June 24 – One Ford Trimotor of Servicio Aéreo Colombiano (SACO) collides with another Ford Trimotor of Sociedad Colombo Alemana de Transporte Aéreo (SCADTA) in Medellín, Colombia. Fifteen people are killed including the world-famous tango singer Carlos Gardel.
June 27 – United States Coast Guard Lieutenant Richard L. Burke sets a world seaplane altitude record of 5,449.050 metres (17,877.46 ft) carrying a 500-kg (1,102-lb) load, flying a Grumman JF-2 Duck.
Because of deteriorating relations between Italy and Ethiopia, the British aircraft carriers HMS Courageous and HMS Glorious disembark their aircraft at Alexandria, Egypt, to guard against any outbreak of war spreading to British-controlled territory. The aircraft remain ashore in Egypt until early 1936.
Helen Richey, the first female pilot for a regularly scheduled airline, resigns her position as a first officer at Pennsylvania Central Airlines after 10 months. She had found the experience demeaning: she had received few opportunities to fly; male pilots ignored her or made her uncomfortable in the cockpit, had threatened to strike, and had voted to deny her membership in the Air Lines Pilot Association; and the Bureau of Air Commerce had ordered her grounded in bad weather and had backed the pilots' union's request that the airline limit her to three flights per month.
October 5 – Italian aircraft conduct a destructive and bloody bombing of Adowa, Ethiopia, after Ethiopian forces had withdrawn from it. The village had been the site of a disastrous defeat of Italian troops by Ethiopian forces in the Battle of Adowa in 1896.
November 11 – A. W. Stevens and O. A. Anderson set a new balloon altitude record of 72,395 feet (22,066 m)
November 11–13 – Jean Batten becomes the first woman to fly solo across the South Atlantic, taking 2 days 13 hours from England to cross from Senegal to Brazil in a Percival Gull. She also breaks the speed record for this crossing, by a full day.
December 26 – GeneralRodolfo Graziani requests permission from Benito Mussolini to use poison gas against Ethiopian forces. He receives it, and during the last few days of December Italian aircraft begin dropping mustard gas on Ethiopian troops around the Takkaze River and on the village of Jijiga. Italian planes will drop poison gas for the remainder of the war, and continue to use it against Ethiopian guerrillas after the war ends.