Friday, September 18, 2020

Loss of Control on Ground: Cub Crafters CC11-160 Carbon Cub, N682CC; accident occurred September 11, 2020 at Big Creek Airport (U60),Valley County, Idaho





Aviation Accident Final Report - National Transportation Safety Board
   
Additional Participating Entity: 
Federal Aviation Administration / Flight Standards District Office; Boise, Idaho

Investigation Docket - National Transportation Safety Board:


Location: Big Creek, Idaho 
Accident Number: WPR20CA307
Date & Time: September 11, 2020, 16:00 Local
Registration: N682CC
Aircraft: Cub Crafters CC11-160 
Aircraft Damage: Substantial
Defining Event: Loss of control on ground 
Injuries: 1 None
Flight Conducted Under: Part 91: General aviation - Personal
  
Analysis
  
The pilot of the tailwheel-equipped airplane reported that after the main landing gear touched down, the airplane veered to the right side of the grass runway. The pilot applied left rudder control without affect. The airplane continued to track to the right and the right wing was substantially damaged when it struck a tree. After the pilot exited the airplane, he reported that there was a significant gusting wind from the north. The pilot reported that there were no preaccident mechanical malfunctions or failures 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 the landing roll with a gusting wind, which resulted in a runway excursion and impact with a tree. 

Findings
  
Aircraft Directional control - Not attained/maintained
Personnel issues Aircraft control - Pilot
Environmental issues Gusts - Effect on equipment
Environmental issues Tree(s) - Effect on equipment

Factual Information
  
History of Flight
  
Landing-landing roll Loss of control on ground (Defining event)
  
Pilot Information
  
Certificate: Private 
Age: 67,Male
Airplane Rating(s): Single-engine land 
Seat Occupied: Front
Other Aircraft Rating(s): None 
Restraint Used: Unknown
Instrument Rating(s): Airplane
Second Pilot Present: No
Instructor Rating(s): None 
Toxicology Performed: No
Medical Certification: Class 3 Without waivers/limitations
Last FAA Medical Exam: January 3, 2020
Occupational Pilot: No 
Last Flight Review or Equivalent: January 7, 2020
Flight Time: (Estimated) 1221 hours (Total, all aircraft), 83 hours (Total, this make and model), 1121 hours (Pilot In Command, all aircraft), 60 hours (Last 90 days, all aircraft), 30 hours (Last 30 days, all aircraft), 10 hours (Last 24 hours, all aircraft)

Aircraft and Owner/Operator Information

Aircraft Make: Cub Crafters 
Registration: N682CC
Model/Series: CC11-160 100 
Aircraft Category: Airplane
Year of Manufacture: 2017 
Amateur Built:
Airworthiness Certificate: Experimental light sport (Special)
Serial Number: CC11-00421
Landing Gear Type:
Tailwheel Seats: 1
Date/Type of Last Inspection: September 4, 2020 Annual 
Certified Max Gross Wt.: 1320 lbs
Time Since Last Inspection: 468 Hrs 
Engines: 1 Reciprocating
Airframe Total Time: 28.5 Hrs as of last inspection
Engine Manufacturer: Continental
ELT: C126 installed, not activated 
Engine Model/Series: OX-340CC-B3J3N4
Registered Owner: 
Rated Power: 180 Horsepower
Operator: On file
Operating Certificate(s) Held: None

Meteorological Information and Flight Plan

Conditions at Accident Site: Visual (VMC)
Condition of Light: Day
Observation Facility, Elevation: KMYL,5013 ft msl 
Distance from Accident Site: 36 Nautical Miles
Observation Time: 15:51 Local
Direction from Accident Site: 246°
Lowest Cloud Condition: Clear 
Visibility: 10 miles
Lowest Ceiling: None 
Visibility (RVR):
Wind Speed/Gusts: / 20 knots 
Turbulence Type
Forecast/Actual: None / None
Wind Direction: 360°
Turbulence Severity Forecast/Actual: N/A / N/A
Altimeter Setting: 30.1 inches Hg 
Temperature/Dew Point: 28°C / -7°C
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Mc Call, ID (MYL) 
Type of Flight Plan Filed: None
Destination: Big Creek, ID (U60)
Type of Clearance: None
Departure Time: 15:30 Local
Type of Airspace: Class G

Airport Information

Airport: Big Creek U60 
Runway Surface Type: Grass/turf
Airport Elevation: 5743 ft msl
Runway Surface Condition: Dry
Runway Used: 19 
IFR Approach: None
Runway Length/Width: 3550 ft / 110 ft
VFR Approach/Landing: Full stop; Traffic pattern

Wreckage and Impact Information

Crew Injuries: 1 None
Aircraft Damage: Substantial
Passenger Injuries:
Aircraft Fire: None
Ground Injuries:
Aircraft Explosion: None
Total Injuries: 1 None 
Latitude, Longitude: 45.133243,-115.32177(est)

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