# N509DH: 2018 Harold Stockman RANS S-7S

- Status: Valid registration
- Airframe: [Harold Stockman RANS S-7S](https://openairdocs.org/model/harold-stockman-rans-s-7s) (registry code 05637RY, 2 seats)
- Engine: [Rotax 912ULS series](https://openairdocs.org/engine/rotax-912uls-series) (registry code 55572)
- Serial number: 0116626
- Year built: 2018
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Rans Designs Inc RANS S-7S
- Airworthiness: Experimental, amateur built
- Airworthiness date: July 7, 2018
- Certificate issued: June 18, 2018
- Expires: June 30, 2028
- Mode S code: A65BB2
- Registered owner: [Stockman Harold O](https://openairdocs.org/faa-owner/STOCKMAN%20HAROLD%20O)
- Location: [Elko, NV](https://openairdocs.org/faa-place/NV/Elko)
- Owner type: Individual
- Owner's area on the map: 41.1650° N, 115.7572° W: Placed by OpenAirDocs at the center of ZIP code 89801, within about 20 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=509DH
- Page: https://openairdocs.org/aircraft/N509DH

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. The registry lists only the engine series, so ADs for every Rotax 912ULS model are included.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (Harold Stockman RANS S-7S)

None in force.

### Matched by engine (Rotax 912ULS series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N509DH.

## 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 20230420005209I](https://openairdocs.org/incident/20230420005209I), Apr 20, 2023: Harold Stockman RANS S-7S (N509DH), Elko, NV, Minor damage. Pilot stated his aircraft suffered an engine failure shortly after takeoff at approximately 75 feet AGL due to possible oil starvation and was forced to…

## 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 Harold Stockman RANS S-7S aircraft: https://openairdocs.org/model/harold-stockman-rans-s-7s/aircraft.md
- The Rotax 912ULS series engine: https://openairdocs.org/engine/rotax-912uls-series.md

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