ASN Wikibase Occurrence # 196596
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Date: | Saturday 8 July 2017 |
Time: | 14:53 |
Type: | Air Tractor AT-602 |
Owner/operator: | Quad Rabbit Inc |
Registration: | N4257R |
MSN: | 602-1146 |
Year of manufacture: | 2006 |
Engine model: | Pratt & Whitney Canada PT6A-60AG |
Fatalities: | Fatalities: 1 / Occupants: 1 |
Aircraft damage: | Destroyed |
Category: | Accident |
Location: | Craighead County, Cash, AR -
United States of America
|
Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
Nature: | Agricultural |
Departure airport: | Cash, AR (PRI) |
Destination airport: | Cash, AR (PRI) |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:The commercial pilot was conducting his sixth agricultural load application of the day. Witnesses observed the airplane make a low-altitude turn and subsequently enter a spin with a nose-low attitude . The airplane subsequently impacted a rice field adjacent to the field being treated.
Postaccident examination of the airframe, engine, and propeller revealed no evidence of any preimpact mechanical malfunctions or anomalies that would have precluded normal operation.
The pilot's autopsy revealed that he had severe coronary artery disease with evidence of associated heart muscle injury. No evidence was found indicating that the pilot was aware of his health issues. The coronary artery disease increased the pilot's risk of a cardiac event, which would have resulted in shortness of breath, dizziness, lightheadedness, or an irregular heart rhythm (arrhythmia) with decreased cardiac output and loss of consciousness. The combination of the normal stress associated with low-altitude maneuvering and decreased cardiac output likely resulted in a sudden decrease of blood flow to the brain and the pilot's incapacitation, which resulted in his loss of airplane control.
Probable Cause: The pilot's incapacitation due to a cardiac event, which resulted in a loss of airplane control.
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | CEN17FA259 |
Status: | Investigation completed |
Duration: | 1 year and 8 months |
Download report: | Final report |
|
Sources:
NTSB
FAA register:
http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=4257R
History of this aircraft
Other occurrences involving this aircraft
14 June 2010 |
N4257R |
Reynolds Flying Service Inc |
0 |
Penrose, Arkansas |
|
sub |
Location
Revision history:
Date/time | Contributor | Updates |
09-Jul-2017 21:29 |
Geno |
Added |
22-Mar-2019 19:10 |
ASN Update Bot |
Updated [Time, Departure airport, Destination airport, Source, Damage, Narrative, Accident report, ] |
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