ASN Wikibase Occurrence # 69322
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| Date: | Wednesday 21 October 2009 |
| Time: | 06:24 |
| Type: |  Piper PA-23-250 Aztec F |
| Owner/operator: | Private |
| Registration: | N62635 |
| MSN: | 27-7654103 |
| Year of manufacture: | 1976 |
| Total airframe hrs: | 5100 hours |
| Engine model: | Lycoming IO-540 SER |
| Fatalities: | Fatalities: 4 / Occupants: 4 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Summerville Airport (KDYB), South Carolina -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Private |
| Departure airport: | Summerville, SC (DYB) |
| Ft. Pierce, FL (FPR) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
During an early morning departure, prior to sunrise, the aircraft impacted trees and terrain immediately after takeoff. Witnesses reported the sound of the engines were loud, although they did not observe the airplane take off. A postaccident examination of the airplane and engines revealed no mechanical discrepancies that would have precluded normal operation. The damage to both propeller assemblies was consistent with impact and fire damage. Although the forward baggage door had a gouge mark, it was not consistent with a baggage door coming in contact with a propeller blade in flight. The circumstances of the accident are potentially consistent with an incapacitating event involving this pilot, particularly, given evidence of coronary artery disease during the postmortem examination, or with spatial disorientation given the circumstances of the flight. The pilot was taking off during dark lighting conditions, over a dark unpopulated area. The absence of external visual cues and the accelerations associated with the takeoff and initial climb could have led to erroneous sensations of the airplane’s attitude which, if not effectively managed by the pilot, could explain the circumstances of the accident. There is insufficient evidence, however, to allow a conclusive determination as to which scenario, if either, actually occurred.
Probable Cause: Flight into terrain for undetermined reasons.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 21-Oct-2009 06:44 | slowkid | Added |
| 21-Oct-2009 08:23 | Geno | Updated |
| 21-Oct-2009 10:16 | RobertMB | Updated |
| 21-Oct-2009 22:34 | slowkid | Updated |
| 23-Oct-2009 11:51 | b777ca | Updated |
| 22-Oct-2011 00:35 | Geno | Updated [Time, Destination airport, Source, Narrative] |
| 21-Dec-2016 19:25 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 02-Dec-2017 17:06 | ASN Update Bot | Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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