Runway excursion Accident Thorp S-18 N575DG,
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ASN Wikibase Occurrence # 215003
 
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Date:Saturday 1 September 2018
Time:09:10
Type:Silhouette image of generic T18 model; specific model in this crash may look slightly different    
Thorp S-18
Owner/operator:Private
Registration: N575DG
MSN: 218
Year of manufacture:2007
Total airframe hrs:348 hours
Engine model:Lycoming O-320-E2D
Fatalities:Fatalities: 0 / Occupants: 1
Aircraft damage: Substantial
Category:Accident
Location:Porterville Municipal Airport (KPTV), Porterville, CA -   United States of America
Phase: Take off
Nature:Private
Departure airport:Woodlake, CA (O42)
Destination airport:Porterville, CA (PTV)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
The pilot of the tailwheel-equipped airplane reported that, during takeoff, he advanced the throttle to full power, maintained the runway centerline, and began to raise the tail. He added that, about 60 mph, the airplane suddenly turned left. He applied full right rudder to no avail. Subsequently, the airplane continued to veer left, exited the runway into plowed dirt, and nosed over.
The airplane sustained substantial damage to the fuselage and vertical stabilizer.
The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation.
The automated weather observation system at the airport reported that, about the time of the accident, the wind was variable at 3 knots. The pilot was departing from runway 30.


Probable Cause: The pilot’s failure to maintain directional control during the takeoff roll.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: GAA18CA523
Status: Investigation completed
Duration: 6 months
Download report: Final report

Sources:

NTSB
FAA register: https://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=575DG%20

Location

Revision history:

Date/timeContributorUpdates
02-Sep-2018 20:43 Geno Added
08-Sep-2018 03:06 Geno Updated [Aircraft type, Registration, Cn, Operator, Source, Narrative]
10-Sep-2018 15:33 harro Updated [Narrative]
23-Mar-2019 09:04 ASN Update Bot Updated [Nature, Departure airport, Destination airport, Source, Narrative, Accident report, ]

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