ASN Wikibase Occurrence # 264823
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| Date: | Tuesday 8 December 2020 |
| Time: | |
| Type: |  Boeing 777-9 |
| Owner/operator: | Boeing |
| Registration: | N779XX |
| MSN: | 64241/1574 |
| Fatalities: | Fatalities: 0 / Occupants: |
| Aircraft damage: | None |
| Location: | off Coos Bay, OR ? -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Test |
| Departure airport: | Spokane International Airport, WA (GEG/KGEG) |
| Seattle-Boeing Field International Airport, WA (BFI/KBFI) | |
| Confidence Rating: |  Information is only available from news, social media or unofficial sources |
The second Boeing 777-9 prototype suffered a serious flight control incident during a test flight on December 8, 2020, when the plane experienced an uncommanded pitch event.
On the reported incident date the aircraft flew from Seattle-Boeing Field to Spokane and back. ADS-B flight tracking data does not show any data suggesting a pitch event took place. On the second leg the flight maneuvered for almost 50 minutes off the Oregon coast, showing changing altitude and speed ADS-B data, indicative of test flight maneuvering.
Sources:
https://www.seattletimes.com/business/boeing-aerospace/citing-a-serious-flight-test-incident-and-lack-of-design-maturity-faa-slows-boeing-777x-certification
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 28-Jun-2021 08:38 | harro | Added |
| 28-Jun-2021 08:44 | harro | Updated [Narrative] |
Corrections or additions? ... Edit this accident description
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