# N5138: 2016 Brian T Coughlin SOPWITH PUP

- Status: Valid registration
- Airframe: [Brian T Coughlin SOPWITH PUP](https://openairdocs.org/model/brian-t-coughlin-sopwith-pup) (registry code 05635KI, 1 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 1916
- Year built: 2016
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: October 20, 2016
- Certificate issued: May 10, 2018
- Expires: May 31, 2028
- Mode S code: A67004
- Registered owner: [Owl Head Transportation Museum](https://openairdocs.org/faa-owner/OWL%20HEAD%20TRANSPORTATION%20MUSEUM)
- Location: [Owls Head, ME](https://openairdocs.org/faa-place/ME/Owls%20Head)
- Owner type: Corporation
- Owner's area on the map: 44.0481° N, 69.0919° W: Placed by OpenAirDocs at the center of ZIP code 04854, 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=5138
- Page: https://openairdocs.org/aircraft/N5138

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 (Brian T Coughlin SOPWITH PUP)

None in force.

### Matched by engine (Amateur-built UNKNOWN ENG)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N5138.

## FAA accident and incident reports

None matched to N5138.

## 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 N5138

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N5138 before.

- [Cancelled 1992-02-26](https://openairdocs.org/deregistered/N5138-1992-02-26): Shook Mark S L E COPTER, S/N 76138. Triennial form not returned. Owner: [Shook Mark S](https://openairdocs.org/faa-owner/SHOOK%20MARK%20S), [Falcon, CO](https://openairdocs.org/faa-place/CO/Falcon)
- [Cancelled 1974-05-07](https://openairdocs.org/deregistered/N5138-1974-05-07): Benson GYROCOPTER B-8M, S/N 8315. Owner: [Menter George J](https://openairdocs.org/faa-owner/MENTER%20GEORGE%20J), [Des Plaines, IL](https://openairdocs.org/faa-place/IL/Des%20Plaines)

## Related

- Other Brian T Coughlin SOPWITH PUP aircraft: https://openairdocs.org/model/brian-t-coughlin-sopwith-pup/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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