ASN Wikibase Occurrence # 366989
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| Date: | Sunday 13 May 1990 |
| Time: | 10:00 LT |
| Type: |  Bell 47D |
| Owner/operator: | Private |
| Registration: | N4229A |
| MSN: | 001 |
| Year of manufacture: | 1961 |
| Total airframe hrs: | 2514 hours |
| Engine model: | FRANKLIN 6V4-335 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Baltimore, MD -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PLT WAS PRACTICING LANDINGS WHEN THE ACCIDENT OCCURRED. HE REPORTED THAT AFTER TOUCH DOWN, AS THE FORWARD MOTION OF THE HELICOPTER SLOWED, HE NOTICED THE HELICOPTER PITCHED SLIGHTLY DOWN. THE PLT STATED HE INSTINCTIVELY APPLIED AFT CYCLIC PRESSURE, CAUSING THE MAIN ROTOR BLADES TO FLEX DOWN AND SEVERE THE TAIL CONE. NO MECHANICAL MALFUNCTION WAS REPORTED.
Probable Cause: THE PILOT APPLIED EXCESSIVE CYCLIC CONTROL, CAUSING THE MAIN ROTOR TO FLEX AND SEVERE THE TAIL CONE.
Accident investigation:
 |
|
Sources:
NTSB BFO90LA042
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 22-Mar-2024 06:24 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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