# N55NZ: 2007 Robinson Helicopter R44 II, registration cancelled 2015-05-20

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 20, 2015
- Status when cancelled: Registration pending, canceled
- Airframe: [Robinson Helicopter R44 II](https://openairdocs.org/model/robinson-helicopter-r44-ii) (registry code 7640122)
- Engine: [Lycoming IO-540-AE1A5](https://openairdocs.org/engine/lycoming-io-540-ae1a5) (registry code 41899)
- Data sheets: [TCDS H11NM](https://openairdocs.org/tcds/H11NM), [TCDS 1E4](https://openairdocs.org/tcds/1E4) (OpenAirDocs)
- Serial number: 11846
- Year built: 2007
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: August 1, 2007
- Last registry action: November 14, 2013
- Mode S code: A6FE56
- Location: [Pompano Beach, FL](https://openairdocs.org/faa-place/FL/Pompano%20Beach)
- Owner type: Individual
- Owner's area on the map: 26.2778° N, 80.1153° W: Placed by OpenAirDocs at the center of ZIP code 33064, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N55NZ
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=55NZ
- Page: https://openairdocs.org/deregistered/N55NZ-2015-05-20

From the FAA registry file of November 4, 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 WPR12CA162](https://openairdocs.org/ntsb/WPR12CA162), Apr 9, 2012: Robinson Helicopter R44 II (N55NZ), Henderson, NV, substantial damage. Probable cause: The pilot did not maintain directional and yaw control of the helicopter during approach and landing, which resulted in a dynamic rollover.

## 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 20120408006299A](https://openairdocs.org/incident/20120408006299A), Apr 8, 2012: Robinson Helicopter Company R44 II (N55NZ), Henderson, NV, Substantial damage. Pilot initiated an approach to land at a paved area adjacent to hangers at the Henderson airport, the approach was on an approximate heading of one hundred…

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