Crash investigators are preparing to comb the wreckage of the helicopter which came down at Gillingham on the Norfolk/Suffolk border.
The team from Farnborough in Hampshire will carry out a detailed examination of the site to determine what caused the crash which has claimed four lives.
Experts scouring the wreckage of the helicopter crash in Gillingham, Norfolk will begin recovering crash debris today.
Air accident investigators have begun work to find out how a helicopter crashed close to the Norfolk and Suffolk border last night.
Police have closed roads around the scene of last night's helicopter crash at Gillingham near Beccles.