# Accident 20210730012219A: Weiss Denis SPARROW II, Oshkosh, WI, July 30, 2021

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 30, 2021, 10:15 local time
- Place: Oshkosh, WI
- Airport: Wittman Regional
- Damage: Substantial damage
- Phase of flight: Landing: Touchdown
- Operating rules: General operating rules (Part 91)
- Location: 43.9699° N, 88.5626° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=43.9699&lon=-88.5626&mi=10
- Aircraft: N725DW, a cancelled registration (https://openairdocs.org/deregistered/N725DW-2022-11-05) (OpenAirDocs)
- Registry model: Weiss Denis SPARROW II (registry code 056193D, https://openairdocs.org/model/weiss-denis-sparrow-ii) (OpenAirDocs)
- Registry engine: Bombardier ROTAX (ALL) (registry code 09050, https://openairdocs.org/engine/bombardier-rotax-all) (OpenAirDocs)
- Reported make and model: WEISS DENIS SPARROW II
- Reported engine: BOMBARDIER ROTAX (ALL)
- People aboard: 2
- Fatal injuries: 0
- Other injuries: 1
- Pilot certificates: Sport pilot
- Pilot flight hours: 3,500 total, 120 in this make and model, 52 in the last 90 days
- NTSB investigation: [NTSB CEN21LA344](https://openairdocs.org/ntsb/CEN21LA344) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20210730012219A

## Narrative

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

DURING LANDING, THE AIRCRAFT LANDED LONG AND PORPOISED SEVERAL TIMES BEFORE HITTING A DITCH AT THE END OF THE RUNWAY BREAKING THE NOSE GEAR, RIGHT MAIN GEAR, ENGINE MOUNT AND BENDING THE FIREWALL.

THE AIRCRAFT PILOT REPORTED A LARGE BUMP ON THE RUNWAY CAUSED THE AIRCRAFT TO PORPOISE SEVERAL TIMES .  HE STATED THAT HE TRIED TO USE BRAKES TO STOP BUT THEY DID NOT WORK.

## 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 CEN21LA344](https://openairdocs.org/ntsb/CEN21LA344), Jul 30, 2021: Weiss Denis Sparrow II (N725DW), Oshkosh, WI, substantial damage. Probable cause: The pilot’s improper landing flare which resulted in a bounced landing, a loss of control, and runway excursion.

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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