A former british region, the Irish Free State gained its independence on the 6th of Decembre 1922. The origins of the Aer-Chor Nah Eireann (Irish Air Corps) go back to 1921.
Flag, three vertical stripes, green white orange.
The Irish national flag is used, straight or tilted, as a fin flash on the aircraft of the Aer-Chor Nah Eireann. It is also used as only marking on the aircraft of the Garda Air Support Unit which operates the aircraft of the An Garda Síochána (Irish National Police).
Roundel, three-coloured celtic boss, green white orange.
Roundel used from 1954 on the aircraft of the Aer-Chor Nah Eireann. It uses the three colours of the Irish national flag.
Roundel, three concentric stripes, orange white green.
Roundel used from 1922 to 1923, in association with the rudder fin flash.
Flag, three vertical stripes, green white orange.
The green-white-orange national flag was also used as a fin flash, painted on the rudder.
Roundel, two-coloured celtic boss, green orange.
Roundel used from 1939 to 1954.
Roundel, two-coloured celtic boss, green orange, white square background.
Variant of the green-orange celtic boss, over a white square, used on camouflaged aircraft.