# N9FK: Kostlevy FHK HAWK, registration cancelled 1982-03-15

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 15, 1982
- Status when cancelled: Valid registration
- Airframe: [Kostlevy FHK HAWK](https://openairdocs.org/model/kostlevy-fhk-hawk) (registry code 0565826)
- Serial number: 74-0028
- Type of aircraft: Fixed wing single engine
- Certificate issued: January 13, 1982
- Mode S code: AC6B01
- Owner when cancelled: [Kostuevy Frank H](https://openairdocs.org/faa-owner/KOSTUEVY%20FRANK%20H)
- Location: [Loyal, WI](https://openairdocs.org/faa-place/WI/Loyal)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N9FK
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9FK
- Page: https://openairdocs.org/deregistered/N9FK-1982-03-15

From the FAA registry file of October 31, 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 Kostlevy FHK HAWK: https://openairdocs.org/model/kostlevy-fhk-hawk.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 CHI78DEP03](https://openairdocs.org/ntsb/CHI78DEP03), Oct 16, 1977: Hawk DSK-1 (N9FK), Mosinee, WI, substantial damage

## Other aircraft with N9FK

- [Cancelled 2017-04-18](https://openairdocs.org/deregistered/N9FK-2017-04-18): Bell 47G, S/N 1675, built 1956. Registration expired, pending cancellation. Owner: [Rodriguez Danny](https://openairdocs.org/faa-owner/RODRIGUEZ%20DANNY), [Redondo Beach, CA](https://openairdocs.org/faa-place/CA/Redondo%20Beach)

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