ASN Wikibase Occurrence # 45298
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Date: | Thursday 30 January 2003 |
Time: | 19:37 |
Type: | Beechcraft D95A Travel Air |
Owner/operator: | Barnes Aviation |
Registration: | N5639S |
MSN: | TD-658 |
Total airframe hrs: | 4270 hours |
Fatalities: | Fatalities: 2 / Occupants: 2 |
Aircraft damage: | Destroyed |
Category: | Accident |
Location: | LANCASTER, CA -
United States of America
|
Phase: | Approach |
Nature: | Training |
Departure airport: | Lancaster, CA (WJF) |
Destination airport: | |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:The airplane collided with a hangar during a go-around. The flight crew entered the traffic pattern and completed one touch-and-go landing. The crew requested, and the controller cleared them, for a simulated single engine full stop landing on runway 24. The controller thought that the touch-and-go approach and landing was unremarkable and perfectly normal. On the single engine full stop approach, he thought that the airplane made a short approach with the wings rocking back and fourth. The airplane looked like it was low and could possibly land short of the runway. As the airplane approached the end of the runway, it began to veer to the left (from the flight crew's perspective). The controller said it appeared to be headed directly for the control tower as it continued to drift left. The airplane stayed low to the ground and the controller had the impression that the flight crew was attempting to climb. The wing lights were continuously rocking back and fourth as the airplane continued to drift left and it crossed the dirt infield and a taxiway while still airborne. The bank angle then increased sharply to the left, and the airplane disappeared behind some hangars. The controller estimated that the airplane was 1,500 feet from the approach end of the runway when he observed a fireball and alerted rescue crews. The instructor pilot's autopsy noted undiagnosed lung cancer that had metastasized to his brain. The brain showed evidence of severe swelling, with disruption of the normal brain structure. The instructor pilot had been prescribed a pain medication (tramadol), which was found in the instructor pilot's blood at a level consistent with regular use at least at the dose prescribed. The medication is known to increase the risk for seizures, particularly in patients with other potential seizure risks. The effects of the brain swelling and the medication likely produced seizure activity in the instructor which could have significantly interfered with the aircraft controls and made it difficult or impossible for the student to have adequately controlled the aircraft.
Probable Cause: a loss of aircraft control due to the instructor pilot's incapacitation by seizure activity as a result of his undiagnosed cancer, and his use of a medication that can increase seizure risk.
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | LAX03FA078 |
Status: | Investigation completed |
Duration: | |
Download report: | Final report |
|
Sources:
NTSB:
https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20030207X00185&key=1 Location
Revision history:
Date/time | Contributor | Updates |
28-Oct-2008 00:45 |
ASN archive |
Added |
21-Dec-2016 19:24 |
ASN Update Bot |
Updated [Time, Damage, Category, Investigating agency] |
08-Dec-2017 18:00 |
ASN Update Bot |
Updated [Departure airport, Source, Narrative] |
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