Two men died in the collision earlier this week, including a Dublin man.
The helicopter which crashed in Westmeath on Tuesday, has been removed from the scene.
The aircraft had been embedded in a warehouse on a pigfarm in Killucan.
Two people died in the collision, Dublin's Niall Crosby, and Antonin Kabelka, who is Eastern European.
The Air Accident Investigation Unit says, following a complex and challenging recovery operation, the wreckage has been transported to an examination facility at Gormanstown in Meath.
It also says a preliminary report on the crash will be published by the end of the month.
Following a complex and challenging recovery operation, the helicopter involved in the fatal accident at Killucan Co. Westmeath yesterday has been removed from the farm warehouse, and is now being transported to the wreckage examination facility at Gormanston Co. Meath.
— AAIU IRELAND (@aaiu_ireland) July 31, 2024
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