ASN Wikibase Occurrence # 289420
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| Date: | Tuesday 5 April 2011 |
| Time: | 09:21 LT |
| Type: |  Cessna 177RG |
| Owner/operator: | |
| Registration: | N2637V |
| MSN: | 177RG0637 |
| Total airframe hrs: | 5677 hours |
| Engine model: | Lycoming IO-360-A1B6D |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Gila Bend, Arizona -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Ramona Airport, CA (KRNM) |
| Fort Huachuca/Sierra Vista Municipal Airport, AZ (FHU/KFHU) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot reported that during cruise flight he heard a loud noise from the engine compartment followed by an immediate loss of engine power. The pilot attempted to restart the engine with no success while diverting to the nearest airport. Upon realizing that he would be unable to reach the airport, he decided to land on an interstate highway. As he approached the highway, the pilot observed heavy traffic and decided to land on an adjacent service road. During the landing roll, the left wing struck a tree and the airplane ground looped, resulting in structural damage to both wings. A postaccident examination of the engine revealed that both sets of magneto points were not opening. Inspection of the single-drive dual magneto found that the cam followers on both sets of points were worn to the point that they could no longer open the contacts. The magneto had accumulated 603.7 hours at the time of the accident since installation and 92.56 hours since the most recent magneto timing adjustment. No further anomalies were noted during the examination of the engine that would have precluded normal operation.
Probable Cause: A total loss of engine power during cruise flight due to both sets of magneto points failing to open as a result of excessive wear of the magneto cam followers.
Accident investigation:
 |
|
Sources:
NTSB WPR11FA186
History of this aircraft
Other occurrences involving this aircraft
| 26 September 1985 | N2637V | Larry Feaster & David Fearis | 0 | Ennis, TX | |
sub |
| 6 June 1999 | N2637V | Private | 0 | Cheyenne, WY | |
sub |
| Fuel exhaustion | ||||||
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 05-Oct-2022 13:36 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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