# Accident 20230720011129A: Michael J Karaszewski VANS RV-10, Oshkosh, WI, July 20, 2023

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 20, 2023, 19:00 local time
- Place: Oshkosh, WI
- Airport: Wittman Field
- Damage: Substantial damage
- Phase of flight: Landing: Touchdown
- Operating rules: General operating rules (Part 91)
- Location: 43.9844° N, 88.5570° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=43.9844&lon=-88.5570&mi=10
- Aircraft: N917CM, registered now (https://openairdocs.org/aircraft/N917CM) (OpenAirDocs)
- Registry model: Michael J Karaszewski VANS RV-10 (registry code 05639UO, https://openairdocs.org/model/michael-j-karaszewski-vans-rv-10) (OpenAirDocs)
- Registry engine: Lycoming IO-540-C4B5 (registry code 41651, https://openairdocs.org/engine/lycoming-io-540-c4b5) (OpenAirDocs)
- Reported make and model: MICHAEL J KARASZEWSKI VANS RV-10
- Reported engine: LYCOMING IO-540-C4B5
- People aboard: 2
- Fatal injuries: 0
- Other injuries: 1
- Pilot certificates: Private pilot
- Pilot flight hours: 728 total, 109 in this make and model, 30 in the last 90 days
- NTSB investigation: [NTSB CEN23LA323](https://openairdocs.org/ntsb/CEN23LA323) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20230720011129A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

ON JULY 20, 2023 AT1835 CST,  A VANS EXPERIMENTAL RV-10 ^PRIVACY DATA OMITTED^ LANDED ON RUNWAY 27 AT OSHKOSH WI WITTMAN FIELD AND COLLASPED THE MAIN LANDING GEAR. THE PILOT INDICATED HE HAD A HARD LANDING.

THE PILOT HAD NO INJURIES AND THE PASSENGER HAD MINOR INJURIES. THE AIRCRAFT WAS BEING OPERATED BY THE OWNER AS A PERSONAL FLIGHT UNDER 14 CFR PART 91 WHEN THE ACCIDENT OCCURRED. VISUAL METEOROLOGICAL CONDITIONS PREVAILED AT THE TIME.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB CEN23LA323](https://openairdocs.org/ntsb/CEN23LA323), Jul 20, 2023: Vans RV-10 (N917CM), Oshkosh, WI, substantial damage. Probable cause: The pilot’s improper landing flare which resulted in a hard landing.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.