ASN Wikibase Occurrence # 380348
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| Date: | Sunday 18 December 1983 |
| Time: | 12:25 LT |
| Type: |  Bell 47G-3B1 |
| Owner/operator: | Scenic Rotors, Inc. |
| Registration: | N48316 |
| MSN: | 3628 |
| Year of manufacture: | 1966 |
| Total airframe hrs: | 5681 hours |
| Engine model: | Lycoming VO-435-A1F |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Dummerston, VT -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Private |
| Departure airport: | Westbrattleboro, VT |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PLT INITIATED A PRACTICE AUTOROTATION FROM ABOUT 600 FT AGL. AIRSPEED WAS ABOUT 55 KTS WITH LOW M/R RPM DUE TO LOW GROSS WEIGHT. A MODERATE FLARE WAS INITIATED IN AN EFFORT TO INCREASE ROTOR RPM, REDUCING THE AIRSPEED TO 40 KTS. HOWEVER, THE APPLICATION OF COLLECTIVE FAILED TO ARREST THE DESCENT RATE & THE T/R STRUCK THE GROUND CAUSING THE HELICOPTER TO VIBRATE. WHEN THE T/R STRUCK, ABOUT 6 INCHES OF ONE TIP BROKE CAUSING MORE VIBRATION. THE PLT ATTEMPTED TOLAND THE HELICOPTER, BUT DRIVE TO THE T/R CEASED TO RESPOND, & THE HELICOPTER YAWED TO THE RIGHT. THE LEFT SKID STRUCK THE GROUND & COLLAPSED, & THE MAST ASSEMBLY WAS PROJECTED THROUGH THE CANOPY BUBBLE.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB NYC84LA055
History of this aircraft
Other occurrences involving this aircraft
| 10 July 1995 | N48316 | Atlantic Blueberry Company | 1 | Hammonton, NJ | |
w/o |
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 01-Apr-2024 15:34 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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