Wednesday, July 24, 2019

Van's RV-8, N143MS: Accident occurred July 20, 2019 at Wittman Regional Airport (KOSH), Oshkosh, Winnebago County, Wisconsin

Additional Participating Entity:
Federal Aviation Administration / Flight Standards District Office; Milwaukee, Wisconsin

Aviation Accident Factual Report - National Transportation Safety Board:

Investigation Docket - National Transportation Safety Board:

Location: Oshkosh, WI
Accident Number: CEN19CA227
Date & Time: 07/20/2019, 0920 CDT
Registration: N143MS
Aircraft: Vans RV-8
Aircraft Damage: Substantial
Defining Event: Hard landing
Injuries: 2 None
Flight Conducted Under: Part 91: General Aviation - Personal

The private pilot reported that he was the second airplane in a flight of two and had been instructed by the air traffic controller to land on the orange dot on runway 27 (dots used to facilitate multiple landings for the fly-in). During the descending turn from the base leg to the final leg, the pilot observed a third airplane. The third airplane appeared to be landing straight-in to runway 27. The air traffic controller instructed the flight of 2 to land further down the runway, on the green dot, to accommodate the third airplane. As the pilot adjusted his engine power and descent rate for the new landing point, he noted that the closure rate with the lead airplane (in his flight of 2) increased and the lead airplane decelerated quickly as it landed. The pilot increased the pitch of the airplane to overfly and avoid a collision with the lead airplane. After he confirmed that he was past the lead airplane, he adjusted the pitch of the airplane and engine power to land, but landed hard. During the hard landing the airplane settled left wing down and veered to the left off the runway, and the left main landing gear collapsed.

The airplane sustained substantial damage to both wings and the fuselage. There were no mechanical anomalies with the airplane that would have precluded normal operations.

Pilot Information

Certificate: Commercial; Private
Age: 49, Male
Airplane Rating(s): Multi-engine Land; Single-engine Land
Seat Occupied: Front
Other Aircraft Rating(s): None
Restraint Used:
Instrument Rating(s): Airplane
Second Pilot Present: No
Instructor Rating(s): None
Toxicology Performed: No
Medical Certification: Class 3 With Waivers/Limitations
Last FAA Medical Exam: 10/23/2017
Occupational Pilot: No
Last Flight Review or Equivalent: 06/22/2019
Flight Time:  1445 hours (Total, all aircraft), 315 hours (Total, this make and model), 1350 hours (Pilot In Command, all aircraft), 45 hours (Last 90 days, all aircraft), 18 hours (Last 30 days, all aircraft), 3 hours (Last 24 hours, all aircraft)

Aircraft and Owner/Operator Information

Aircraft Make: Vans
Registration: N143MS
Model/Series: RV-8
Aircraft Category: Airplane
Year of Manufacture: 2017
Amateur Built: Yes
Airworthiness Certificate: Experimental
Serial Number: 83140
Landing Gear Type: Tailwheel
Seats: 2
Date/Type of Last Inspection: 04/24/2019, Condition
Certified Max Gross Wt.: 1900 lbs
Time Since Last Inspection:
Engines: 1 Reciprocating
Airframe Total Time: 315 Hours at time of accident
Engine Manufacturer: Lycoming
ELT: Installed
Engine Model/Series: AEIO-390-EXP
Registered Owner: On file
Rated Power: 210 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: KOSH, 802 ft msl
Distance from Accident Site: 1 Nautical Miles
Observation Time: 0953 CDT
Direction from Accident Site: 180°
Lowest Cloud Condition: Few / 3700 ft agl
Visibility:  10 Miles
Lowest Ceiling:
Visibility (RVR):
Wind Speed/Gusts: 11 knots / 18 knots
Turbulence Type Forecast/Actual: None / None
Wind Direction: 200°
Turbulence Severity Forecast/Actual: N/A / N/A
Altimeter Setting: 29.75 inches Hg
Temperature/Dew Point: 28°C / 25°C
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: De Kalb, IL (KDKB)
Type of Flight Plan Filed: None
Destination: Oshkosh, WI (OSH)
Type of Clearance: None
Departure Time: 0830 CDT
Type of Airspace: Class D; Special 

Airport Information

Airport: Wittman Regional Airport (OSH)
Runway Surface Type: Concrete
Airport Elevation: 808 ft
Runway Surface Condition: Dry
Runway Used: 27
IFR Approach: None
Runway Length/Width: 6179 ft / 150 ft
VFR Approach/Landing: Full Stop

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: 43.984444, -88.556667 (est)

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