The monthly bulletin from the Air Accidents Investigation Branch has been released. This month’s issue covers the accident(s) of:-

• AS350 B3e (G-MATH), loss of control during hydraulics-off training, Wycombe Air Park, Buckinghamshire, 5 May 2017

• Robinson R44 (G-CTFL) and Robinson R44 (G-HYND), loss of control to G-CFTL after reversing into G-HYND’s main rotor, Cumbernauld Airport, North Lanarkshire, 5 May 2018