A U.S. built Robinson 44 helicopter crashed into waters in central Denmark, near the eastern coast of Samsoe Island, on September 5.
The authorities believe that the private helicopter was en-route to Samsoe with 4 people aboard when it crashed.
Three dead bodies have so far been recovered from the sea, while the search for the fourth person is underway.
The identities of victims and the information regarding ownership of the helicopter has not yet been released.
The cause of crash is under investigation.