# N639H: 1929 Travel Air C-4000

- Status: Valid registration
- Airframe: [Travel Air C-4000](https://openairdocs.org/model/travel-air-c-4000) (registry code 2621822, 3 seats)
- Engine: [Wright R-760-8](https://openairdocs.org/engine/wright-r-760-8) (registry code 67118)
- Serial number: 1200
- Year built: 1929
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: November 15, 2007
- Certificate issued: October 6, 2011
- Expires: October 31, 2027
- Mode S code: A85FDA
- Registered owners: [Mertesdorf John P](https://openairdocs.org/faa-owner/MERTESDORF%20JOHN%20P), [Mertesdorf Daniel R](https://openairdocs.org/faa-owner/MERTESDORF%20DANIEL%20R), [Mertesdorf Gerald J](https://openairdocs.org/faa-owner/MERTESDORF%20GERALD%20J)
- Location: [Nicollet, MN](https://openairdocs.org/faa-place/MN/Nicollet)
- Owner type: Co-owned
- Owner's area on the map: 44.3269° N, 94.1969° W: Placed by OpenAirDocs at the center of ZIP code 56074, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=639H
- Page: https://openairdocs.org/aircraft/N639H

From the FAA registry file of October 27, 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 (Travel Air C-4000)

None in force.

### Matched by engine (Wright R-760-8)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N639H.

## FAA accident and incident reports

None matched to N639H.

## 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 Travel Air C-4000 aircraft: https://openairdocs.org/model/travel-air-c-4000/aircraft.md
- The Wright R-760-8 engine: https://openairdocs.org/engine/wright-r-760-8.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.