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  • H25B / AS29, en-route / manoeuvring, near Smith NV USA, 2006 (Synopsis: On 28 August 2006, a Hawker 800 collided with a glider at 16,000 feet in Class 'E' airspace. The glider became uncontrollable and its pilot evacuated by parachute. The Hawker was structurally damaged and one engine stopped but it was recovered to a nearby airport. The Investigation noted that the collision had occurred in an area well known for glider activity in which transport aircraft frequently avoided glider collisions using ATC traffic information or by following TCAS RAs. The glider was being flown by a visitor to the area with its transponder intentionally switched off to conserve battery power.)
  • PC12, vicinity Meekatharra WA Australia, 2016 (Synopsis: On 18 June 2016, a PC12 crew experienced a sudden corruption of the SVS image on their PFDs soon after a night take-off and the Pilot Flying initially reacted by increasing pitch in response to the false image which had obscured the primary flight path symbology on the PFD. Recovery was achieved before the resulting airspeed drop had activated the Stall Protection System by the pilots transferring their attention to the Standby Instrument Display. The Investigation noted that the SVS was not certified for primary flight path control but that the failure had created temporary spatial disorientation.)