EASA 2018-0230

Superseded but retains the requirements of EASA AD 2017-0146, which mandated temporary revisions to the rotorcraft flight manual introducing a minimum airspeed limitation for the autopilot cruise height (CRHT) mode. New AD requires updating the aircraft management computer software. Prompted by two reported occurrences of uncommanded helicopter climb/descent following activation of autopilot CRHT mode concurrently with ground trajectory command in hover mode engaged.