ASN Wikibase Occurrence # 78821
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| Date: | Thursday 21 October 2010 |
| Time: | 14:15 |
| Type: |  Beechcraft B55 Baron |
| Owner/operator: | Private |
| Registration: | N784CB |
| MSN: | TC-977 |
| Total airframe hrs: | 8854 hours |
| Engine model: | Continental IO-470 |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | near Clarion Airport, Clarion, IA -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Cazombo Airport (CAV/FNCZ) |
| Cazombo Airport (CAV/FNCZ) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
A witness reported seeing the airplane suddenly enter a counterclockwise spinning dive toward the ground, make about four revolutions, and then impact the ground. A postaccident examination of the airplane revealed significant damage to the cockpit area, including the instrument panel and the area containing the engine controls. The left engine magneto switch was found positioned so that only one magneto of the dual magneto ignition system was active, the left propeller control was in an aft position, and the fuel flow indicator for the left engine showed no fuel flow. The most recent annual inspection of the airplane was performed more than 3 years before the accident; however, no preimpact anomalies were found during the postaccident examinations. Based on the counterclockwise rotation of the airplane, and the position of the engine levers, the pilot failed to maintain control of the airplane following an undetermined anomaly with the left engine.
Probable Cause: The pilot's failure to maintain control of the airplane. Contributing to the accident was the loss of left engine power for undetermined reasons.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 22-Oct-2010 10:07 | slowkid | Added |
| 22-Oct-2010 10:22 | slowkid | Updated [Source, Narrative] |
| 21-Dec-2016 19:25 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 26-Nov-2017 18:35 | ASN Update Bot | Updated [Other fatalities, Departure airport, Destination airport, Source, Narrative] |
| 08-Jun-2023 08:53 | Ron Averes | Updated [[Other fatalities, Departure airport, Destination airport, Source, Narrative]] |
Corrections or additions? ... Edit this accident description
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