# N1940: 1991 Higgs Donald Bernard PIETENPOL

- Status: Valid registration
- Airframe: [Higgs Donald Bernard PIETENPOL](https://openairdocs.org/model/higgs-donald-bernard-pietenpol) (registry code 704031S, 2 seats)
- Engine: [Ford CONVERSION](https://openairdocs.org/engine/ford-conversion) (registry code 26701)
- Serial number: 1
- Year built: 1991
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: April 15, 2020
- Certificate issued: December 10, 2022
- Expires: December 31, 2029
- Mode S code: A1795F
- Registered owner: [Laudani Alan A](https://openairdocs.org/faa-owner/LAUDANI%20ALAN%20A)
- Location: [Bay City, OR](https://openairdocs.org/faa-place/OR/Bay%20City)
- Owner type: Individual
- Owner's area on the map: 45.5604° N, 123.8874° W: Placed by OpenAirDocs at the center of ZIP code 97107, 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=1940
- Page: https://openairdocs.org/aircraft/N1940

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 (Higgs Donald Bernard PIETENPOL)

None in force.

### Matched by engine (Ford CONVERSION)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N1940.

## FAA accident and incident reports

None matched to N1940.

## 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.

## Service difficulty reports on N1940 not matched to an aircraft (2)

They name N1940, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [SDR AOQ2005F00001](https://openairdocs.org/sdr/AOQ2005F00001), Jun 8, 2005: OUTFLOW VALVE. DEFECTIVE. (REF: 1940060805JC) CLIMBING THROUGH 12,000 FEET, CABIN PRESSURE PANEL DISPLAYED A FAULT LIGHT. SIMULTANEOUSLY AN EMERGENCY PRESS LIGHT ILLUMINATED FOLLOWED BY 
- [SDR AOQ2002F00000](https://openairdocs.org/sdr/AOQ2002F00000), Jan 15, 2002: SQUAT SWITCH. FAILED. ON TAKEOFF CLIMB, LANDING GEAR FAILED TO RETRACT, TRANSPONDER DID NOT REPORT, CABIN FAILED TO PRESSURIZE. INSPECTED AND FOUND DEFECTIVE LEFT MAIN GEAR SQUAT SWI

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Earlier aircraft with N1940

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N1940 before.

- [Cancelled 1992-05-27](https://openairdocs.org/deregistered/N1940-1992-05-27): Kraemer Robert A REPLICA SPITFIRE MK1, S/N TWO9AJR82C. Triennial form not returned. Owner: [Kraemer Robert A](https://openairdocs.org/faa-owner/KRAEMER%20ROBERT%20A), [Chesterfield, MO](https://openairdocs.org/faa-place/MO/Chesterfield)
- [Cancelled 1951-07-12](https://openairdocs.org/deregistered/N1940-1951-07-12): Boeing SA-307B-1, S/N 1998, built 1940. Exported to France. Owner: [Trans World Airlines Inc](https://openairdocs.org/faa-owner/TRANS%20WORLD%20AIRLINES%20INC), [Kansas City, MO](https://openairdocs.org/faa-place/MO/Kansas%20City)

## Related

- Other Higgs Donald Bernard PIETENPOL aircraft: https://openairdocs.org/model/higgs-donald-bernard-pietenpol/aircraft.md
- The Ford CONVERSION engine: https://openairdocs.org/engine/ford-conversion.md

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