ASN Wikibase Occurrence # 36288
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| Date: | Tuesday 23 August 1988 |
| Time: | 20:58 |
| Type: |  Mooney M20J |
| Owner/operator: | Flightworks Aviation |
| Registration: | N5769Y |
| MSN: | 24-1496 |
| Total airframe hrs: | 1632 hours |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Inyokern, CA -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Van Nuys, CA (VNY) |
| Mammoth, CA (MMH) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
WEATHER REPORTS FROM A NEARBY AIRPORT AND WITNESS OBSERVATIONS INDICATE THAT A LEVEL 4 THUNDERSTORMS WAS NEAR THE ACCIDENT SITE AS THE ACFT APPROACHED. THE PLT DID NOT OBTAIN A PREFLT WX BRIEFING FOR THIS NIGHT VFR CROSS COUNTRY. THE WX INFORMATION AVAILABLE AT THE TIME HE DEPARTED CLEARLY NOTED THE THUNDERSTORM WITH HEAVY RAIN AND LIGHTENING PRESENT ON HIS ROUTE. RADAR DATA SHOWED THE ACFT TRACKING ALONG A HIGHWAY WITH THE MODE C REPORTING ERRATIC ALTITUDE JUMPS. THE RADAR DATA SHOWED THE ACFT TURN RIGHT TIGHTLY AND DESCEND AT A RAPID RATE. EVIDENCE AT THE SITE SHOWED THE ACFT CONTACTED THE GROUND IN A 60 DEGREE RIGHT BANK TURN WITH THE NOSE DOWN AT ABOUT 40 DEGREES AND AT A HIGH RATE OF SPEED. THE PLT WAS NOT CURRENT FOR NIGHT flight. CAUSE: PILOTS INFLIGHT LOSS OF CONTROL AFTER ENCOUNTERING A LEVEL FOUR THUNDERSTORM ON A NIGHT VFR CROSS COUNTRY. CONTRIBUTING TO THE ACCIDENT WAS THE PILOT'S FAILURE TO OBTAIN A PREFLIGHT WEATHER BRIEFING.
Sources:
NTSB: https://www.ntsb.gov/ntsb/brief.asp?ev_id=20001213X26590
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] |
Corrections or additions? ... Edit this accident description
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