# N599YY: 2019 James E Davidson JR RANS S-7S COURIER

- Status: Valid registration
- Airframe: [James E Davidson JR RANS S-7S COURIER](https://openairdocs.org/model/james-e-davidson-jr-rans-s-7s-courier) (registry code 05637M0, 2 seats)
- Engine: [Ulpower UL350IS](https://openairdocs.org/engine/ulpower-ul350is) (registry code 62000)
- Serial number: 0510343
- Year built: 2019
- Type: Fixed wing single engine
- Engine type: 4 cycle
- Kit: Rans Designs Inc S-7S
- Airworthiness: Experimental, amateur built
- Airworthiness date: April 24, 2019
- Certificate issued: May 29, 2018
- Expires: May 31, 2028
- Mode S code: A7C113
- Registered owner: [Davidson James E Jr](https://openairdocs.org/faa-owner/DAVIDSON%20JAMES%20E%20JR)
- Location: [Whitehall, MT](https://openairdocs.org/faa-place/MT/Whitehall)
- Owner type: Individual
- Owner's area on the map: 45.8452° N, 112.1659° W: Placed by OpenAirDocs at the center of ZIP code 59759, within about 12 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=599YY
- Page: https://openairdocs.org/aircraft/N599YY

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 (James E Davidson JR RANS S-7S COURIER)

None in force.

### Matched by engine (Ulpower UL350IS)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB WPR24LA130](https://openairdocs.org/ntsb/WPR24LA130), Apr 22, 2024: James E Davidson JR Rans S-7S Courier (N599YY), Benson, AZ, substantial damage. Probable cause: The pilot’s unintentional use of a winter-blend fuel that was susceptible to vaporization, which resulted in fuel starvation and a loss of engine power due to vapor lock. Contributing to the accident…

## 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.

- [Accident 20240422011069A](https://openairdocs.org/incident/20240422011069A), Apr 22, 2024: James E Davidson Jr RANS S-7S COURIER (N599YY), Benson, AZ, Substantial damage. The aircraft lost fuel pressure several minutes after takeoff. The pilot (who is also the mechanic for the aircraft) made an emergency landing in the desert…

## 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 James E Davidson JR RANS S-7S COURIER aircraft: https://openairdocs.org/model/james-e-davidson-jr-rans-s-7s-courier/aircraft.md
- The Ulpower UL350IS engine: https://openairdocs.org/engine/ulpower-ul350is.md

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