The airfield was the one from which the first successful east–west Atlantic crossing by a Junkers W33 aeroplane, the Bremen, took off on 12 April 1928 with Baron Hünefeld, Hermann Köhl and Captain James Fitzmaurice as co-pilot;[2] and the first Aer Lingus flight took place from here on 27 May 1936.

[6] Anti-war activists have accused the government of allowing the aerodrome's use as a US military stopover hub, with protests in 2006 leading to arrests.

[7] In March 2002, Michael Smith, the Minister for Defence, confirmed that since September 2001, 22 US military aircraft had landed at the aerodrome.

[8] There has also been speculation since the early 2000s that Casement Aerodrome is used as an airport by the Central Intelligence Agency (CIA) for their extraordinary rendition programme.

[9] Queen Elizabeth II landed at Casement Aerodrome on 17 May 2011, beginning her state visit to Ireland.