# N61981: 1940 Douglas DC3A

- Status: Valid registration
- Airframe: [Douglas DC3A](https://openairdocs.org/model/douglas-dc3a) (registry code 3021433, 32 seats)
- Engine: [Pratt & Whitney R-1830 series](https://openairdocs.org/engine/pratt-whitney-r-1830-series) (registry code 52020)
- Serial number: 2216
- Year built: 1940
- Type: Fixed wing multi engine
- Engine type: Reciprocating
- Airworthiness: Standard, transport
- Airworthiness date: February 15, 2000
- Certificate issued: June 9, 2015
- Expires: June 30, 2028
- Mode S code: A813B7
- Registered owner: [Siderwicz Christopher J](https://openairdocs.org/faa-owner/SIDERWICZ%20CHRISTOPHER%20J)
- Location: [Marstons Mills, MA](https://openairdocs.org/faa-place/MA/Marstons%20Mills)
- Owner type: Individual
- Owner's area on the map: 41.6704° N, 70.4120° W: Placed by OpenAirDocs at the center of ZIP code 02648, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=61981
- Page: https://openairdocs.org/aircraft/N61981

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 DC3A)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N61981.

## FAA accident and incident reports

None matched to N61981.

## 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 N61981

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N61981 before.

- [Cancelled 1985-07-16](https://openairdocs.org/deregistered/N61981-1985-07-16): Cessna A185F, S/N 18504285. Exported to United Kingdom. Owner: [Cessna Aircraft Co](https://openairdocs.org/faa-owner/CESSNA%20AIRCRAFT%20CO), Zaventem

## Related

- Other Douglas DC3A aircraft: https://openairdocs.org/model/douglas-dc3a/aircraft.md
- The Pratt & Whitney R-1830 series engine: https://openairdocs.org/engine/pratt-whitney-r-1830-series.md

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