# N911GJ: 2006 Robinson Helicopter R44 II, registration cancelled 2010-04-02

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 2, 2010
- Status when cancelled: Triennial form not returned
- Airframe: [Robinson Helicopter R44 II](https://openairdocs.org/model/robinson-helicopter-r44-ii) (registry code 7640122)
- Engine: [Lycoming IO-540 series](https://openairdocs.org/engine/lycoming-io-540-series) (registry code 41530)
- Data sheets: [TCDS H11NM](https://openairdocs.org/tcds/H11NM), [TCDS 1E4](https://openairdocs.org/tcds/1E4) (OpenAirDocs)
- Serial number: 11054
- Year built: 2006
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: January 12, 2006
- Certificate issued: December 21, 2006
- Last registry action: January 19, 2010
- Mode S code: AC9B01
- Owner when cancelled: [Polk County Sheriffs Office](https://openairdocs.org/faa-owner/POLK%20COUNTY%20SHERIFFS%20OFFICE)
- Location: [Bartow, FL](https://openairdocs.org/faa-place/FL/Bartow)
- Owner type: Government
- Owner's area on the map: 27.8761° N, 81.8127° W: Placed by OpenAirDocs at the center of ZIP code 33830, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N911GJ
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=911GJ
- Page: https://openairdocs.org/deregistered/N911GJ-2010-04-02

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 R44 II: https://openairdocs.org/model/robinson-helicopter-r44-ii.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 NYC08TA183](https://openairdocs.org/ntsb/NYC08TA183), May 15, 2008: Robinson R44 II (N911GJ), Lake Wales, FL, substantial damage. Probable cause: The pilot's improper recovery from a practice autorotation.

## 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 20080515834829A](https://openairdocs.org/incident/20080515834829A), May 15, 2008: Robsin R44 (N911GJ), Lake Wales, FL, Substantial damage. (-23) During a recurrent training flight in the polk co. sheriff's R-44, instructor [privacy data omitted] was demonstrating a zero airspeed autorotation to…

## Other aircraft with N911GJ

- [Registered now](https://openairdocs.org/aircraft/N911GJ): Robinson Helicopter R66, S/N 1158, built 2022

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