# N921ES: 2014 Robinson Helicopter R44, registration cancelled 2019-04-08

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 8, 2019
- Exported to: Russia
- Status when cancelled: Valid registration
- Airframe: [Robinson Helicopter R44](https://openairdocs.org/model/robinson-helicopter-r44) (registry code 7640120)
- Engine: [Lycoming IO-540-A1A5](https://openairdocs.org/engine/lycoming-io-540-a1a5) (registry code 41634)
- Data sheets: [TCDS H11NM](https://openairdocs.org/tcds/H11NM), [TCDS 1E4](https://openairdocs.org/tcds/1E4) (OpenAirDocs)
- Serial number: 13643
- Year built: 2014
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: February 24, 2014
- Certificate issued: October 4, 2018
- Last registry action: October 4, 2018
- Mode S code: ACC256
- Owner when cancelled: [Aviation Trust Co LLC Trustee](https://openairdocs.org/faa-owner/AVIATION%20TRUST%20CO%20LLC%20TRUSTEE)
- Location: [Oklahoma City, OK](https://openairdocs.org/faa-place/OK/Oklahoma%20City)
- Owner type: LLC
- Owner's area on the map: 35.4253° N, 97.6495° W: Placed by OpenAirDocs at the center of ZIP code 73179, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N921ES
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=921ES
- Page: https://openairdocs.org/deregistered/N921ES-2019-04-08

From the FAA registry file of November 3, 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: https://openairdocs.org/model/robinson-helicopter-r44.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 GAA16CA283](https://openairdocs.org/ntsb/GAA16CA283), May 28, 2016: Robinson Helicopter R44 (N921ES), Spring Branch, TX, substantial damage. Probable cause: The pilot's failure to maintain helicopter control while hovering in gusting tailwind conditions, resulting in the tailboom striking a light pole and impact with terrain.

## 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 20160528007919A](https://openairdocs.org/incident/20160528007919A), May 28, 2016: Robinson Helicopter R44 (N921ES), Spring Branch, TX, Substantial damage. Helicopter landed at Kestrel airpark Spring Branch , Texas for refuel stop. After refuel, pilot began his taxi for departure on runway 12.while exiting refuel…

## Other aircraft with N921ES

- [Cancelled 2013-09-23](https://openairdocs.org/deregistered/N921ES-2013-09-23): Bell Helicopter Textron Canada 407, S/N 53966, built 2009. Exported to Canada. Owner: [Ds Aviation 407 LLC](https://openairdocs.org/faa-owner/DS%20AVIATION%20407%20LLC), [Irving, TX](https://openairdocs.org/faa-place/TX/Irving)

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