# N440AH: 2010 Robinson Helicopter R44 II, registration cancelled 2021-06-05

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 5, 2021
- Status when cancelled: Registration expired, pending cancellation
- 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: 12803
- Year built: 2010
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: March 2, 2010
- Certificate issued: August 5, 2010
- Last registry action: January 12, 2018
- Mode S code: A54AA5
- Owner when cancelled: [Alamo Helicopter Tours San Antonio LLC](https://openairdocs.org/faa-owner/ALAMO%20HELICOPTER%20TOURS%20SAN%20ANTONIO%20LLC)
- Location: [San Antonio, TX](https://openairdocs.org/faa-place/TX/San%20Antonio)
- Owner type: LLC
- Owner's area on the map: 29.3498° N, 98.4767° W: Placed by OpenAirDocs at the center of ZIP code 78214, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N440AH
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=440AH
- Page: https://openairdocs.org/deregistered/N440AH-2021-06-05

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 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 ERA20LA054](https://openairdocs.org/ntsb/ERA20LA054), Dec 14, 2019: Robinson R44 (N440AH), San Antonio, TX, substantial damage. Probable cause: Maintenance personnel’s failure to complete all necessary steps of a service bulletin and subsequent failure to identify the loose lower actuator bearing support bracket during inspections, 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 20191214021429A](https://openairdocs.org/incident/20191214021429A), Dec 14, 2019: Robinson Helicopter Company R44 II (N440AH), San Antonio, TX, Substantial damage. On December 14, 2019 at 1450 CST. N440AH a Robinson R44 rii helicopter, while conducting an air tour operation, the aircraft encountered a loud bang and a loss…

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