Wednesday, April 04, 2018

Piper PA-18-150, N101EB: Accident occurred March 30, 2018 at Butte Valley Airport (A32), Siskiyou County, California

Additional Participating Entity: 
Federal Aviation Administration / Flight Standards District Office; Sacramento, California

Aviation Accident Final Report - National Transportation Safety Board:  https://app.ntsb.gov/pdf

Investigation Docket - National Transportation Safety Board:  https://dms.ntsb.gov/pubdms

http://registry.faa.gov/N101EB


Analysis 

The pilot of the tailwheel-equipped airplane reported that, while circling over the destination airport, she observed the windsock in a "light [and] variable" state. She added that, after a touch-and-go landing, she added full power for takeoff and the airplane veered to the right, then back to the runway centerline, at which point the airplane became briefly airborne. The airplane landed back on the runway, veered off the runway to the left, impacted sage brush, and came to rest inverted.

The airplane sustained substantial damage to the rudder.

The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation. 

Probable Cause and Findings

The National Transportation Safety Board determines the probable cause(s) of this accident to be:
The pilot's failure to maintain directional control during takeoff.

Findings

Aircraft
Directional control - Not attained/maintained (Cause)

Personnel issues
Aircraft control - Pilot (Cause)

Environmental issues
Tree(s) - Contributed to outcome

Factual Information

History of Flight

Takeoff
Loss of control on ground (Defining event)
Attempted remediation/recovery
Runway excursion

Nose over/nose down

Location: Dorris, CA
Accident Number: GAA18CA191
Date & Time: 03/30/2018, 1045 PDT
Registration: N101EB
Aircraft: PIPER PA18
Aircraft Damage: Substantial
Defining Event: Loss of control on ground
Injuries: 1 None
Flight Conducted Under:  Part 91: General Aviation - Personal 

The pilot of the tailwheel-equipped airplane reported that, while circling over the destination airport, she observed the windsock in a "light [and] variable" state. She added that, after a touch-and-go landing, she added full power for takeoff and the airplane veered to the right, then back to the runway centerline, at which point the airplane became briefly airborne. The airplane landed back on the runway, veered off the runway to the left, impacted sage brush, and came to rest inverted.

The airplane sustained substantial damage to the rudder.

The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation. 

Pilot Information

Certificate: Commercial
Age: 53, Female
Airplane Rating(s): Single-engine Land
Seat Occupied: Front
Other Aircraft Rating(s): None
Restraint Used: 3-point
Instrument Rating(s): Airplane
Second Pilot Present: No
Instructor Rating(s): None
Toxicology Performed: No
Medical Certification: Class 3 With Waivers/Limitations
Last FAA Medical Exam: 11/13/2017
Occupational Pilot: No
Last Flight Review or Equivalent: 05/25/2017
Flight Time: (Estimated) 587 hours (Total, all aircraft), 20 hours (Total, this make and model), 528 hours (Pilot In Command, all aircraft), 14 hours (Last 90 days, all aircraft)

Aircraft and Owner/Operator Information

Aircraft Manufacturer: PIPER
Registration: N101EB
Model/Series: PA18 150
Aircraft Category: Airplane
Year of Manufacture: 1978
Amateur Built: No
Airworthiness Certificate: Normal
Serial Number: 18-7809028
Landing Gear Type: Tailwheel
Seats: 2
Date/Type of Last Inspection: 09/14/2017, Annual
Certified Max Gross Wt.: 2000 lbs
Time Since Last Inspection:
Engines: 1 Reciprocating
Airframe Total Time: 2035.58 Hours at time of accident
Engine Manufacturer: LYCOMING
ELT: Installed, not activated
Engine Model/Series: O-320-A2B
Registered Owner: YANCEY, MONTY
Rated Power: 150 hp
Operator: On file
Operating Certificate(s) Held: None 

Meteorological Information and Flight Plan

Conditions at Accident Site: Visual Conditions
Condition of Light: Day
Observation Facility, Elevation: KLMT, 4092 ft msl
Observation Time: 1753 UTC
Distance from Accident Site: 19 Nautical Miles
Direction from Accident Site: 36°
Lowest Cloud Condition: Clear
Temperature/Dew Point: 10°C / 1°C
Lowest Ceiling: None
Visibility:  10 Miles
Wind Speed/Gusts, Direction: 5 knots, 100°
Visibility (RVR):
Altimeter Setting: 30.22 inches Hg
Visibility (RVV):
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: KLAMATH FALLS, OR (LMT)
Type of Flight Plan Filed: None
Destination: Dorris, CA (A32)
Type of Clearance: VFR
Departure Time: 1015 PDT
Type of Airspace: Class G

Airport Information

Airport: BUTTE VALLEY (A32)
Runway Surface Type: Asphalt
Airport Elevation: 4243 ft
Runway Surface Condition: Dry
Runway Used: 16
IFR Approach: None
Runway Length/Width: 4300 ft / 60 ft
VFR Approach/Landing: Touch and Go 

Wreckage and Impact Information

Crew Injuries: 1 None
Aircraft Damage: Substantial
Passenger Injuries: N/A
Aircraft Fire: None
Ground Injuries: N/A
Aircraft Explosion: None
Total Injuries: 1 None
Latitude, Longitude: 41.890278, -121.975556 (est)

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