ASN Wikibase Occurrence # 269101
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| Date: | Wednesday 20 October 2021 |
| Time: | 11:00 |
| Type: |  Cessna 150L |
| Owner/operator: | Trinity Flyers |
| Registration: | N5268Q |
| MSN: | 15073168 |
| Year of manufacture: | 1972 |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | near Dunsmuir, CA -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Ashland Municipal Airport-Sumner Parker Field, OR (S03) |
| Haigh Field Airport, CA (O37) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
On October 20, 2021, about 1100 Pacific daylight time, a Cessna 150L, N5268Q, was substantially damaged when it was involved in an accident near Dunsmuir, California. The pilot was fatally injured. The airplane was operated as a Title 14 Code of Federal Regulations Part 91 personal flight.
The non-certificated pilot departed on a cross-country flight that required multiple fuel stops. The weather forecast called for clouds near the accident site. During the fuel stops, the pilot recharged the battery and, at one instance, refused assistance from witnesses to find and replace his alternator. Witnesses stated that he sparingly used the battery power for takeoff and landing and continued his cross-country flight with a known inoperable alternator. Postaccident examination of the cockpit revealed that the master switch was in the OFF position. With the master switch in the OFF position, the electrical system was not powered, and the airplane was not able to transmit its aircraft positions over its automatic dependent surveillance-broadcast (ADS-B) system. The field examination of the airplane wreckage did not reveal any mechanical malfunctions or failures that would have precluded normal operation.
A witness near the top of the mountain reported that clouds and fog were present and provided a visibility of about 200 ft. He added that, about the time of the accident, he heard a low-flying airplane and was able to distinguish noise consistent with a running engine but did not hear the airplane’s impact with terrain. He further reported that the fog was present for most of the morning, lasting through the early afternoon.
The pilot was likely flying the airplane low over the interstate to stay out of the clouds. He then likely entered instrument meteorological conditions as the airplane approached the mountain valley and turned back towards the departure airport before impacting trees in a wings-level attitude. No record was found indicating that the pilot received a preflight weather briefing; however, it could not be determined if the pilot obtained weather information using other sources.
The pilot’s toxicology results indicate that he may have been experiencing impairing effects of diphenhydramine, such as sedation, at the time of the crash, and may also have been experiencing mild symptoms of uncontrolled diabetes, such as fatigue or blurry vision. However, the pilot’s decision to attempt the risky flight is unlikely to have been directly affected by these medical factors. Thus, given that the airplane was in controlled flight at the time of its collision with visually obscured terrain, there is low likelihood that the pilot’s diphenhydramine use or uncontrolled diabetes contributed to the crash.
Probable Cause: The non-certificated pilot’s improper decision to continue the flight under visual flight rules into instrument meteorological conditions which resulted in controlled flight into terrain.
Accident investigation:
 |
|
Sources:
https://www.google.com/amp/s/fox40.com/news/local-news/small-plane-goes-missing-on-flight-from-oregon-to-airport-near-chico/amp/
https://www.facebook.com/196559670370130/posts/7097798843579477/
https://www.mailtribune.com/happening-now/2021/10/22/pilot-plane-reported-missing-in-northern-california/
https://kobi5.com/news/man-claims-to-have-found-missing-plane-siskiyou-county-sheriffs-office-says-171443/
https://data.ntsb.gov/Docket?ProjectID=104148
https://registry.faa.gov/aircraftinquiry/Search/NNumberResult
Location
Images:
Photo: NTSB
Media:
The NTSB is investigating the crash Thursday of a Cessna 150L in Dunsmuir, California. Wreckage located Friday.
— NTSB_Newsroom (@NTSB_Newsroom) October 22, 2021
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 21-Oct-2021 21:12 | Captain Adam | Added |
| 22-Oct-2021 06:58 | Captain Adam | Updated [Aircraft type, Registration, Cn, Operator, Source] |
| 22-Oct-2021 19:49 | Captain Adam | Updated [Total fatalities, Other fatalities, Location, Source, Embed code, Narrative] |
| 23-Oct-2021 05:07 | Geno | Updated [Date, Time, Location, Source, Embed code, Damage] |
| 23-Oct-2021 05:08 | Geno | Updated [Location] |
| 18-Nov-2021 20:16 | aaronwk | Updated [Time, Location, Departure airport, Damage, Narrative, Category] |
| 14-Jul-2022 13:56 | Captain Adam | Updated [Narrative] |
| 01-Dec-2023 13:42 | Captain Adam | Updated [Departure airport, Source, Narrative, Accident report, Photo] |
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