ASN Wikibase Occurrence # 176350
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Date: | Friday 9 April 2004 |
Time: | 19:23 |
Type: | Waco ASO |
Owner/operator: | Private |
Registration: | N11253 |
MSN: | 3212 |
Total airframe hrs: | 4407 hours |
Fatalities: | Fatalities: 0 / Occupants: 1 |
Aircraft damage: | Substantial |
Category: | Accident |
Location: | Lexington, KY -
United States of America
|
Phase: | Take off |
Nature: | Private |
Departure airport: | Lexington, KY (LEX) |
Destination airport: | Lexington, KY |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:The pilot initiated his takeoff roll from a runway position where a transport airplane had previously touched down. When the pilot began the takeoff roll, the transport airplane had just cleared the runway. During the takeoff roll, airplane's tail elevation was normal until it "spontaneously" went higher. The pilot lowered the tail; however, it again went higher, and the propeller hit the runway. The pilot again tried to lower the tail, but it went higher still, with a "heavier contact of the propeller," and the airplane then nosed over. The pilot also noted that there "seemed to be some lateral turbulence during the takeoff." At the time of the accident, there was a 3-knot, quartering tailwind. According to FAA Advisory Circular 90-23F, "Aircraft Wake Turbulence," a light quartering tailwind "requires maximum caution." In addition, "Whether or not a warning or information has been given, the pilot is expected to adjust aircraft operations and flight path as necessary to preclude serious wake encounters."
Probable Cause: The pilot's inadequate remedial action to wake turbulence. A factor was the pilot's failure to recognize that the takeoff conditions were conducive to wake turbulence.
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | IAD04CA015 |
Status: | Investigation completed |
Duration: | |
Download report: | Final report |
|
Sources:
NTSB:
https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20040603X00724&key=1 Location
Revision history:
Date/time | Contributor | Updates |
24-May-2015 16:35 |
Noro |
Added |
21-Dec-2016 19:30 |
ASN Update Bot |
Updated [Time, Damage, Category, Investigating agency] |
07-Dec-2017 17:54 |
ASN Update Bot |
Updated [Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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