Transport House, which formerly housed the head office of the AAIU
The Air Accident Investigation Unit (AAIU) (Irish: An tAonad um Imscrúdú Aerthionóiscí) is part of the Department of Transport, Tourism and Sport of Ireland, and is responsible for the investigation of aircraft accidents and serious incidents within Ireland and in some cases to Irish registered aircraft elsewhere.
The Air Accident Investigation Unit has its head offices on the second floor of the Department of Transport, Tourism and Sport offices on Leeson Lane in Dublin. It was previously located in the Transport House in Dublin. It has a permanent staff of eight personnel.
^"About Us." (Archive) Air Accident Investigation Unit. Retrieved on 28 April 2013. "The AAIU headquarters is located in the Department of Transport, Tourism and Sport, 2nd Floor, Leeson Lane, off Leeson Street, Dublin 2, Ireland."