# N4300: 1943 Piper PT1

- Status: Valid registration
- Airframe: [Piper PT1](https://openairdocs.org/model/piper-pt1) (registry code 7100802, 2 seats)
- Engine: [Franklin 6AC298 series](https://openairdocs.org/engine/franklin-6ac298-series) (registry code 27016)
- Data sheets: [TCDS TC 225](https://openairdocs.org/tcds/TC%20225) (Franklin Engine Company) (OpenAirDocs)
- Serial number: PT-1
- Year built: 1943
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, exhibition
- Airworthiness date: October 26, 1979
- Certificate issued: December 4, 2006
- Expires: February 28, 2029
- Mode S code: A52576
- Registered owner: [Piper Aviation Museum Foundation](https://openairdocs.org/faa-owner/PIPER%20AVIATION%20MUSEUM%20FOUNDATION)
- Location: [Lock Haven, PA](https://openairdocs.org/faa-place/PA/Lock%20Haven)
- Owner type: Corporation
- Owner's area on the map: 41.2851° N, 77.4712° W: Placed by OpenAirDocs at the center of ZIP code 17745, within about 9 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4300
- Page: https://openairdocs.org/aircraft/N4300

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. The registry lists only the engine series, so ADs for every Franklin 6AC298 model are included.

## ADs that may apply (OpenAirDocs): 1 in force

### Matched by airframe (Piper PT1)

None in force.

### Matched by engine (Franklin 6AC298 series)

- [AD 69-09-01](https://openairdocs.org/ad/69-09-01): Eisemann Magnetos · Eisemann Magnetos, 2A4-45-B2, 2A4-49-B2 and 158 more

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N4300.

## FAA accident and incident reports

None matched to N4300.

## 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) (1)

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the engine (Franklin 6AC298 series)

- [STC SE04651CH](https://openairdocs.org/stc/SE04651CH): To allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22. Swift Fuels LLC

## Related

- Other Piper PT1 aircraft: https://openairdocs.org/model/piper-pt1/aircraft.md
- The Franklin 6AC298 series engine: https://openairdocs.org/engine/franklin-6ac298-series.md

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.