# N305SF: 1944 Douglas DC3C

- Status: Valid registration
- Airframe: [Douglas DC3C](https://openairdocs.org/model/douglas-dc3c) (registry code 3021457, 32 seats)
- Engine: [Pratt & Whitney R-1830 series](https://openairdocs.org/engine/pratt-whitney-r-1830-series) (registry code 52020)
- Serial number: 6208
- Year built: 1944
- Type: Fixed wing multi engine
- Engine type: Turbo-prop
- Airworthiness: Standard, normal
- Airworthiness date: June 1, 1988
- Certificate issued: August 12, 2002
- Expires: February 29, 2028
- Mode S code: A3337B
- Registered owner: [Maxwell Tammy](https://openairdocs.org/faa-owner/MAXWELL%20TAMMY)
- Location: [Spring Creek, NV](https://openairdocs.org/faa-place/NV/Spring%20Creek)
- Owner type: Individual
- Owner's area on the map: 40.5647° N, 115.5965° W: Placed by OpenAirDocs at the center of ZIP code 89815, within about 15 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=305SF
- Page: https://openairdocs.org/aircraft/N305SF

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 DC3C)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB ANC98LA114](https://openairdocs.org/ntsb/ANC98LA114), Jul 31, 1998: Douglas DC-3C (N305SF), Anchorage, AK, substantial damage. Probable cause: The pilot's failure to maintain directional control during landing, and the resulting overload fracture of the tailwheel fork assembly.

## FAA accident and incident reports (5)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 19980731023929A](https://openairdocs.org/incident/19980731023929A), Jul 31, 1998: Doug DC3C (N305SF), Anchorage, AK, Substantial damage. Landing tailwheel casting seperated. Damaged tail cone an atachment bulkhead.(.4) on July 31, 1998, at 1526 Alaska daylight time, a Douglas DC-3C airplane,…
- [Incident 19920105001739I](https://openairdocs.org/incident/19920105001739I), Jan 5, 1992: Doug DC3C (N305SF), Billings, MT. NR2 engine failed on climb. Returned. Landed safely. Found engine master link connecting rod failed.
- [Incident 19910214008699I](https://openairdocs.org/incident/19910214008699I), Feb 14, 1991: Doug DC3C (N305SF), Billings, MT, Minor damage. Shut NR1 engine down and returned to airport. NR4 cylinder head had cracked and lost all oil pressure.
- [Incident 19891028064699I](https://openairdocs.org/incident/19891028064699I), Oct 28, 1989: Doug DC3C (N305SF), Salt Lake City, UT, Minor damage. Encountered wind gust on landing. Wing tip touched runway. Made a go around. Landed with incident.
- [Incident 19890403019369I](https://openairdocs.org/incident/19890403019369I), Apr 3, 1989: Doug DC3C (N305SF), Missoula, MT, Minor damage. Experienced duck strike on descent. Co-pilots windshield broke and he received facial injuries.

## Service difficulty reports (3)

As reported by operators and repair stations. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR 98ZZZX3477](https://openairdocs.org/sdr/98ZZZX3477), Jul 31, 1998: FORK. BROKE. UPPER PIVOT POINT OF MAIN TAIL WHEEL FORK BROKE ON LANDING.
- [SDR 98ZZZX3476](https://openairdocs.org/sdr/98ZZZX3476), Jul 31, 1998: FORK. SEPARATED. ON 7-31-98, A DOUGLAS DC-3 AIRCRAFT SUSTAINED SUBSTANTIAL DAMAGE DURING LANDING AT ANCHORAGE, ALASKA. THE PILOT REPORTED THAT DURING LANDING, THE TAIL WHEEL C A
- [SDR 98ZZZX3953](https://openairdocs.org/sdr/98ZZZX3953), May 4, 1998: CYLINDER. FAILED. NR 1 CYLINDER ON NR 2 ENGINE FAILED. SHUT DOWN NR 2 ENGINE AND FEATHERED. RETURNED TO ANCHORAGE.

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Related

- Other Douglas DC3C aircraft: https://openairdocs.org/model/douglas-dc3c/aircraft.md
- The Pratt & Whitney R-1830 series engine: https://openairdocs.org/engine/pratt-whitney-r-1830-series.md

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