# N99449: Koch TWIN SPORT, registration cancelled 2009-09-17

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: September 17, 2009
- Status when cancelled: Registration revoked
- Airframe: [Koch TWIN SPORT](https://openairdocs.org/model/koch-twin-sport) (registry code 9570417)
- Serial number: JFK001
- Type of aircraft: Fixed wing single engine
- Certificate issued: July 18, 1977
- Last registry action: July 23, 1977
- Mode S code: ADE485
- Owner when cancelled: [Koch Jeff F](https://openairdocs.org/faa-owner/KOCH%20JEFF%20F)
- Location: [Petaluma, CA](https://openairdocs.org/faa-place/CA/Petaluma)
- Owner type: Individual
- Owner's area on the map: 38.2346° N, 122.7604° W: Placed by OpenAirDocs at the center of ZIP code 94952, within about 8 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N99449
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=99449
- Page: https://openairdocs.org/deregistered/N99449-2009-09-17

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 Koch TWIN SPORT: https://openairdocs.org/model/koch-twin-sport.md

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