ASN Wikibase Occurrence # 356954
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| Date: | Tuesday 30 July 1996 |
| Time: | 10:50 LT |
| Type: |  Bell 47D1G |
| Owner/operator: | Private |
| Registration: | N1200Z |
| MSN: | 0100 |
| Total airframe hrs: | 9658 hours |
| Engine model: | Franklin 6V-335 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | West Boca Raton, FL -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Unknown |
| Departure airport: | Delray Beach, FL (3X1) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
While orbiting over a residential area about 150-200 feet above ground level, during an aerial photography flight, the engine experienced a loss of power. The pilot initiated an emergency descent for an autorotative landing to a road but the main rotor blades collided with trees resulting in a hard landing. The pilot stated that he did not apply carburetor heat or check the magnetos following the loss of engine power. Examination of the helicopter revealed sufficient fuel quantity to sustain engine operation; no contaminants were found. Examination of the engine revealed no evidence of preimpact failure or malfunction. Review of a carburetor icing probability chart revealed conditions were favorable for light icing at cruise or descent power.
Probable Cause: Failure of the pilot to apply carburetor heat following a loss of engine power due to inadequate altitude over a populated area. Contributing to the accident was the encounter with conditions favorable for carburetor icing.
Accident investigation:
 |
|
Sources:
NTSB MIA96LA197
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 13-Mar-2024 12:40 | ASN Update Bot | Added |
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