# N477SH: 2005 Robinson Helicopter R44 II, registration cancelled 2013-08-28

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 28, 2013
- Status when cancelled: Sale reported, canceled
- 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: 10904
- Year built: 2005
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: October 24, 2005
- Last registry action: September 17, 2009
- Mode S code: A5DCB3
- Location: [Bartlett, TX](https://openairdocs.org/faa-place/TX/Bartlett)
- Owner type: Individual
- Owner's area on the map: 30.7985° N, 97.4197° W: Placed by OpenAirDocs at the center of ZIP code 76511, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N477SH
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=477SH
- Page: https://openairdocs.org/deregistered/N477SH-2013-08-28

From the FAA registry file of October 29, 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 DFW08LA122](https://openairdocs.org/ntsb/DFW08LA122), Apr 28, 2008: Robinson R44 (N477SH), Bartlett, TX, substantial damage, 1 fatal. Probable cause: The pilot's failure to maintain tail rotor clearance from terrain (embankment) during takeoff.

## 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 20080428838599A](https://openairdocs.org/incident/20080428838599A), Apr 28, 2008: Robsin R44RAVENII (N477SH), Barlett, TX, Destroyed, 1 fatal. (-23) While conducting an engine run-up prior to flight, aircraft drifted rearward over a drainage ditch. Settling back on the ground, the helicopter tilted…

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