# N186R: Ross David R RV-4, registration cancelled 2011-04-25

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 25, 2011
- Status when cancelled: Assigned (non-type certificated), pending cancellation
- Airframe: [Ross David R RV-4](https://openairdocs.org/model/ross-david-r-rv-4) (registry code 056083L)
- Serial number: 01
- Type of aircraft: Fixed wing single engine
- Last registry action: November 26, 1985
- Mode S code: A1586D
- The mark today: https://openairdocs.org/aircraft/N186R
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=186R
- Page: https://openairdocs.org/deregistered/N186R-2011-04-25

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 Ross David R RV-4: https://openairdocs.org/model/ross-david-r-rv-4.md

## Other aircraft with N186R

- [Cancelled 2022-02-19](https://openairdocs.org/deregistered/N186R-2022-02-19): James Roger Haldeman CYCLON 186, S/N 001. Owner: [Haldeman Hangars LLC](https://openairdocs.org/faa-owner/HALDEMAN%20HANGARS%20LLC), [Vancouver, WA](https://openairdocs.org/faa-place/WA/Vancouver)

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