# N40DH: Steiner Harold A RV-4

- Status: Valid registration
- Airframe: [Steiner Harold A RV-4](https://openairdocs.org/model/steiner-harold-a-rv-4) (registry code 056084U, 2 seats)
- Serial number: 1277
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Certificate issued: April 4, 2023
- Expires: April 30, 2030
- Mode S code: A4AA9B
- Registered owner: [Gilbert Michael J](https://openairdocs.org/faa-owner/GILBERT%20MICHAEL%20J)
- Location: [Louisville, KY](https://openairdocs.org/faa-place/KY/Louisville)
- Owner type: Individual
- Owner's area on the map: 38.2170° N, 85.7377° W: Placed by OpenAirDocs at the center of ZIP code 40217, 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=40DH
- Page: https://openairdocs.org/aircraft/N40DH

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 (Steiner Harold A RV-4)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N40DH.

## FAA accident and incident reports

None matched to N40DH.

## 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.

## Earlier aircraft with N40DH

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N40DH before.

- [Cancelled 1983-02-28](https://openairdocs.org/deregistered/N40DH-1983-02-28): Dehavilland DH82A, S/N N6642, built 1971. Exported to United Kingdom. Owner: [Dickerson Jan](https://openairdocs.org/faa-owner/DICKERSON%20JAN), [Ofallon, IL](https://openairdocs.org/faa-place/IL/Ofallon)

## Related

- Other Steiner Harold A RV-4 aircraft: https://openairdocs.org/model/steiner-harold-a-rv-4/aircraft.md

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