It wasn’t confiscated it was totally destroyed
https://www.iomtoday.co.im/news/courts/man-who-flew-drone-near-the-tt-course-spent-a-night-in-the-cells-619479
“Mr Swain pointed out that the regulations regarding drones are published on the Isle of Man Government’s website”
“The advocate said that not many people who went on holiday would look at the laws of the land to which they were visiting”
“Mr Taylor went on to ask for credit to be given for his client’s guilty plea and co-operation with the police, and asked that, if the drone was going to be forfeited, if Shrimpton could have the memory card and battery returned to him, as the card contained pictures of other places he had visited”
“However, magistrates made the order for forfeiture and destruction of the drone, memory card and battery”