 After the crash, Airlines PNG decided to ground its entire fleet of 12 Dash 8s pending investigation.It also quarantined a fuel depot at Lae Nadzab Airport from which the crashed aircraft was refuelled before departing on the accident flight.Following release of the initial accident findings, Airlines PNG added the Beta Lockout mechanism as a modification to all their Dash 8s, preventing the inadvertent selection of Ground Beta in flight.