# N31136: Robinson Helicopter R44 II, registration cancelled 2021-09-27

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: September 27, 2021
- Status when cancelled: Valid registration
- Airframe: [Robinson Helicopter R44 II](https://openairdocs.org/model/robinson-helicopter-r44-ii) (registry code 7640122)
- Data sheets: [TCDS H11NM](https://openairdocs.org/tcds/H11NM) (OpenAirDocs)
- Serial number: 14388
- Type of aircraft: Rotorcraft
- Certificate issued: August 31, 2020
- Last registry action: August 31, 2020
- Mode S code: A34D68
- Owner when cancelled: [Midwestern Helicopter LLC](https://openairdocs.org/faa-owner/MIDWESTERN%20HELICOPTER%20LLC)
- Location: [Kenosha, WI](https://openairdocs.org/faa-place/WI/Kenosha)
- Owner type: LLC
- Owner's area on the map: 42.6221° N, 87.9202° W: Placed by OpenAirDocs at the center of ZIP code 53144, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N31136
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=31136
- Page: https://openairdocs.org/deregistered/N31136-2021-09-27

From the FAA registry file of November 7, 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 CEN21LA021](https://openairdocs.org/ntsb/CEN21LA021), Oct 18, 2020: Robinson Helicopter R44 II (N31136), Washington, WI, substantial damage. Probable cause: The pilot’s failure to maintain lateral control during a hover and improper recovery action after the helicopter contacted the ground, which resulted in a dynamic rollover sequence and an impact with…

## 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 20201018017039A](https://openairdocs.org/incident/20201018017039A), Oct 18, 2020: Robinson Helicopter Company R44 II (N31136), Washington Isla, WI, Substantial damage. On 10/18/2020 at 2:00 pm a Robinson R-44 helicopter registration number N31136 with a single pilot occupant was departing Washington Island Airport. While…

## Other aircraft with N31136

- [Registered now](https://openairdocs.org/aircraft/N31136): Robinson Helicopter R44 II, S/N 14504, built 2021

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