ASN Wikibase Occurrence # 288214
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| Date: | Wednesday 11 August 2010 |
| Time: | 06:15 LT |
| Type: |  Grumman G-164B |
| Owner/operator: | Trinkle Ag Flying Inc. |
| Registration: | N6781K |
| MSN: | 472B |
| Year of manufacture: | 1978 |
| Total airframe hrs: | 15000 hours |
| Engine model: | Pratt & Whitney R-1340 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Tracy, California -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Agricultural |
| Departure airport: | Tracy, CA |
| Tracy, CA | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
During an aerial application flight, the pilot heard a loud bang, which was followed by a loss of engine power and shaking. During the forced landing to a wet field, the pilot activated the left brake to intentionally ground-loop the airplane; however, it did not respond. The airplane continued its forward movement until it struck a fence at the end of the field and came to rest inverted. During the postaccident engine examination, it was discovered that the connecting links for all but the No. 7 cylinder were broken and the master rod was sheared. Due to the extent of internal damage, it could not be determined if the master rod or the connecting link had failed first.
Probable Cause: A total loss of engine power while maneuvering due to an internal catastrophic failure to the master rod and piston connecting rod links.
Accident investigation:
 |
|
Sources:
NTSB WPR10LA396
History of this aircraft
Other occurrences involving this aircraft
| 2 July 2016 | N6781K | Air Enterprises LLC | 0 | Sussex County, east of Laurel, DE | |
sub |
| Bird strike | ||||||
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 04-Oct-2022 19:40 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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