Friday, January 10, 2020

Nose over: Van’s RV-6, N621L; accident occurred April 26, 2019 at Grass Strip Airport (8OK6), Chandler, Lincoln County, Oklahoma

View of inverted airplane on grass runway
Federal Aviation Administration

View of vertical stabilizer damage
Federal Aviation Administration

View of left wing damage
Federal Aviation Administration

Additional Participating Entity:
Federal Aviation Administration / Flight Standards District Office; Oklahoma City, Oklahoma 

Aviation Accident Factual Report - National Transportation Safety Board:

Investigation Docket - National Transportation Safety Board:

Location: Chandler, OK
Accident Number: GAA19CA237
Date & Time: 04/26/2019, 1950 CDT
Registration: N621L
Aircraft: Vans RV 6
Aircraft Damage: Substantial
Defining Event: Nose over/nose down
Injuries: 1 None
Flight Conducted Under: Part 91: General Aviation - Personal 

The pilot of a tailwheel-equipped airplane reported that, while landing on a grass runway, he applied the brakes and retracted the flaps, and the airplane nosed over.

The airplane sustained substantial damaged to the left wing and vertical stabilizer.

The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation.

Pilot Information

Certificate: Flight Instructor; Commercial
Age: 60, Male
Airplane Rating(s): Multi-engine Land; Single-engine Land
Seat Occupied: Left
Other Aircraft Rating(s): Helicopter
Restraint Used: 4-point
Instrument Rating(s): Airplane; Helicopter
Second Pilot Present: No
Instructor Rating(s): Airplane Multi-engine; Airplane Single-engine; Instrument Airplane
Toxicology Performed: No
Medical Certification: Class 2 With Waivers/Limitations
Last FAA Medical Exam: 09/10/2018
Occupational Pilot: Yes
Last Flight Review or Equivalent: 10/26/2018
Flight Time: (Estimated) 2670 hours (Total, all aircraft), 112 hours (Total, this make and model), 2004 hours (Pilot In Command, all aircraft), 84 hours (Last 90 days, all aircraft), 45 hours (Last 30 days, all aircraft), 5 hours (Last 24 hours, all aircraft)

Aircraft and Owner/Operator Information

Aircraft Make: Vans
Registration: N621L
Model/Series: RV 6 Undesignated
Aircraft Category: Airplane
Year of Manufacture: 2001
Amateur Built: Yes
Airworthiness Certificate: Experimental
Serial Number: 60002
Landing Gear Type: Tailwheel
Seats: 2
Date/Type of Last Inspection: 04/19/2019, Condition
Certified Max Gross Wt.: 1700 lbs
Time Since Last Inspection:
Engines: 1 Reciprocating
Airframe Total Time: 563 Hours at time of accident
Engine Manufacturer: Lycoming
ELT: C91  installed, not activated
Engine Model/Series: YO-360 EXP 57
Registered Owner: Rv Aircraft Llc
Rated Power: 180 hp
Operator: On file
Operating Certificate(s) Held: None 

Meteorological Information and Flight Plan

Conditions at Accident Site: Visual Conditions
Condition of Light: Day
Observation Facility, Elevation: KCQB, 984 ft msl
Distance from Accident Site: 6 Nautical Miles
Observation Time: 0115 UTC
Direction from Accident Site: 154°
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: 160°
Turbulence Severity Forecast/Actual: N/A / N/A
Altimeter Setting: 29.98 inches Hg
Temperature/Dew Point: 20°C / 7°C
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Norman, OK (OUN)
Type of Flight Plan Filed: None
Destination: Chandler, OK (8OK6)
Type of Clearance: None
Departure Time: 1930 CDT
Type of Airspace: Class G 

Airport Information

Airport: Grass Strip (8OK6)
Runway Surface Type: Grass/turf
Airport Elevation: 933 ft
Runway Surface Condition: Dry; Soft; Vegetation
Runway Used: 22
IFR Approach: None
Runway Length/Width: 2000 ft / 30 ft
VFR Approach/Landing: Full Stop; Traffic Pattern

Wreckage and Impact Information

Crew Injuries: 1 None
Aircraft Damage: Substantial
Passenger Injuries: N/A
Aircraft Fire: None
Ground Injuries: N/A
Aircraft Explosion: None
Total Injuries: 1 None
Latitude, Longitude: 35.815000, -96.873889 (est)

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