Overview

• Two helicopters collided mid-air on May 17, 2025, in southwestern Finland, killing all five people on board.
• The helicopters were traveling from Tallinn, Estonia, to a Finnish airfield when the collision occurred near Turku.
• Wreckage was discovered in a forested area north of Turku, with the crash site secured for investigation.
• Authorities from Finland and Estonia are collaborating on the investigation, with flight data and eyewitness accounts under review.
• An eyewitness reported that one helicopter made an unexpected movement before the collision; the cause remains undetermined.