# N5RK: Kositzke-Ronald MIDGET MUSTANG M-1, registration cancelled 2011-03-03

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 3, 2011
- Status when cancelled: Assigned (non-type certificated), pending cancellation
- Airframe: [Kositzke-Ronald MIDGET MUSTANG M-1](https://openairdocs.org/model/kositzke-ronald-midget-mustang-m-1) (registry code 1690342)
- Serial number: 400
- Type of aircraft: Fixed wing single engine
- Airworthiness: Experimental, amateur built
- Airworthiness date: March 23, 1972
- Last registry action: September 30, 1978
- Mode S code: A636BF
- The mark today: https://openairdocs.org/aircraft/N5RK
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=5RK
- Page: https://openairdocs.org/deregistered/N5RK-2011-03-03

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 Kositzke-Ronald MIDGET MUSTANG M-1: https://openairdocs.org/model/kositzke-ronald-midget-mustang-m-1.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 CHI72FEP35](https://openairdocs.org/ntsb/CHI72FEP35), Mar 26, 1972: Mustang M-1 (N5RK), Appleton, WI, destroyed

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