# Accident 20100704055359A: Brantly B-2B, East Troy, WI, July 4, 2010

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 4, 2010, 17:45 local time
- Place: East Troy, WI
- Airport: East Troy Municipal
- Damage: Substantial damage
- Phase of flight: Other, Specify
- Operating rules: General operating rules (Part 91)
- Location: 42.7972° N, 88.3725° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=42.7972&lon=-88.3725&mi=10
- Aircraft: N9011R, registered now (https://openairdocs.org/aircraft/N9011R) (OpenAirDocs)
- Registry model: Brantly B-2B (registry code 1440506, https://openairdocs.org/model/brantly-b-2b) (OpenAirDocs)
- Reported make and model: BRANTLY B-2B
- Reported engine: IVO-360A
- People aboard: 1
- Fatal injuries: 0
- Other injuries: 0
- Pilot certificates: Commercial pilot, flight instructor
- Pilot flight hours: 2,603 total, 70 in this make and model, 200 in the last 90 days
- NTSB investigation: [NTSB CEN10CA371](https://openairdocs.org/ntsb/CEN10CA371) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20100704055359A

## Narrative

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

PILOT LANDED THE HELICOPTER FROM A HOVERING AUTOROTATION ON THE TURF RUNWAY 18 AT EAST TROY MUNICIPAL AIRPORT (57C) AT THE CONCLUSION OF A MAINTENANCE CHECK FLIGHT.  PILOT AND WITNESS REPORT HELICOPTER SKIDS BEING ON THE RUNWAY WITH ZERO GROUNDSPEED AND CONSTANT HEADING FOLLOWING THE LANDING.  FROM THE LANDED POSITION PILOT REPORTS LEFT SKID RISING, CONTROL CORRECTION BEING APPLIED, AND HELICOPTER TEETERING ON RIGHT SKID PRIOR ROLLING-OVER TO ITS RIGHT.  PILOT PERFORMED EMERGENCY SHUT-DOWN AND EXITED THE HELICOPTER UNINJURED.  A WIND GUST OF 32 KNOTS WAS RECORDED ON THE AWOS-3 AT THE BURLINGTON MUNICIPAL AIRPORT (BUU) APPROXIMATELY 4 NM SW OF 57C APPROXIMATELY NINE(9) MINUTES PRIOR TO THIS 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 CEN10CA371](https://openairdocs.org/ntsb/CEN10CA371), Jul 4, 2010: Brantly B-2B (N9011R), East Troy, WI, substantial damage. Probable cause: The pilot's failure to maintain control during 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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