# N40HM: 1953 Construcciones Aeronauticas C.A.S.A. 1.131E

- Status: Valid registration
- Airframe: [Construcciones Aeronauticas C.A.S.A. 1.131E](https://openairdocs.org/model/construcciones-aeronauticas-c-a-s-a-1-131e) (registry code 2410101, 2 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: E3B-525
- Year built: 1953
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, exhibition
- Airworthiness date: April 6, 1993
- Certificate issued: August 18, 1998
- Expires: January 31, 2028
- Mode S code: A4AB03
- Registered owner: [Sonoma Valley Aircraft Inc](https://openairdocs.org/faa-owner/SONOMA%20VALLEY%20AIRCRAFT%20INC)
- Location: [Vineburg, CA](https://openairdocs.org/faa-place/CA/Vineburg)
- Owner type: Corporation
- Owner's area on the map: 38.2724° N, 122.4386° W: Placed by OpenAirDocs: center of Vineburg, CA, 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=40HM
- Page: https://openairdocs.org/aircraft/N40HM

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 (Construcciones Aeronauticas C.A.S.A. 1.131E)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N40HM.

## FAA accident and incident reports

None matched to N40HM.

## 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 Construcciones Aeronauticas C.A.S.A. 1.131E aircraft: https://openairdocs.org/model/construcciones-aeronauticas-c-a-s-a-1-131e/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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