice storage air conditioning, air conditioning using ice storage

** Atmospheric dispersion modeling, mathematical simulation of how air pollutants disperse in the ambient atmosphere

** Diego and Jaquez in The Castle of Otranto – they appear to talk about random things, and argue foolishly with each other in order to lighten the air of the novel.

** Decreased concentration of oxygen in inspired air.

** In the Star Trek: Enterprise episodes " Demons " and " Terra Prime " ( both 2005 ) it is revealed that Mars is in the process of being terraformed by use of the Verteron array which redirects comets to crashland on the planet's surface ; by 2155 the atmosphere had been sufficiently altered so that, in the lowlands, Humans could breathe the air unassisted, though temperatures were still cold enough to require thermal gear.

** Republic Airlines, a regional air carrier affiliated with US Airways

** Compressed air energy storage ( CAES )

** Cryogenic liquid air or nitrogen

** The terrestrial region, according to Aristotle, consisted of concentric spheres of the four elements — earth, water, air, and fire.

** The open flute family, in which the player's lips form a stream of air that goes directly from the players lips to the edge, such as transverse flutes and end-blown flutes.

** The closed flute family, in which the musical instrument has a channel to form and direct the air stream over an edge.

** Bertrand Piccard and Brian Jones become the first to circumnavigate the Earth in a hot air balloon.

** NATO launches air strikes against the Federal Republic of Yugoslavia.

** In 1999, the North Atlantic Treaty Organization ( NATO ) led by the United States launched air attacks against Yugoslavia ( then composed of only Serbia and Montenegro ) to pressure the Yugoslav government to end its military operations against ethnic Albanian separatists in Kosovo due to accusations of war crimes being committed by Yugoslav military forces working alongside nationalist Serb paramilitary groups.

** The Japanese Navy launches an air raid on Trincomalee in Ceylon ( Sri Lanka ); the Royal Navy aircraft carrier and Royal Australian Navy destroyer are sunk off the country's East Coast.

** ( 12: 30 a. m .) – B-17 Flying Fortress air crash near Auckland.

** Carole Lombard, American actress ( air crash ) ( b. 1908 )

** WWII: The British House of Commons is damaged by the Luftwaffe in an air raid.

** In the 1971 film Dad's Army, German aircrew with photographs vital to the invasion crash land in England.

** 1968 Thule Air Base B-52 crash

** SFR Yugoslavia Prime minister, Džemal Bijedić, his wife and 6 others are killed in a plane crash in Bosnia and Herzegovina.

** The 1977 IAS Cargo Boeing 707 airplane crash in Lusaka, Zambia kills all six on board.

** The 1977 Aeroflot Ilyushin 62 airplane crash in Cuba kills 69 people.

** All members of the Zambia national football team die in a plane crash off Libreville, Gabon in route to Dakar, Senegal.

** Two trains crash at Hunan, China ; 126 are killed.

** Korean Air Flight 801 crash lands west of Guam International Airport, resulting in the deaths of 228 people.

** Marcel Cerdan, French boxer ( plane crash ) ( b. 1916 )

** Ginette Neveu, French violinist ( plane crash ) ( b. 1919 )

** A plane crash in the Isle of Wight leaves 43 dead.

** The Silver Thursday market crash occurs.

** James Alexander George Smith " Jags " McCartney the Turks and Caicos Islands ’ first Chief Minister, is killed in a plane crash over New Jersey.

** Erik Strandmark, Swedish film actor, plane crash ( b. 1919 )

** Patsy Cline, American singer plane crash ( b. 1932 )

** Cowboy Copas, American country music singer plane crash ( b. 1913 )

** Hawkshaw Hawkins, American country music singer plane crash ( b. 1921 )

** French General René Cogny and 94 others die in an Air France Caravelle jetliner crash near Nice in the Mediterranean.

** A train crash in Schiedam, the Netherlands, kills 24 people.

** Roberto Clemente dies in a plane crash off the coast of Puerto Rico while en route to deliver aid to Nicaraguan earthquake victims.

** An air crash at Croydon Air Field in London kills 8.

** A B-52 bomber collides with a KC-135 Stratotanker over Spain, dropping three 70-kiloton hydrogen bombs near the town of Palomares, and one into the sea, in the 1966 Palomares B-52 crash.