# N53NM: 2001 Schaefer John F SONEX

- Status: Valid registration
- Airframe: [Schaefer John F SONEX](https://openairdocs.org/model/schaefer-john-f-sonex) (registry code 0561159, 2 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 53
- Year built: 2001
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: December 6, 2001
- Certificate issued: January 19, 2007
- Expires: April 30, 2029
- Mode S code: A6AF4C
- Registered owner: [Foster Lemuel E](https://openairdocs.org/faa-owner/FOSTER%20LEMUEL%20E)
- Location: [Vancouver, WA](https://openairdocs.org/faa-place/WA/Vancouver)
- Owner type: Individual
- Owner's area on the map: 45.6306° N, 122.5148° W: Placed by OpenAirDocs at the center of ZIP code 98684, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=53NM
- Page: https://openairdocs.org/aircraft/N53NM

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 (Schaefer John F SONEX)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N53NM.

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 20020222003429I](https://openairdocs.org/incident/20020222003429I), Feb 22, 2002: Amtr SONEX (N53NM), Tularosa, NM, Minor damage. (-23) History of flight: on February 22, 2002 at approx. 1245 MST, a Sonex homebuilt, N53NM owned by john schaefer, [privacy data omitted] during cruise at…

## 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 Schaefer John F SONEX aircraft: https://openairdocs.org/model/schaefer-john-f-sonex/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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