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

• Bell 407 (N120HH), engine failure and autorotation, Long Marston, Warwickshire, 24 June 2020
• Robinson R44 II (G-OPDG), loss of rotor rpm when landing, Maghera, County Londonderry, 22 July 2021
• Rotorway Executive 162F (G-OHOV), power loss followed by rollover on landing, Street Farm, Takeley, Essex, 30 March 2021