ASN Wikibase Occurrence # 36290
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| Date: | Friday 16 June 1995 |
| Time: | 22:30 LT |
| Type: |  Cessna P210N |
| Owner/operator: | William D. Henderson |
| Registration: | N333HF |
| MSN: | P21000598 |
| Total airframe hrs: | 2200 hours |
| Engine model: | Continental TSIO-520-P6 |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Mammoth Lakes, CA -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Long Beach, CA (KLGB) |
| (KMMH) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot had received four weather briefings prior to departing on the cross-country flight between Long Beach and Mammoth, California. The briefer informed the pilot that variable weather conditions existed, including mixed icing in clouds, mountain obscurement, and precipitation. No flight plan was filed for the dark nighttime flight over the high mountainous terrain. Witnesses heard the airplane, with its engine running, collide with trees and terrain near their mountain campground. The accident site was at an approximate elevation of 7,300 feet msl. The witnesses estimated that the ceiling was about 200 feet above ground level, and snowing. The pilot's medical certificate had expired. The FAA declined to issue the pilot another medical certificate because his diabetes was insufficiently controlled.
Probable Cause: the pilot's continued flight into instrument meteorological conditions during dark nighttime over mountainous terrain; and his failure to maintain an adequate altitude to ensure terrain clearance. Thw weather and terrain were factors.
Accident investigation:
 |
|
Sources:
NTSB LAX95FA210
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] |
| 09-Apr-2024 14:31 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative, Category, Accident report] |
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