He was found unresponsive at Casement Aerodrome in Baldonnel.
A member of the Irish Air Corps has been found dead.
Lieutenant Conal Sheeran was found in an unresponsive state by his colleagues at Casement Aerodrome in Baldonnel, Dublin.
The 30-year-old from Westmeath joined the Defence Forces in 2012.
Lt Sheeran joined Óglaigh na hÉireann in 2012 as a Recruit in 1 Infantry Battalion, before joining the 70th Air Corps Apprentice Class also in 2012.
He graduated from this training in 2016 and subsequently became a member of the 36th Air Corps Cadet Class in 2017.
He completed this training and was commissioned as an Officer in the Air Corps in 2020.
Lt Sheeran had 11 years of service with Óglaigh na hÉireann and served in a number of appointments, including the Flight Training School, 506 Squadron and No.5 Ops Wing HQ.
He also completed a Bachelor of Engineering in Military Aviation Technology in NUI Galway.
Chief of Staff, Lieutenant General Seán Clancy has passed on his sympathies to his family and friends, adding that "the Air Corps and Óglaigh na hÉireann have lost a fine colleague and...friend".
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