ASN Wikibase Occurrence # 40507
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| Date: | Saturday 8 May 1982 |
| Time: | 01:81 |
| Type: |  Moore Bell 47D1 |
| Owner/operator: | Russell Moore |
| Registration: | N45867 |
| MSN: | H277 |
| Total airframe hrs: | 17 hours |
| Engine model: | FRANKLIN O-335-5D |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Amagon, AR -
 United States of America
|
| Phase: | Landing |
| Nature: | Unknown |
| Departure airport: | Amagon, AR |
| Amagon, AR | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PURPOSE OF THE FLIGHT WAS TO TEST THE AERIAL SPRAY EQUIPMENT. AFTER STARTING AND WARMING THE ENGINE, THE PILOT TOOK OFF, FLEW ABOUT 1/4 MI SOUTH, THEN FLEW NORTH. A MOTORIST STATED THAT HE SAW BLACK SMOKE COMING FROM THE HELICOPTER. TWO TEEN-AGERS HEARD POPPING SOUNDS, AND REPORTEDLY, THE ENGINE WAS BACKFIRING, STOPPIN AND STARTING. ABOUT 1 MI NORTH OF THE DEPARTURE POINT, THE HELICOPTER IMPACTED AND TRAVELED 82 FT BEFORE STOPPING. AN INVESTIGATION REVEALED THE ENGINE HAD OPERATED ABOUT 17 HRS SINCE A MAJOR OVERHAUL ON 5/20/78. THE LAST REPORTED INSPECTION WAS ON 3/24/82. AN ENGINE TEARDOWN REVEALED HEAVY RUST AND CORROSION IN THE CARBURETOR, EXTREMELY DIRTY AIR CLEANER, OLD AND SEVERELY WORN SPANK PLUGS, MODERATE RUST AND CORROSION IN THE CYLINDER BARRELS, HEAVY DEPOSITS ON THE PISTON HEADS, AND MODERATE SCORING OF THE PISTON SKIRTS. ACCORDING TO THE PILOT'S PARENTS, THE ENGINE WOULD "POP" WHEN IT WAS FIRST STARTED AND THE PILOT HAD THE IDLE SET FASTER THAN NORMAL TO KEEP IT FROM RUNNING ROUGH. CAUSE:
Sources:
NTSB: http://www.ntsb.gov/ntsb/brief.asp?ev_id=20020917X03457
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:23 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
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