ASN Wikibase Occurrence # 211505
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| Date: | Friday 25 May 2018 |
| Time: | 13:42 |
| Type: |  Beechcraft D17S Staggerwing |
| Owner/operator: | Mid Continent Instrument Company, Inc. |
| Registration: | N79091 |
| MSN: | 1020 |
| Year of manufacture: | 1942 |
| Total airframe hrs: | 4960 hours |
| Engine model: | Pratt & Whitney R-985-AN-14B |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | near Albuquerque, NM -
 United States of America
|
| Phase: | En route |
| Nature: | Executive |
| Departure airport: | Perryton, TX (PYX) |
| Albuquerque, NM (ABQ) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The commercial pilot was conducting a cross-country flight in day visual meteorological conditions. Automatic dependent surveillance-broadcast (ADS-B) track data revealed that most of the flight was flown at a cruise altitude of 10,500 ft mean sea level (msl) on a direct course to the planned destination. About 23 minutes before the accident, the airplane began shallow turns to the right and left of a direct course to the destination, consistent with the pilot making manual course corrections as the airplane continued toward the airport. Similarly, the airplane's altitude began to fluctuate ±100 feet from the target cruise altitude of 10,500 ft msl. About 2.5 minutes before the accident, the airplane entered a descent from 10,500 ft msl. During the final 2 minutes of the flight, the airplane had an average descent rate of 1,375 ft per minute and a ground speed between 99 knots and 121 knots. The final ADS-B return was about 385 ft east-northeast of the accident site at 7,025 ft msl (near ground level), and the ground speed was about 106 knots. At no point during the flight did the pilot declare an emergency with air traffic control or report having any problems. There were no witnesses to the accident.
Examination of the airframe and engine revealed no evidence of preimpact mechanical malfunctions or failures that would have precluded normal operation. The airplane's landing gear and flaps were retracted. The fuel tanks ruptured during impact; however, fuel was observed in fuel lines, the engine-driven fuel pump, and the carburetor. The propeller exhibited damage consistent with the engine operating at the time of impact. Autopsy and toxicology of the pilot revealed no evidence of physiological impairment or incapacitation. The reason for the airplane's descent and impact with terrain could not be determined based on the available information.
Probable Cause: The pilot's failure to maintain clearance from terrain for reasons that could not be determined based on the available information.
Accident investigation:
 |
|
Sources:
NTSB
https://flightaware.com/live/flight/N79091/history/20180525/1756Z/tracklog
FAA register: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?omni=Home-N-Number&nNumberTxt=n79091
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 27-May-2018 11:15 | gerard57 | Added |
| 27-May-2018 19:53 | Charlie | Updated [Registration, Operator, Source, Narrative] |
| 27-May-2018 19:56 | harro | Updated [Aircraft type, Registration, Cn, Narrative] |
| 27-May-2018 19:59 | harro | Updated [Location, Source] |
| 31-May-2018 17:50 | Captain Adam | Updated [Registration, Narrative] |
| 01-Jun-2018 17:09 | Anon. | Updated [Source] |
| 03-Jun-2018 06:52 | Anon. | Updated [Source] |
| 03-Jun-2018 18:51 | Anon. | Updated [Source] |
| 19-Apr-2020 07:04 | ASN Update Bot | Updated [Time, Registration, Operator, Nature, Departure airport, Destination airport, Source, Damage, Narrative, Accident report, ] |
| 19-Feb-2021 17:01 | TB | Updated [Source, Damage, Narrative, Accident report] |
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