Wednesday, June 30, 2021

Loss of Control on Ground: Van's RV-8, N408RV; accident occurred June 29, 2020 at Pennridge Airport (KCKZ), Perkasie, Bucks County, Pennsylvania

Aviation Accident Final Report - National Transportation Safety Board

Additional Participating Entity:
Federal Aviation Administration / Flight Standards District Office; Allentown, Pennsylvania 

Investigation Docket - National Transportation Safety Board:

S2RV Inc

Location: Perkasie, Pennsylvania 
Accident Number: ERA20CA233
Date & Time: June 29, 2020, 13:56 Local
Registration: N408RV
Aircraft: Vans RV 8 
Aircraft Damage: Substantial
Defining Event: Loss of control on ground
Injuries: 2 None
Flight Conducted Under: Part 91: General aviation - Personal


The pilot was landing the tailwheel-equipped airplane in turbulent and gusty crosswind conditions. Upon touchdown, the airplane bounced and then veered left. The pilot attempted to control the airplane, but it continued left off the runway. The airplane subsequently impacted a ditch and the left main landing gear separated before the airplane came to a stop. The fuselage was substantially damaged during the accident. The pilot reported that there were no mechanical malfunctions or failure of 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 loss of directional control while landing in gusting crosswind conditions, which resulted in a runway excursion and collision with a ditch.


Personnel issues Aircraft control - Pilot
Aircraft Directional control - Not attained/maintained
Environmental issues Crosswind - Effect on operation

Factual Information

History of Flight

Landing-flare/touchdown Other weather encounter
Landing-landing roll Loss of control on ground (Defining event)
Landing-landing roll Runway excursion

Pilot Information

Certificate: Airline transport; Flight engineer 
Age: 58,Male
Airplane Rating(s): Single-engine land; Multi-engine land
Seat Occupied: Left
Other Aircraft Rating(s): None 
Restraint Used: Unknown
Instrument Rating(s): Airplane 
Second Pilot Present: Yes
Instructor Rating(s): None 
Toxicology Performed: No
Medical Certification: Class 1 With waivers/limitations 
Last FAA Medical Exam: March 13, 2020
Occupational Pilot: Yes
Last Flight Review or Equivalent:
Flight Time: (Estimated) 12925 hours (Total, all aircraft), 9999 hours (Total, this make and model)

Aircraft and Owner/Operator Information

Aircraft Make: Vans 
Registration: N408RV
Model/Series: RV 8 Undesignated
Aircraft Category: Airplane
Year of Manufacture:
Amateur Built: Yes
Airworthiness Certificate: Experimental (Special) 
Serial Number: 81144
Landing Gear Type: 
Tailwheel Seats: 2
Date/Type of Last Inspection: Unknown
Certified Max Gross Wt.: 1800 lbs
Time Since Last Inspection: 
Engines: 1 Reciprocating
Airframe Total Time:
Engine Manufacturer:
Engine Model/Series:
Registered Owner: 
Rated Power:
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: KCKZ,526 ft msl
Distance from Accident Site: 5 Nautical Miles
Observation Time: 13:55 Local
Direction from Accident Site: 305°
Lowest Cloud Condition: Scattered / 4800 ft AGL
Visibility 10 miles
Lowest Ceiling: None
Visibility (RVR):
Wind Speed/Gusts: 6 knots / 
Turbulence Type Forecast/Actual:  /
Wind Direction: 330° 
Turbulence Severity Forecast/Actual:  /
Altimeter Setting: 29.85 inches Hg 
Temperature/Dew Point: 28°C / 18°C
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Robbinsville, NJ (N87)
Type of Flight Plan Filed: None
Destination: Perkasie, PA (CKZ)
Type of Clearance: None
Departure Time: 
Type of Airspace: Class E

Airport Information

Runway Surface Type: Asphalt
Airport Elevation: 567 ft msl
Runway Surface Condition: Dry
Runway Used: 08 
IFR Approach: None
Runway Length/Width: 4211 ft / 100 ft
VFR Approach/Landing: Full stop; Traffic pattern

Wreckage and Impact Information

Crew Injuries: 2 None 
Aircraft Damage: Substantial
Passenger Injuries:
Aircraft Fire: None
Ground Injuries: 
Aircraft Explosion: None
Total Injuries: 2 None 
Latitude, Longitude: 40.389167,-75.291389(est)

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