- Date
- July 20, 2023, 18:45 local (23:45 UTC)
- Place
- Oshkosh, WI
- Injuries
- 2 uninjured
- Damage
- Substantial damage
- Phase of flight
- Landing
- Aircraft
- N917CMVans RV-10
- Defining event
- Landing-flare/touchdown: Hard landing
- Weather
- Visual (VMC) · Day
- Status
- Completed
- Report
- Approved by Office Director
- Investigation class
- Class 4 - Basic report with no Prelim publish
- NTSB office
- Central Region
- Parties
- FAA FSDO
- FAA report
- 20230720011129A
- Case key
- 192707
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
Probable cause
The pilot’s improper landing flare which resulted in a hard landing.
Findings · 2
NTSB’s coded findings. Those marked are part of the probable cause; the rest are factors or other findings. Under each, the cases with the same finding.
Sequence of events
The events NTSB coded, in order, by phase of flight. The defining event is the one that best describes the accident. Under each, the cases with the same event anywhere in their sequence.
Analysis
According to the pilot, he was landing on runway 27 at or beyond the green dot. The pilot reduced engine power after he reached the green dot. The airplane impacted the runway hard and both main landing gear collapsed. The airplane sustained substantial damage to the fuselage. The pilot stated that there were no preaccident mechanical malfunctions or failures with the airplane that would have precluded normal operation.
Aircraft
- Registration
- N917CM
- Reported as
- Vans RV-10
- Category
- Airplane, amateur-built
- Serial number
- 41171
- Built
- 2022
- Airframe hours
- 109.4
- Engine
- Lycoming IO-540-C4B5, 250 hp, reciprocating
- Damage
- Substantial damage
- Flight
- Personal · Part 91
- Airworthiness certificate
- Special, Experimental (Special)
- Last inspection
- Condition · March 7, 2023
- Departed
- KDKB · DeKalb, IL
- Destination
- KOSH · Oshkosh, WI
- Airport
- KOSH · Wittman Regional Airport, runway 27, 6,179 × 150 ft
- Equipment
- ADS-B, Stall warning system, Satellite tracking device, Onboard weather, Electronic primary flight display, Electronic multifunction display, Electronic flight bag or handheld device, Angle of attack indicator
Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.
Flight crew
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Age
- 66
- Injuries
- None
- Certificate
- Private
- Airplane ratings
- Single-engine land
- Medical
- Class 3, With waivers/limitations
- Last flight review
- March 20, 2023
- Seat
- Left
- Restraint
- 4-point
- Flight hours
- 728 total · 114 in this make and model · 630 as pilot in command · 30 in the last 90 days · 8 in the last 30 days · 6 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 310° at 12 knots, gusting 20
- Lowest ceiling
- None
- Temperature
- 77 °F, dew point 58 °F
- Altimeter
- 29.89 inHg
- Observed at
- KOSH
Docket · 2
The files NTSB released with the investigation on February 8, 2024, on NTSB’s docket system: statements, records, photos and specialists’ reports. 6.4 MB in all.
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.