Wednesday, June 30, 2021

Loss of Control on Ground: Cub Crafters CCK-1865 Carbon Cub, N153CC; accident occurred June 28, 2020 in Juneau, Alaska

Aviation Accident Final Report - National Transportation Safety Board

Investigation Docket - National Transportation Safety Board:

Location: Juneau, Alaska
Accident Number: ANC20CA062
Date & Time: June 28, 2020
Registration: N153CC
Aircraft: Cub Crafters CCK-1865 
Aircraft Damage: Substantial
Defining Event: Loss of control on ground 
Injuries: 2 None
Flight Conducted Under: Part 91: General aviation - Personal


The pilot reported that he was landing on a tidal beach in his tailwheel-equipped airplane. After touchdown, and during the landing rollout, the airplane veered to the right and the left main landing gear collapsed. The airplane sustained substantial damage to the left wing and left elevator. The pilot reported no preaccident mechanical failures or malfunctions that would have precluded normal operations.

In the recommendation section of the NTSB Accident/Incident Reporting Form 6120.1, the pilot stated that the accident may have been prevented if he had been more proficient in tailwheel-equipped airplanes.

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 rollout, which resulted in a ground loop.


Personnel issues Aircraft control - Pilot
Aircraft Directional control - Not attained/maintained

Factual Information

History of Flight

Landing-landing roll Loss of control on ground (Defining event)

Pilot Information

Certificate: Private 
Age: 50, Male
Airplane Rating(s): Single-engine land; Single-engine sea
Seat Occupied: Front
Other Aircraft Rating(s): None
Restraint Used: 4-point
Instrument Rating(s): None
Second Pilot Present:
Instructor Rating(s): None
Toxicology Performed: No
Medical Certification: Class 3 With waivers/limitations
Last FAA Medical Exam: March 13, 2019
Occupational Pilot: No
Last Flight Review or Equivalent: February 22, 2019
Flight Time: 521.7 hours (Total, all aircraft), 33 hours (Total, this make and model), 521.7 hours (Pilot In Command, all aircraft), 34 hours (Last 90 days, all aircraft)

Aircraft and Owner/Operator Information

Aircraft Make: Cub Crafters 
Registration: N153CC
Model/Series: CCK-1865 Undesignated
Aircraft Category: Airplane
Year of Manufacture: 2009 
Amateur Built: Yes
Airworthiness Certificate: Experimental (Special)
Serial Number: CCK-1865-0006
Landing Gear Type: Tailwheel
Seats: 2
Date/Type of Last Inspection: January 16, 2020 Annual
Certified Max Gross Wt.:
Time Since Last Inspection:
Engines: Reciprocating
Airframe Total Time: 735 Hrs at time of accident
Engine Manufacturer: ECI
ELT: C126 installed, not activated 
Engine Model/Series: O-360
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: 
Distance from Accident Site:
Observation Time: 22:53 Local
Direction from Accident Site:
Lowest Cloud Condition: Few / 3000 ft AGL 
Visibility 10 miles
Lowest Ceiling: Overcast / 17000 ft AGL
Visibility (RVR):
Wind Speed/Gusts: 11 knots / 
Turbulence Type Forecast/Actual:  /
Wind Direction: 240° Turbulence Severity
Forecast/Actual:  /
Altimeter Setting: 
Temperature/Dew Point: 17°C / 11°C
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Juneau, AK 
Type of Flight Plan Filed: None
Destination: Juneau, AK
Type of Clearance: None
Departure Time: Type of Airspace: Class G

Wreckage and Impact Information

Crew Injuries: 1 None 
Aircraft Damage: Substantial
Passenger Injuries: 1 None
Aircraft Fire: None
Ground Injuries: N/A 
Aircraft Explosion: None
Total Injuries: 2 None
Latitude, Longitude: 58.141387,-134.377227(est)

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