# Accident 20101101050989A: Mcfarland B CHALLENGER, Prairie Du Sac, WI, November 1, 2010

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: November 1, 2010, 14:15 local time
- Place: Prairie Du Sac, WI
- Airport: Sauk-Prairie Airport
- Damage: Destroyed
- Phase of flight: Cruise/Level Flight
- Operating rules: General operating rules (Part 91)
- Location: 43.3464° N, 89.7533° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=43.3464&lon=-89.7533&mi=10
- Aircraft: N448WM, a cancelled registration (https://openairdocs.org/deregistered/N448WM-2012-07-24) (OpenAirDocs)
- Registry model: Mcfarland Bill CHALLENGER II (registry code 05615B0, https://openairdocs.org/model/mcfarland-bill-challenger-ii) (OpenAirDocs)
- Registry engine: Bombardier ROTAX (ALL) (registry code 09050, https://openairdocs.org/engine/bombardier-rotax-all) (OpenAirDocs)
- Reported make and model: MCFARLAND B CHALLENGER
- Reported engine: BOMBARDIER ROTAX (ALL)
- People aboard: 1
- Fatal injuries: 1
- Other injuries: 0
- Pilot certificates: Commercial pilot
- Pilot flight hours: 0 total, 0 in this make and model, 0 in the last 90 days
- NTSB investigation: [NTSB CEN11LA050](https://openairdocs.org/ntsb/CEN11LA050) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20101101050989A

## Narrative

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

ON NOVEMBER 1, 2010 AT 14:15 CDT, THE PILOT OF AN AMATUER BULIT CHALLENGER II EXPERIENCED AN IN FLIGHT BREAKUP 3 MILES NORTH OF THE SAUK-PRAIRIE AIRPORT, PRAIRIE DU SAC, WI.  A FAILURE OF THE FABRIC ON THE BOTTOM OF THE LEFT WING CAUSED STRESSES THAT RESULTED IN AN INFLIGHT BREAKUP. THE PILOT, SOLE OCCUPANT RECIEVED FATAL INJURIES.  THE REPOSITIONING FLIGHT DEPARTED THE SAUK-PRAIRIE AIRPORT (91C) IN VFR CONDITIONS ENROUTE TO THE FINAL DESTINATION OF MERRILL MUNCIPAL AIRPORT (RRL).

## 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 CEN11LA050](https://openairdocs.org/ntsb/CEN11LA050), Nov 1, 2010: Mcfarland Bill Challenger II (N448WM), Praire Du Sac, WI, substantial damage, 1 fatal. Probable cause: The separation of the fuselage-mounted wing strut attachment fitting for an undetermined reason, which resulted in the separation of the left wing of the airplane.

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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