ASN Wikibase Occurrence # 216249
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| Date: | Friday 12 October 2018 |
| Time: | 18:45 |
| Type: |  Cessna TTx T240 |
| Owner/operator: | Raymond Aviation LLC |
| Registration: | N433CS |
| MSN: | T240-02033 |
| Engine model: | Continental TSIO-550-C |
| Fatalities: | Fatalities: 2 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | East of Payson Airport (KPAN), Payson, AZ -
 United States of America
|
| Phase: | Approach |
| Nature: | Private |
| Departure airport: | Glendale Municipal Airport, AZ (KGEU) |
| Payson Airport, AZ (PJB/KPAN) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot was approaching the airport for landing around dusk in visual meteorological conditions at the conclusion of a cross-country flight. Radar data depicted the airplane at 589 ft above ground level on a downwind leg for the runway at a groundspeed of 108 knots. The airplane then entered a right turn; however, rather than aligning with the runway on a final approach leg, the airplane continued the turn through 360° and continued on an extended downwind before entering another right turn. The airplane’s altitude and groundspeed was fluctuating throughout these maneuvers. Radar contact was lost near the accident site about 1 nautical mile from the end of the runway.
The airplane impacted the ground in a vertical, nose-down attitude consistent with an aerodynamic stall/spin. Damage signatures indicated that the engine was producing power at the time of the accident, and examination of the airframe and engine revealed no anomalies that would have precluded normal operation.
Analysis of the radar data revealed that the radius of the airplane's final turn was about 700 ft, which would have required a bank angle of about 50° based on the airplane's approximate speed. The data are consistent with the pilot's failure to compensate for the increased load factor during the turn and a subsequent exceedance of the airplane's critical angle of attack, which resulted in a stall/spin from which the pilot was unable to recover given the airplane's low altitude.
Probable Cause
The pilot's exceedance of the airplane's critical angle of attack while maneuvering for landing, which resulted in an aerodynamic stall/spin and a subsequent loss of control.
Accident investigation:
 |
|
Sources:
https://www.abc15.com/news/region-northern-az/payson/small-plane-crashes-into-payson-home-investigation-underway
https://eu.azcentral.com/story/news/local/arizona/2018/10/13/small-single-engine-plane-crashes-into-payson-home-saturday/1638198002/
https://www.paysonroundup.com/news/local/plane-crashes-into-payson-home-killing-one/article_02907fa1-280b-52b9-8068-e8e5c8a29fe9.html
http://ktar.com/story/2256846/victims-identified-after-small-plane-crashes-into-payson-home/
_______________________
https://flightaware.com/live/flight/N433CS/history/20181014/0113Z/KGEU/KPAN/tracklog
https://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=433CS
https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/98470/pdf
Location
Images:
Media:
NTSB investigating crash Saturday of a Cessna T240 in Payson, AZ.
— NTSB_Newsroom (@NTSB_Newsroom) 14 octobre 2018
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 14-Oct-2018 11:06 | Iceman 29 | Added |
| 14-Oct-2018 13:45 | Geno | Updated [Time, Total fatalities, Location, Source, Narrative] |
| 14-Oct-2018 14:00 | Iceman 29 | Updated [Aircraft type, Embed code] |
| 14-Oct-2018 14:13 | harro | Updated [Registration, Cn, Operator, Phase, Nature, Departure airport, Source, Embed code] |
| 14-Oct-2018 14:19 | Iceman 29 | Updated [Source, Embed code, Photo] |
| 14-Oct-2018 14:34 | Iceman 29 | Updated [Destination airport, Embed code] |
| 15-Oct-2018 18:53 | Anon. | Updated [Total fatalities, Total occupants, Source, Narrative] |
| 16-Oct-2018 04:31 | Iceman 29 | Updated [Phase, Source, Narrative] |
| 18-Apr-2022 13:18 | aaronwk | Updated [Date, Time, Nature, Destination airport, Source, Narrative] |
| 18-Apr-2022 13:19 | harro | Updated [Narrative, Accident report] |
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