Sunday, June 20, 2021

Loss of Control on Ground: Great Lakes 2T-1A, N856L; accident occurred June 20, 2020 at Cambridge Municipal Airport (KCDI), Guernsey County, Ohio

Aviation Accident Final Report - National Transportation Safety Board

Additional Participating Entity: 
Federal Aviation Administration / Flight Standards District Office; Columbus, Ohio

Investigation Docket - National Transportation Safety Board: 

Location: Cambridge, Ohio
Accident Number: CEN20CA238
Date & Time: June 20, 2020, 10:44 Local 
Registration: N856L
Aircraft: Great Lakes 2T 1A 
Aircraft Damage: Substantial
Defining Event: Loss of control on ground 
Injuries: 1 None
Flight Conducted Under: Part 91: General aviation


The pilot reported that after landing the tailwheel equipped airplane, he applied brake during the landing roll and the airplane started to turn. He applied rudder to correct but overcorrected and the airplane oscillated and then went off the left side of the runway. The airplane subsequently struck a ditch next to the runway. The airplane sustained substantial damage to the right lower wing and the right horizontal tail and elevator. The pilot reported that there were no preimpact mechanical malfunctions or failures 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 landing, which resulted in the airplane exiting the runway and striking a ditch.


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

Factual Information

History of Flight

Landing-landing roll Loss of control on ground (Defining event)
Landing Collision during takeoff/land

Pilot Information

Certificate: Private 
Age: 51, Male
Airplane Rating(s): Single-engine land 
Seat Occupied: Rear
Other Aircraft Rating(s): None 
Restraint Used: 4-point
Instrument Rating(s): None
Second Pilot Present: No
Instructor Rating(s): None 
Toxicology Performed: No
Medical Certification: Class 3 
Last FAA Medical Exam: August 21, 2018
Occupational Pilot: No
Last Flight Review or Equivalent:
Flight Time: 458 hours (Total, all aircraft), 99 hours (Total, this make and model), 358 hours (Pilot In
Command, all aircraft), 3 hours (Last 90 days, all aircraft), 1 hours (Last 30 days, all aircraft)

Aircraft and Owner/Operator Information

Aircraft Make: Great Lakes
Registration: N856L
Model/Series: 2T 1A Undesignated
Aircraft Category: Airplane
Year of Manufacture: 1930
Amateur Built: No
Airworthiness Certificate: Normal 
Serial Number: 117
Landing Gear Type: Tailwheel
Date/Type of Last Inspection: November 16, 2019 Annual
Certified Max Gross Wt.:
Time Since Last Inspection:
Engines: Reciprocating
Airframe Total Time: 1422 Hrs as of last inspection
Engine Manufacturer: Lycoming
ELT: C91 installed, activated, did not aid in locating accident
Engine Model/Series: IO-360-B1E
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: CDI, 1798 ft msl
Distance from Accident Site: 0 Nautical Miles
Observation Time: 14:15 Local 
Direction from Accident Site: 0°
Lowest Cloud Condition: Clear 
Visibility 10 miles
Lowest Ceiling: None 
Visibility (RVR):
Wind Speed/Gusts: / 
Turbulence Type Forecast/Actual:  /
Wind Direction: 
Turbulence Severity Forecast/Actual: /
Altimeter Setting: 30.06 inches Hg
Temperature/Dew Point: 24°C / 19°C
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Cambridge, OH (CDI)
Type of Flight Plan Filed: None
Destination: Cambridge, OH (CDI)
Type of Clearance: None
Departure Time: 08:50 Local
Type of Airspace: Class G

Airport Information

Airport: Cambridge Municipal Airport CDI
Runway Surface Type: Asphalt
Airport Elevation: 1798 ft msl
Runway Surface Condition: Dry
Runway Used: 22
IFR Approach: None
Runway Length/Width: 4298 ft / 75 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: N/A 
Aircraft Explosion: None
Total Injuries: 1 None 
Latitude, Longitude: 39.974998,-81.577499(est)

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