# N4309U: Starbuck David KOLB FIRESTAR II

- Status: Valid registration
- Airframe: [Starbuck David KOLB FIRESTAR II](https://openairdocs.org/model/starbuck-david-kolb-firestar-ii) (registry code 05605YE, 2 seats)
- Engine: [Bombardier ROTAX (ALL)](https://openairdocs.org/engine/bombardier-rotax-all) (registry code 09050)
- Serial number: FS-0425
- Year built: 0
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: September 10, 1998
- Certificate issued: March 27, 1998
- Expires: January 31, 2030
- Mode S code: A526C4
- Registered owner: [Starbuck David L](https://openairdocs.org/faa-owner/STARBUCK%20DAVID%20L)
- Location: [Kula, HI](https://openairdocs.org/faa-place/HI/Kula)
- Owner type: Individual
- Owner's area on the map: 20.7117° N, 156.2944° W: Placed by OpenAirDocs at the center of ZIP code 96790, within about 8 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4309U
- Page: https://openairdocs.org/aircraft/N4309U

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 (Starbuck David 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 N4309U.

## FAA accident and incident reports

None matched to N4309U.

## 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 N4309U

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N4309U before.

- [Cancelled 1970-07-10](https://openairdocs.org/deregistered/N4309U-1970-07-10): Cessna 150D, S/N 15060309. Owner: [Shannon Harry L](https://openairdocs.org/faa-owner/SHANNON%20HARRY%20L), [Saratoga, CA](https://openairdocs.org/faa-place/CA/Saratoga)

## Related

- Other Starbuck David KOLB FIRESTAR II aircraft: https://openairdocs.org/model/starbuck-david-kolb-firestar-ii/aircraft.md
- The Bombardier ROTAX (ALL) engine: https://openairdocs.org/engine/bombardier-rotax-all.md

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