Friday, August 14, 2020

Loss of Control on Ground: Cub Crafters Carbon Cub EX, N3737R; accident occurred August 07, 2020 at Veterans Airport of Southern Illinois (KMWA), Marion, Williamson County, Illinois

Aviation Accident Final Report - National Transportation Safety Board

Additional Participating Entity: 
Federal Aviation Administration / Flight Standards District Office; Springfield, Illinois


Location: Marion, Illinois
Accident Number: CEN20CA333
Date & Time: August 7, 2020, 13:55 Local 
Registration: N3737R
Aircraft: Cub Crafters CARBON CUB EX 
Aircraft Damage: Substantial
Defining Event: Loss of control on ground 
Injuries: 2 None
Flight Conducted Under: Part 91: General aviation - Personal

Analysis

The pilot reported that during landing in the tailwheel equipped airplane, he performed two go-arounds after each approach for landing due to the wind upsetting his landing or the landing was not going to be smooth. During the third landing attempt, the approach felt more stable and within several seconds of landing touchdown, an aggressive ground loop to the left developed. The right main landing gear collapsed, and the right wing sustained substantial damage. The pilot reported that there were no mechanical anomalies 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 attain/maintain directional control during landing that resulted in a ground-loop and collision with terrain.

Findings

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

Factual Information

History of Flight

Landing Other weather encounter
Landing Loss of control on ground (Defining event)
Landing Landing gear collapse

Pilot Information

Certificate: Private 
Age: 67, Male
Airplane Rating(s): Single-engine land 
Seat Occupied: Front
Other Aircraft Rating(s): None 
Restraint Used: 3-point
Instrument Rating(s): None 
Second Pilot Present: No
Instructor Rating(s): None
Toxicology Performed: No
Medical Certification: Class 3 With waivers/limitations 
Last FAA Medical Exam: December 11, 2018
Occupational Pilot: No 
Last Flight Review or Equivalent: August 2, 2018
Flight Time: 510 hours (Total, all aircraft), 194 hours (Total, this make and model), 351 hours (Pilot In Command, all aircraft), 17 hours (Last 90 days, all aircraft), 8 hours (Last 30 days, all aircraft), 3 hours (Last 24 hours, all aircraft)

Passenger Information

Certificate:
Age: Female
Airplane Rating(s): 
Seat Occupied: Rear
Other Aircraft Rating(s):
Restraint Used:
Instrument Rating(s):
Second Pilot Present: No
Instructor Rating(s):
Toxicology Performed: No
Medical Certification:
Last FAA Medical Exam:
Occupational Pilot: No
Last Flight Review or Equivalent:
Flight Time:

Aircraft and Owner/Operator Information

Aircraft Make: Cub Crafters
Registration: N3737R
Model/Series: CARBON CUB EX 
Aircraft Category: Airplane
Year of Manufacture: 2016
Amateur Built: Yes
Airworthiness Certificate:Experimental (Special)
Serial Number: CCK-1865-0079
Landing Gear Type: Tailwheel
Seats: 2
Date/Type of Last Inspection: July 9, 2020 Condition
Certified Max Gross Wt.: 1865 lbs
Time Since Last Inspection:
Engines: 1 Reciprocating
Airframe Total Time: 199 Hrs as of last inspection 
Engine Manufacturer: ECI
ELT: 
Engine Model/Series: CC340
Registered Owner:
Rated Power: 180 Horsepower
Operator: 
Operating Certificate(s) Held: None

Meteorological Information and Flight Plan

Conditions at Accident Site: Visual (VMC)
Condition of Light: Day
Observation Facility, Elevation: MWA,472 ft msl
Distance from Accident Site: 0 Nautical Miles
Observation Time: 14:17 Local 
Direction from Accident Site:
Lowest Cloud Condition: Clear 
Visibility:  10 miles
Lowest Ceiling: None 
Visibility (RVR):
Wind Speed/Gusts: 5 knots / 
Turbulence Type Forecast/Actual: None / None
Wind Direction: 120°
Turbulence Severity Forecast/Actual:  /
Altimeter Setting: 30.12 inches Hg
Temperature/Dew Point: 27°C / 17°C
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Mt Vernon, IL (MVN)
Type of Flight Plan Filed: None
Destination: Marion, IL (MWA) 
Type of Clearance: VFR
Departure Time: 13:15 Local
Type of Airspace: Class D

Airport Information

Airport: Veterans Airport MWA 
Runway Surface Type: Concrete
Airport Elevation: 472 ft msl
Runway Surface Condition: Dry
Runway Used: 11 
IFR Approach: None
Runway Length/Width: 4997 ft / 100 ft
VFR Approach/Landing: Go around;Traffic pattern

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: 37.755001,-89.011108(est)

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