# N9871F: Dehavilland MARK 34A

- Status: Valid registration
- Airframe: [Dehavilland MARK 34A](https://openairdocs.org/model/dehavilland-mark-34a) (registry code 2800702, 5 seats)
- Engine: [Rolls-Royce MERLIN](https://openairdocs.org/engine/rolls-royce-merlin) (registry code 54502)
- Serial number: 983157
- Type: Fixed wing multi engine
- Engine type: Reciprocating
- Certificate issued: September 9, 2022
- Expires: September 30, 2029
- Mode S code: ADC7A6
- Registered owners: [Collings Foundation Inc DBA](https://openairdocs.org/faa-owner/COLLINGS%20FOUNDATION%20INC%20DBA), [American Heritage Museum](https://openairdocs.org/faa-owner/AMERICAN%20HERITAGE%20MUSEUM)
- Location: [Stow, MA](https://openairdocs.org/faa-place/MA/Stow)
- Owner type: Corporation
- Owner's area on the map: 42.4299° N, 71.5116° W: Placed by OpenAirDocs at the center of ZIP code 01775, 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=9871F
- Page: https://openairdocs.org/aircraft/N9871F

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 (Dehavilland MARK 34A)

None in force.

### Matched by engine (Rolls-Royce MERLIN)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N9871F.

## FAA accident and incident reports

None matched to N9871F.

## 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 Dehavilland MARK 34A aircraft: https://openairdocs.org/model/dehavilland-mark-34a/aircraft.md
- The Rolls-Royce MERLIN engine: https://openairdocs.org/engine/rolls-royce-merlin.md

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