Authorities are investigating how two crashes happened in two days in the East of England.
It is unclear why the civilian-contracted plane was at the radar site on Alaska's south-west coast.
Ketan Swali and Sheetal Swali from Leicestershire were pronounced dead at the scene in Gwynedd.
There are plans to rebuild the aircraft to airworthy condition.
Sheetal Swali and Ketan Swali from Leicester were flying to Caernarfon Airport.
The newlyweds, named as Alexander Cromie and Marie Ebert, were killed alongside their Greek pilot.
They have been named as newlyweds Alexander Cromie and Marie Ebert, who were in Greece on their honeymoon.
A preliminary report by US investigators says an engine fan blade broke on last month's flight from Greece to Germany.
Essex Police is considering whether any crime was committed in the crash, a coroner says.