ASN Wikibase Occurrence # 370081
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Date: | Friday 5 August 1988 |
Time: | 20:14 LT |
Type: | Bell 47J |
Owner/operator: | Chester Ruminer |
Registration: | N2838B |
MSN: | 1434 |
Year of manufacture: | 1981 |
Total airframe hrs: | 11760 hours |
Engine model: | LYCOMING VO-435 |
Fatalities: | Fatalities: 0 / Occupants: 1 |
Aircraft damage: | Substantial |
Category: | Accident |
Location: | Dowagiac, MI -
United States of America
|
Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
Nature: | Private |
Departure airport: | |
Destination airport: | |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:THE PRIVATE PILOT WITH AN AIRPLANE SINGLE ENGINE LAND RATING WAS REPORTED TO BE ON HIS FIRST SELF-FAMILIARIZATION FLIGHT IN THIS MAKE & MODEL OF HELICOPTER. HE REPORTED THAT AFTER TAKING OFF, HE FLEW ABOUT 1/2 MILE & STARTED A TURN, THEN THE ENGINE BEGAN LOSING POWER. SUBSEQUENTLY, THE HELICOPTER SETTLED INTO TREES AND WAS DAMAGED. THERE WERE INDICATIONS THAT THE ENGINE WAS STILL PROVIDING POWER AS THE MAIN ROTOR BLADES CONTACTED SMALL TREES DURING THE LANDING. AN INVESTIGATION REVEALED THE LAST ANNUAL INSPECTION WAS DATED 8/22/85. RAT NEST MATERIAL WAS FOUND IN THE AIR FILTER IN SUFFICIENT QUANTITY TO ALMOST COMPLETELY BLOCK THE FLOW OF AIR. ALSO, THE PILOT'S LAST MEDICAL CERTIFICATE WAS DATED 1/2/86. AUTO FUEL WAS FOUND IN THE FUEL TANKS & CARBURETOR.
Probable Cause: FAILURE TO MAINTIAN ADEQUATE ROTOR RPM BY THE UNQUALIFIED PILOT.
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | CHI88DET05 |
Status: | Investigation completed |
Duration: | 1 year and 5 months |
Download report: | Final report |
|
Sources:
NTSB CHI88DET05
Location
Revision history:
Date/time | Contributor | Updates |
25-Mar-2024 06:35 |
ASN Update Bot |
Added |
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