# N4066S: 1990 Robinson Helicopter R22 BETA, registration cancelled 2020-11-20

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: November 20, 2020
- Status when cancelled: Sale reported, canceled
- Airframe: [Robinson Helicopter R22 BETA](https://openairdocs.org/model/robinson-helicopter-r22-beta) (registry code 7640110)
- Engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508)
- Data sheets: [TCDS H10WE](https://openairdocs.org/tcds/H10WE), [TCDS E-274](https://openairdocs.org/tcds/E-274) (OpenAirDocs)
- Serial number: 1508
- Year built: 1990
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: August 17, 1990
- Last registry action: February 18, 2020
- Mode S code: A4C626
- Location: [Crystal, MN](https://openairdocs.org/faa-place/MN/Crystal)
- Owner type: Individual
- Owner's area on the map: 45.0637° N, 93.3412° W: Placed by OpenAirDocs at the center of ZIP code 55429, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4066S
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4066S
- Page: https://openairdocs.org/deregistered/N4066S-2020-11-20

From the FAA registry file of November 5, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Robinson Helicopter R22 BETA: https://openairdocs.org/model/robinson-helicopter-r22-beta.md

## NTSB investigations (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 GAA20CA035](https://openairdocs.org/ntsb/GAA20CA035), Oct 17, 2019: Robinson R22 (N4066S), Overton, NV, substantial damage. Probable cause: The pilot’s failure to maintain a proper approach and the flight instructor's subsequent failure to maintain an adequate climb rate during an attempted go-around in gusting tailwind conditions, which…

## FAA accident and incident reports (1)

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.

- [Accident 20191017020139A](https://openairdocs.org/incident/20191017020139A), Oct 17, 2019: Robinson Helicopter R22 BETA (N4066S), Moapa Valley, NV, Substantial damage. On October 17, 2019, at approximately 1700 PDT, N4066S, a Robinson R-22 helicopter, impacted terrain after attempting to land and executing a go-around. There…

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