# Accident 20230208001249A: Cirrus Design Corp SF50, Waukesha, WI, February 8, 2023

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: February 8, 2023, 10:00 local time
- Place: Waukesha, WI
- Airport: Waukesha County
- Damage: Substantial damage
- Phase of flight: Takeoff: Rotation
- Operating rules: General operating rules (Part 91)
- Location: 43.0416° N, 88.2347° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=43.0416&lon=-88.2347&mi=10
- Aircraft: N426SJ, registered now (https://openairdocs.org/aircraft/N426SJ) (OpenAirDocs)
- Registry model: Cirrus Design SF50 (registry code 2130010, https://openairdocs.org/model/cirrus-design-sf50) (OpenAirDocs)
- Registry engine: Williams FJ33-5A (registry code 66015, https://openairdocs.org/engine/williams-fj33-5a) (OpenAirDocs)
- Reported make and model: CIRRUS DESIGN CORP SF50
- Reported engine: WILLIAMS FJ33-5A
- People aboard: 2
- Fatal injuries: 0
- Other injuries: 0
- Pilot certificates: Private pilot, student
- Pilot flight hours: 396 total, 51 in this make and model, 57 in the last 90 days
- NTSB investigation: [NTSB CEN23LA104](https://openairdocs.org/ntsb/CEN23LA104) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20230208001249A

## Narrative

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

ON FEBRUARY 8, 2023 AT APPROXIMATELY 10:00 LOCAL TIME, AIRCRAFT ^PRIVACY DATA OMITTED^, A CIRRUS SF50 AIRCRAFT, ON A PART 91 FLIGHT ON AN IFR FLIGHT PLAN WITH THE PILOT AND ONE PASSENGER LANDED AT WAUKESHA COUNTY AIRPORT, WAUKESHA, WI. THE AIRCRAFT DEPARTED WAUKESHA COUNTY AIRPORT AT APPROXIMATELY 0950 LOCAL TIME. DURING DEPARTURE THE PILOT REPORTED A NOISE SOUNDING LIKE GRAVEL HITTING THE GEAR. THE PILOT CALLED THE TOWER AND INFORMED THEM THEY WERE RETURNING TO THE FIELD. ON THE DOWNWIND LEG THE PILOT REPORTED THE STALL WARNING SOUNDED AND THE STICK PUSHER ACTIVATED. THE PILOT HELD THE AUTO PILOT DISCONNECT SWITCH TO CANCEL THE PUSHER ACTIVATION AND THE AIRSPEED INDICATOR SHOWED 200+ KNOTS. THE PILOT STATED HE DID A SHORT BASE FINAL LANDING HEAVY AND FAST, BOUNCED A COUPLE OF TIMES THEN SKIDDED OFF THE RUNWAY 28. AFTER LANDING THE PILOT FOUND THAT THE AOA COVER WAS NOT REMOVED BEFORE FLIGHT.  THE PILOT AND PASSENGER WERE UNINJURED. THE AIRCRAFT NOSE GEAR WAS FOLDED BACK AFT AND MAKING CONTACT WITH THE FUSELAGE. THE AIRCRAFT FUSELAGE SUSTAINED DAMAGE FROM THE NOSE GEAR CRACKING THROUGH THE COMPOSITE STRUCTURE. NO INJURIES WERE REPORTED AND VMC 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 CEN23LA104](https://openairdocs.org/ntsb/CEN23LA104), Feb 8, 2023: Cirrus Design SF50 (N426SJ), Waukesha, WI, substantial damage. Probable cause: The pilot’s failure to maintain aircraft control during landing. Contributing to the accident was the pilot’s inadequate preflight inspection removal of the angle of attack vane cover.

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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