# N1639: Curtiss Wright JN4C

- Status: Valid registration
- Airframe: [Curtiss Wright JN4C](https://openairdocs.org/model/curtiss-wright-jn4c) (registry code 2620601, 1 seats)
- Serial number: 4048
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness date: June 8, 1998
- Certificate issued: September 3, 1999
- Expires: June 30, 2028
- Mode S code: A10066
- Registered owner: [Morozowsky Anthony M](https://openairdocs.org/faa-owner/MOROZOWSKY%20ANTHONY%20M)
- Location: [Zanesville, OH](https://openairdocs.org/faa-place/OH/Zanesville)
- Owner type: Individual
- Owner's area on the map: 39.9640° N, 81.9957° W: Placed by OpenAirDocs at the center of ZIP code 43701, within about 8 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=1639
- Page: https://openairdocs.org/aircraft/N1639

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 (Curtiss Wright JN4C)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N1639.

## FAA accident and incident reports

None matched to N1639.

## Reports on N1639 not matched to an aircraft (2)

They name N1639, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [Incident 19810221019239I](https://openairdocs.org/incident/19810221019239I), Feb 21, 1981: Boeing 727295 (N1639), Chicago, IL. Nose gear locked down manually after crew reported it w ould not go completely down with normal system lubed.
- [Incident 19810209011069I](https://openairdocs.org/incident/19810209011069I), Feb 9, 1981: Boeing 727295 (N1639), Chicago, IL. Unsafe nose gear extension. Maintenance found a broken wire at the downlock switch clamp.

## 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 Curtiss Wright JN4C aircraft: https://openairdocs.org/model/curtiss-wright-jn4c/aircraft.md

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