# Accident 20010926027039A: Robsin R22BETA, East Troy, WI, September 26, 2001

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: September 26, 2001, 11:15 local time
- Place: East Troy, WI
- Airport: East Troy Municipal Airport
- Damage: No damage
- Operating rules: General operating rules (Part 91)
- Location: 42.7803° N, 88.3899° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=42.7803&lon=-88.3899&mi=10
- Aircraft: N214WW, a cancelled registration (https://openairdocs.org/deregistered/N214WW-2002-03-18) (OpenAirDocs)
- Registry model: Robinson Helicopter R22 BETA (registry code 7640110, https://openairdocs.org/model/robinson-helicopter-r22-beta) (OpenAirDocs)
- Registry engine: Lycoming 0-320 series (registry code 41508, https://openairdocs.org/engine/lycoming-0-320-series) (OpenAirDocs)
- Reported make and model: ROBSIN R22BETA
- Fatal injuries: 0
- NTSB investigation: [NTSB CHI01LA324](https://openairdocs.org/ntsb/CHI01LA324) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20010926027039A

## Narrative

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

(-23) MR. HENDERSON WAS RECEIVING DUAL INSTRUCTION IN PERFORMING A "2-STAGE LIFTOFF." MR. HENDERSON ADDED EXCESSIVE COLLECTING AND MODERATE RIGHT CYCLIC CONTROL. MR. WILSON WAS UNABLE TO REACT FAST ENOUGH TO PREVENT DYNAMIC ROLLOVER. (.19) ON SEPTEMBER 26, 2001, ABOUT 1115, CENTRAL DAYLIGHT TIME, A ROBINSON R22 BETA, N214WW, PILOTED BY AN AIRLINE TRANSPORT PILOT, SUSTAINED SUBSTANTIAL DAMAGE ON IMPACT WITH TERRAIN WHEN THE HELICOPTER ROLLED OVER DURING A TAKEOFF AT EAST TROY MUNICIPAL AIRPORT (57C), NEAR EAST TROY, WISCONSIN. THE INSTRUCTIONAL FLIGHT WAS OPERATING UNDER 14 CFR PART 91. VISUAL METEOROLOGICAL CONDITIONS PREVAILED AT THE TIME OF THE ACCIDENT. THE PILOT WAS UNINJURED AND THE STUDENT PILOT SUSTAINED MINOR INJURIES. NO FLIGHT PLAN WAS ON FILE. THE LOCAL FLIGHT WAS ORIGINATING FROM 57C 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 CHI01LA324](https://openairdocs.org/ntsb/CHI01LA324), Sep 26, 2001: Robinson R22 Beta (N214WW), East Troy, WI, substantial damage. Probable cause: The inadvertent dynamic rollover the student pilot encountered following his excessive control inputs during the takeoff portion of the instructional flight and the instructor not performing the…

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.