# Accident 20240726011489A: Diamond Aircraft Ind Gmbh DA 42 NG, Oshkosh, WI, July 26, 2024

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 26, 2024, 19:18 local time
- Place: Oshkosh, WI
- Airport: Wittman Regional
- Damage: Substantial damage
- Phase of flight: Landing: Approach
- 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: N94NG, registered now (https://openairdocs.org/aircraft/N94NG) (OpenAirDocs)
- Registry model: Diamond Aircraft Ind DA 42 NG (registry code 2990105, https://openairdocs.org/model/diamond-aircraft-ind-da-42-ng) (OpenAirDocs)
- Registry engine: Austro E4 series (registry code 06400, https://openairdocs.org/engine/austro-e4-series) (OpenAirDocs)
- Reported make and model: DIAMOND AIRCRAFT IND GMBH DA 42 NG
- Reported engine: AUSTRO E4 SERIES
- People aboard: 3
- Fatal injuries: 0
- Other injuries: 0
- Pilot certificates: Commercial pilot, flight instructor, private pilot
- Pilot flight hours: 1,402 total, 40 in this make and model, 32 in the last 90 days
- NTSB investigation: [NTSB WPR24LA256](https://openairdocs.org/ntsb/WPR24LA256) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20240726011489A

## Narrative

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

ON JULY 26, 2014, AT 1718 CST, A DIAMOND DA 42NG TWIN STAR, ^PRIVACY DATA OMITTED^, DURING A LEFT BANKED DESCENDING TURN SUSTAINED IMMEDIATE SUBSTANTIAL DAMAGE UPON TOUCHDOWN, COLLAPSING OF THE LEFT MAIN GEAR CAUSING LEFT ENGINE PROPELLER COMPOSITE BLADES SHREDDING AND THE AIRCRAFT SKIDDING OFF RUNWAY 18R AT WITTMAN REGIONAL AIRPORT (KOSH), WI.   LEFT GEAR IMPACTED 45 FEET TO THE RIGHT OF RUNWAY 18 R CENTER LINE, 30 FEET TO THE LEFT OF THE RIGHT EDGE OF THE RUNWAY.   THE AIRCRAFT WAS NOT PARALLEL, BUT WITH A SLIGHT RIGHT HEADING TO THE RUNWAY AT TOUCHDOWN; THIS ASCERTAINED VIA VIDEOS WHICH DOCUMENT THE MISHAP. THE AIRCRAFT SKIDDED APPROXIMATELY 300 FEET STOPPING ON THE GRASS OFF THE RIGHT SIDE OF RUNWAY 18R.  DAMAGE ALSO OCCURRED TO LEFT WING, LOWER EMPENNAGE AND RUDDER. THE THREE OCCUPANTS WERE UNINJURED.  THE PILOT, A CFI FLEW THE AIRCRAFT FROM THE RIGHT SEAT.  ONE PASSENGER, WITH ASEL PRIVATE CERTIFICATE, SAT IN THE LEFT FRONT SEAT AND THE OTHER PASSENGER, ASEL PRIVATE CERTIFICATE, SAT IN THE REAR LEFT SEAT AT THE TIME OF THE ACCIDENT. THE FLIGHT, FOR PURPOSES OF ATTENDING ^PRIVACY DATA OMITTED^, WAS OPERATING UNDER A FAA WAIVER / ^PRIVACY DATA OMITTED^ NOTICE. EAA ^PRIVACY DATA OMITTED^ FISK ARRIVAL TRAFFIC MIXED WITH WARBIRD TRAFFIC (FROM WARBIRD ISLAND – VPWAR) TO RNY 18R; IN THIS ACCIDENT ^PRIVACY DATA OMITTED^, THE DIAMOND DA 42NG WITH A TOUCHDOWN LANDING CONFIGURATION SPEED OF 62 KNOTS, FOLLOWED BY ^PRIVACY DATA OMITTED^, YAKOLEV YAK-3M WITH A TOUCHDOWN SPEED APPROX. 103 KNOTS. ^PRIVACY DATA OMITTED^ CLOSED STEADILY ON ^PRIVACY DATA OMITTED^ DURING DOWNWIND, APPROX. 2000 FEET SEPARATION BEFORE ^PRIVACY DATA OMITTED^ INITIATED AN ATC DIRECTED SINGLE DESCENDING TURN TO LANDING.

VISUAL METEOROLOGICAL CONDITIONS PREVAILED AT THE TIME OF THE ACCIDENT.

## 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 WPR24LA256](https://openairdocs.org/ntsb/WPR24LA256), Jul 26, 2024: Diamond Aircraft Ind DA 42 NG (N94NG), Oshkosh, WI, substantial damage. Probable cause: The pilot’s failure to maintain control during an approach to land, 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.

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