Wednesday, May 19, 2021

System/Component Malfunction/Failure (Non-Power): Van's RV-10, N665HM; accident occurred May 21, 2020 at Henry County Airport (KHMP), Hampton, Georgia

Aviation Accident Final Report - National Transportation Safety Board

Additional Participating Entity:
Federal Aviation Administration / Flight Standards District Office; Atlanta, Georgia 

Investigation Docket - National Transportation Safety Board:

Location: Hampton, Georgia 
Accident Number: ERA20CA200
Date & Time: May 21, 2020, 19:15 Local
Registration: N665HM
Aircraft: Vans RV8 
Aircraft Damage: Substantial
Defining Event: Sys/Comp malf/fail (non-power)
Injuries: 1 None
Flight Conducted Under: Part 91: General aviation - Personal


The pilot of the experimental, amateur-built tailwheel airplane was also the owner and maintained it as well. He stated that during landing, the right main wheel locked up and the airplane veered right. The pilot immediately released right brake pressure and increased left brake pressure, but the airplane continued to veer right off the right side of the runway and came to rest inverted in a grass area. The pilot subsequently examined the right brake under the supervision of a Federal Aviation Administration inspector. The brake piston tested satisfactorily, and the pilot could not duplicate a brake locking event. He noted that one of the two caliper pins and one of the two pressure plate holes were worn beyond specification. The pilot added that the wear could cause the pressure plate to cock, or foreign object debris to enter, and cause unintended braking.

Probable Cause and Findings

The National Transportation Safety Board determines the probable cause(s) of this accident to be:
A right main landing gear break malfunction during landing. Contributing to the accident was a worn right main landing gear caliper pin and pressure plate hole.


Aircraft Brake - Malfunction
Aircraft Brake - Fatigue/wear/corrosion

Factual Information

History of Flight

Landing Sys/Comp malf/fail (non-power) (Defining event)
Landing Loss of control on ground
Landing Runway excursion
Landing Nose over/nose down

Pilot Information

Certificate: Airline transport; Commercial; Flight instructor
Age: 61, Male
Airplane Rating(s): Single-engine land; Single-engine sea; Multi-engine land
Seat Occupied: Front
Other Aircraft Rating(s): None 
Restraint Used: 4-point
Instrument Rating(s): Airplane
Second Pilot Present: No
Instructor Rating(s): Airplane single-engine
Toxicology Performed: No
Medical Certification: Class 1 Without waivers/limitations
Last FAA Medical Exam: March 17, 2020
Occupational Pilot: Yes
Last Flight Review or Equivalent: March 24, 2020
Flight Time: 28784 hours (Total, all aircraft), 31 hours (Total, this make and model), 11000 hours (Pilot In Command, all aircraft), 74 hours (Last 90 days, all aircraft), 11 hours (Last 30 days, all aircraft), 0 hours (Last 24 hours, all aircraft)

Aircraft and Owner/Operator Information

Aircraft Make: Vans
Registration: N665HM
Model/Series: RV8 Undesignated
Aircraft Category: Airplane
Year of Manufacture: 2011
Amateur Built: Yes
Airworthiness Certificate: Experimental (Special)
Serial Number: 82384
Landing Gear Type: Tailwheel
Seats: 2
Date/Type of Last Inspection: June 1, 2019 Condition 
Certified Max Gross Wt.: 1800 lbs
Time Since Last Inspection: 34 Hrs
Engines: 1 Reciprocating
Airframe Total Time: 443.9 Hrs at time of accident 
Engine Manufacturer: Lycoming
ELT: C126 installed, activated, did not aid in locating accident
Engine Model/Series: O-360-A1A
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: HMP, 882 ft msl 
Distance from Accident Site: 0 Nautical Miles
Observation Time: 19:15 Local
Direction from Accident Site: 0°
Lowest Cloud Condition: Scattered / 7500 ft AGL
Visibility 10 miles
Lowest Ceiling: None 
Visibility (RVR):
Wind Speed/Gusts: 6 knots / 
Turbulence Type Forecast/Actual: None / None
Wind Direction: 110° 
Turbulence Severity Forecast/Actual: N/A / N/A
Altimeter Setting: 30.04 inches Hg
Temperature/Dew Point: 24°C / 16°C
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Peachtree City, GA (HMP)
Type of Flight Plan Filed: None
Destination: Hampton, GA (HMP)
Type of Clearance: None
Departure Time: 18:50 Local
Type of Airspace: 

Airport Information

Airport: Henry County Airport HMP 
Runway Surface Type: Asphalt
Airport Elevation: 0 ft msl 
Runway Surface Condition: Dry
Runway Used: 06
IFR Approach: None 
Runway Length/Width:5500 ft / 75 ft 
VFR Approach/Landing: Full stop

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: 33.389999,-84.331108

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