ASN Wikibase Occurrence # 381712
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| Date: | Tuesday 14 June 1983 |
| Time: | 15:05 LT |
| Type: |  Bell 206B |
| Owner/operator: | Private |
| Registration: | N5754M |
| MSN: | 3115 |
| Year of manufacture: | 1980 |
| Total airframe hrs: | 730 hours |
| Engine model: | Allison 250-C20B |
| Fatalities: | Fatalities: 0 / Occupants: 5 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Temecula, CA -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Unknown |
| Departure airport: | Temecula, CA |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PLT TOOK OFF ON A DEMONSTRATION FLT TO FAMILIARIZE THE PASSENGERS WITH THE HELICOPTER. HE REPORTED THAT AFTER TAKEOFF, HE PROCEEDED NORTHEAST AT ABOUT 100 TO 150 FT AGL & 80 KTS IN WIND THAT WAS FROM THE WEST AT 25 GUSTING 30 KTS. AFTER TRAVELING ABOUT 3 MI, HE TURNED LEFT TOWARD A WESTERLY DIRECTION, USING APRX A 30 DEG BANK. HE STATED THAT JUST PRIOR TO ROLLING OUT OF THE TURN, THE HELICOPTER STARTED TO RAPIDLY LOSE ALT & THE FORWARD & AFT CYCLIC CONTROL WOULD NOT RESPOND TO HIS IMPUTS. SUBSEQUENTLY, THE HELICOPTER IMPACTED THE GROUND. HE BELIEVED THAT THE WIND HAD SHIFT & THE HELICOPTER MAY HAVE TURNED DOWNWIND & BEGAN SETTING WITH POWER. ACCORDING TO A PASSENGER, WHEN THE HELICOPTER WAS IN THE TURN TO THE WEST, HE FELT A THUMP, THE ACFT BEGAN CLIMBING, THEN WENT INTO A 360 DEG SPIN TO THE RIGHT. NO PREIMPACT/PART FAILURE OR MALFUNCTION WAS FOUND. THE 3 SERVO ACTUATORS WERE TESTED & ALL 3 FUNCTIONED PROPERLY. LOCAL PLTS REPORTED THE WINDS WERE OFTEN UNPREDICTABLE DUE TO ROLLING HILLS IN THE AREA.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB LAX83FA287
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 02-Apr-2024 06:20 | ASN Update Bot | Added |
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