ASN Wikibase Occurrence # 35345
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| Date: | Thursday 4 June 1998 |
| Time: | 03:23 LT |
| Type: |  Cessna 172N |
| Owner/operator: | Private |
| Registration: | N6234D |
| MSN: | 17272652 |
| Engine model: | Lycoming O-320-H2AD |
| Fatalities: | Fatalities: 3 / Occupants: 3 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Prindle, WA -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Private |
| Departure airport: | Troutdale, OR (KTTD) |
| Hermiston, OR (S22) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The non-instrument rated pilot took off at 0211 under dark night conditions and encountered ceilings of 1,400 foot broken and 2,200 foot overcast. The radar track showed the aircraft reaching an altitude of 2,000 feet as it entered into a left, descending spiral. The last radar target was within 1/2 mile of the crash site and the distribution of wreckage and tree strikes indicated a steep descent angle. Toxicological test revealed the pilot had blood levels of 0.020 (ug/ml, ug/g) amphetamine, 0.092 (ug/ml, ug/g) methamphetamine, and 0.005 (ug/ml, ug/g) tetrahydrocannabinol (the active substance in marijuana).
Probable Cause: The pilot-in-command's failure to maintain control of the aircraft during attempted flight into instrument meteorological conditions. Factors contributing to the accident were clouds, dark night conditions, spatial disorientation, and drug impairment.
Accident investigation:
 |
|
Sources:
NTSB SEA98FA088
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:22 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 07-Apr-2024 11:05 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Phase, Departure airport, Source, Narrative, Category, Accident report] |
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