ASN Wikibase Occurrence # 144159
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| Date: | Tuesday 17 May 2005 |
| Time: | 10:13 |
| Type: |  Rand Robinson KR-2 |
| Owner/operator: | Private |
| Registration: | N1701L |
| MSN: | 4176 |
| Total airframe hrs: | 226 hours |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Georgia Hwy 15, 6 miles east of Vienna, GA -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | Marietta, GA (RYY) |
| Valdosta, GA (VLD) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
While flying at 3,500 feet the pilot noticed that the engine was losing power and vibrating. The pilot stated that he shut the engine off and decided to make an emergency landing. The pilot first attempted to make it to a crop duster airstrip, but could not, and decided to attempt a landing on the highway. The airplane landed on a westerly heading, veered off the highway, hit an embankment and rotated 180-degrees to the left and came to rest on an easterly heading. Examination of the engine revealed the crankshaft was broken just behind the front main bearing before the crankshaft exits the engine and attaches to the propeller. The post-accident examination revealed that the crankshaft had an extension between it and the propeller in order for it to clear the cowling. Maintenance records showed that on May 3, 2005, the propeller extension was found to be out of true and the shaft, propeller and spinner combination were balanced. At the accident site, it was observed that washers were affixed to the back of the propeller spinner and the propeller spinner contained voids in the fiberglass. It was also noted that the crankshaft broke approximately 8.2 hours after the shaft, propeller and spinner combination were balanced.
Probable Cause: A loss of engine power due to the owner/pilot mechanic's improper balancing of the modification to engine crankshaft which resulted in an overload failure.
Accident investigation:
 |
|
Sources:
NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20050616X00780&key=1
History of this aircraft
Other occurrences involving this aircraft
| 1 March 2012 | N1701L | Private | 0 | Boca Raton Airport - KBCT, FL | |
sub |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 01-Mar-2012 16:27 | Geno | Added |
| 21-Dec-2016 19:26 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 06-Dec-2017 08:13 | ASN Update Bot | Updated [Departure airport, Destination airport, Source, Narrative] |
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