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A C402 captain detected a strange vibration during cruise and elected to divert for a precautionary landing.
| Attributes | |
| ACN | 966393 |
| Time | |
| Date | 201108 |
| Local Time Of Day | 1801-2400 |
| Environment | |
| Flight Conditions | VMC |
| Aircraft 1 | |
| Make Model Name | Cessna 402/402C/B379 Businessliner/Utiliner |
| Flight Phase | Cruise |
| Component | |
| Aircraft Component | Reciprocating Engine Assembly |
| Person 1 | |
| Function | Captain Pilot Flying |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe |
Narrative:
During cruise flight I detected intermittent abnormal engine vibrations and 'skipping'. All other engine indications were normal. I varied engine power/RPM/mixture settings to try to determine the cause of the vibrations as well as which engine was vibrating; but was unsuccessful. As I was near an airport; I elected to make a precautionary landing. The rest of the flight was uneventful.
Original NASA ASRS Text
Title: A C402 Captain detected a strange vibration during cruise and elected to divert for a precautionary landing.
Narrative: During cruise flight I detected intermittent abnormal engine vibrations and 'skipping'. All other engine indications were normal. I varied engine power/RPM/mixture settings to try to determine the cause of the vibrations as well as which engine was vibrating; but was unsuccessful. As I was near an airport; I elected to make a precautionary landing. The rest of the flight was uneventful.
Data retrieved from NASA's ASRS site as of April 2012 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.