# N503K: 1996 Kohler Joseph T KOLB FIRESTAR II

- Status: Valid registration
- Airframe: [Kohler Joseph T KOLB FIRESTAR II](https://openairdocs.org/model/kohler-joseph-t-kolb-firestar-ii) (registry code 0560231, 1 seats)
- Engine: [Bombardier ROTAX (ALL)](https://openairdocs.org/engine/bombardier-rotax-all) (registry code 09050)
- Serial number: F1177
- Year built: 1996
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: April 19, 1996
- Certificate issued: April 10, 1996
- Expires: June 30, 2027
- Mode S code: A645F6
- Registered owner: [Kohler Joseph T](https://openairdocs.org/faa-owner/KOHLER%20JOSEPH%20T)
- Location: [Alstead, NH](https://openairdocs.org/faa-place/NH/Alstead)
- Owner type: Individual
- Owner's area on the map: 43.1408° N, 72.3476° W: Placed by OpenAirDocs at the center of ZIP code 03602, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=503K
- Page: https://openairdocs.org/aircraft/N503K

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (Kohler Joseph T KOLB FIRESTAR II)

None in force.

### Matched by engine (Bombardier ROTAX (ALL))

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N503K.

## FAA accident and incident reports

None matched to N503K.

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Earlier aircraft with N503K

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N503K before.

- [Cancelled 1937-01-18](https://openairdocs.org/deregistered/N503K-1937-01-18): Davis V-3, S/N 111, built 1929. Owner: [Swanson Martin / Nesland Stanley](https://openairdocs.org/faa-owner/SWANSON%20MARTIN%20%2F%20NESLAND%20STANLEY), [Kent, WA](https://openairdocs.org/faa-place/WA/Kent)

## Related

- Other Kohler Joseph T KOLB FIRESTAR II aircraft: https://openairdocs.org/model/kohler-joseph-t-kolb-firestar-ii/aircraft.md
- The Bombardier ROTAX (ALL) engine: https://openairdocs.org/engine/bombardier-rotax-all.md

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