# N11717: 1967 Koon Merritt H COUGAR, registration cancelled 1975-10-06

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 6, 1975
- Status when cancelled: Valid registration
- Airframe: [Koon Merritt H COUGAR](https://openairdocs.org/model/koon-merritt-h-cougar) (registry code 05620IN)
- Serial number: MK-1
- Year built: 1967
- Type of aircraft: Fixed wing single engine
- Certificate issued: February 9, 1967
- Mode S code: A048CF
- Owner when cancelled: [Koon Merritt H](https://openairdocs.org/faa-owner/KOON%20MERRITT%20H)
- Location: [Tacoma, WA](https://openairdocs.org/faa-place/WA/Tacoma)
- Owner type: Individual
- Owner's area on the map: 47.1662° N, 122.5061° W: Placed by OpenAirDocs at the center of ZIP code 98499, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N11717
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=11717
- Page: https://openairdocs.org/deregistered/N11717-1975-10-06

From the FAA registry file of November 5, 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 Koon Merritt H COUGAR: https://openairdocs.org/model/koon-merritt-h-cougar.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 CHI74DEM68](https://openairdocs.org/ntsb/CHI74DEM68), Jun 30, 1974: Cougar 1 (N11717), Manistee, MI, destroyed, 2 fatal

## Other aircraft with N11717

- [Cancelled 2017-09-07](https://openairdocs.org/deregistered/N11717-2017-09-07): Waco PCF, S/N 3563. Registration expired, pending cancellation. Owner: [Fritchman Michael J](https://openairdocs.org/faa-owner/FRITCHMAN%20MICHAEL%20J), [Donalds, SC](https://openairdocs.org/faa-place/SC/Donalds)
- [Cancelled 1933-09-19](https://openairdocs.org/deregistered/N11717-1933-09-19): Cessna C-1, S/N 1, built 1932. Owner: [Herman R A](https://openairdocs.org/faa-owner/HERMAN%20R%20A), [Wichita, KS](https://openairdocs.org/faa-place/KS/Wichita)

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