ASN Wikibase Occurrence # 157257
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| Date: | Tuesday 25 June 2013 |
| Time: | 16:45 |
| Type: |  Glasair GlaStar |
| Owner/operator: | Private |
| Registration: | N103A |
| MSN: | 5328 |
| Total airframe hrs: | 453 hours |
| Engine model: | Lycoming O-360 SERIES |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Shoal Lake, NW of Grand Rapids, MN -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | Grand Rapids, MN (GPZ) |
| Grand Rapids, MN | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
Prior to takeoff from the airport pond, the pilot performed a few high-speed taxi and on-the-step maneuvers with no anomalies noted. After the flight and during the short flight to the intended landing area, the pilot heard two to three aural “autopilot disconnect” voice messages. Because the pilot believed he did not engage the autopilot during the flight, he was uncertain why he was hearing the autopilot disconnect messages and was not overly concerned. During the landing, after the floats contacted the water, the airplane's right wing immediately lifted up, and the left wing tip contacted the water. Subsequently, the airplane nosed over. The pilot reported the weather at the time of the accident as ideal for flying; sky clear and a steady 5-knot wind. Data extracted from the avionics units showed 9 autopilot engagements during the flight; however, the data did not show what caused the inadvertent engagements. It is likely the autopilot engaged during the attempted landing and caused the loss of directional control, but the reason for the autopilot engagement was not determined due to damage to the avionics system caused by water exposure and recovery damage.
Probable Cause: The loss of directional control during landing because the autopilot engaged for undetermined reasons because water and recovery damage precluded detailed examination of system components.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 26-Jun-2013 21:03 | Geno | Added |
| 03-Jul-2013 07:35 | Geno | Updated [Time, Aircraft type, Registration, Cn, Phase, Departure airport, Destination airport, Source, Damage, Narrative] |
| 21-Dec-2016 19:28 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 29-Nov-2017 08:46 | ASN Update Bot | Updated [Other fatalities, Nature, Departure airport, Destination airport, Source, Narrative] |
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