ASN Wikibase Occurrence # 36794
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| Date: | Wednesday 10 October 1984 |
| Time: | 10:22 |
| Type: |  Bell 206B JetRanger |
| Owner/operator: | Uco Air |
| Registration: | N3U |
| MSN: | 2863 |
| Total airframe hrs: | 798 hours |
| Engine model: | ALLISON 250-C20 |
| Fatalities: | Fatalities: 3 / Occupants: 3 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Riverside, CA -
 United States of America
|
| Phase: | En route |
| Nature: | Executive |
| Departure airport: | Fullerton, CA (FUL) |
| Big Bear City, CA (L35) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE ACFT DEPARTED FULLERTON, CA (ELEV 96') AT O958 PDT ON A FLT TO BIG BEAR, CA (ELEV 6750'). THERE WAS NO RECORD OF THE PLT OBTAINING A WX BRIEFING. AT APRX 1015, A WITNESS HEARD THE HELICOPTER CIRCLING ABOVE THE BOTTOM OF 'AN EARLY MORNING FOG HANGING OVER THE GROUND AT APRX 300 FT.' AFTER CIRCLING ABOUT 3 TO 5 MIN, THE HELICOPTER BEGAN TO FLY SOUTH WHEN IT SUDDENLY WAS OBSERVED FLYING OUT OF THE FOG AT A STEEP ANGLE TOWARD THE GROUND. IT WAS ANGLED NOSE DOWN WITH A SLIGHT ROLL TO THE LEFT. SUBSEQUENTLY, THE HELICOPTER CRASHED IN A TAIL LOW, LEFT BANK ATTITUDE. THE ENG WAS REPORTED TO BE OPERATING AT A HI POWER SETTING UNTIL THE HELICPOTER CRASHED & BURNED. NO PREIMPACT PART FAILURE OR MALFUNCTION WAS FOUND. THERE WAS EVIDENCE OF LOW ROTOR RPM, THAT THE CYCLIC CONTROL WAS FULL AFT & THAT THE COLLECTIVE WAS FULL DOWN AT IMPACT. APRX 4 MI EAST, THE 1019 WX WAS, IN PART: SKY PARTIALLY OBSCURED, 1000' OVERCAST, VISIBILITY 3/4 MI WITH FOG. CAUSE:
Sources:
NTSB: https://www.ntsb.gov/ntsb/brief.asp?ev_id=20001214X41423
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:23 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
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