ASN Wikibase Occurrence # 380334
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| Date: | Wednesday 21 December 1983 |
| Time: | 14:25 LT |
| Type: |  Bell 47G |
| Owner/operator: | Private |
| Registration: | N4475 |
| MSN: | 5503 |
| Year of manufacture: | 1969 |
| Total airframe hrs: | 4124 hours |
| Engine model: | Franklin 6V4-200-C32 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | El Cajon, CA -
 United States of America
|
| Phase: | Landing |
| Nature: | Training |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
DURING A DEMONSTRATION TO SHOW HIS STUDENT HOW TO AUTOROTATE FM A 2 FT HEIGHT AGL THE INSTRUCTOR REDUCED PWR AND INADVERTENTLY APPLIED FWD CYCLIC. THE FRONT PORTION OF THE SKIDS HIT THE GD FOLLOWED BY THE MAIN ROTOR BLADES. HELICOPTER THEN ROCKED BACKWARDS, THE REAR PORTION OF THE SKIDS IMPACTED THE GD AND THE MAIN ROTOR BLADES SLICED THROUGH THE TAILBOOM.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB LAX84LA108
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 01-Apr-2024 15:27 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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