# N734H: 1949 Douglas DC3

- Status: Valid registration
- Airframe: [Douglas DC3](https://openairdocs.org/model/douglas-dc3) (registry code 3021401, 32 seats)
- Engine: [Pratt & Whitney R-1830 series](https://openairdocs.org/engine/pratt-whitney-r-1830-series) (registry code 52020)
- Serial number: 4727
- Year built: 1949
- Type: Fixed wing multi engine
- Engine type: Turbo-prop
- Airworthiness: Standard
- Airworthiness date: August 7, 1956
- Certificate issued: November 2, 2011
- Expires: November 30, 2027
- Mode S code: A9DA96
- Registered owner: [Good Aviation LLC](https://openairdocs.org/faa-owner/GOOD%20AVIATION%20LLC)
- Location: [Oshkosh, WI](https://openairdocs.org/faa-place/WI/Oshkosh)
- Owner type: LLC
- Owner's area on the map: 44.0232° N, 88.5623° W: Placed by OpenAirDocs: center of Oshkosh, WI, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=734H
- Page: https://openairdocs.org/aircraft/N734H

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 Pratt & Whitney R-1830 model are included.

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

### Matched by airframe (Douglas DC3)

None in force.

### Matched by engine (Pratt & Whitney R-1830 series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N734H.

## FAA accident and incident reports

None matched to N734H.

## 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.

## Related

- Other Douglas DC3 aircraft: https://openairdocs.org/model/douglas-dc3/aircraft.md
- The Pratt & Whitney R-1830 series engine: https://openairdocs.org/engine/pratt-whitney-r-1830-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.