# N405UM: 2011 Mott Robert L RANS S-7S

- Status: Valid registration
- Airframe: [Mott Robert L RANS S-7S](https://openairdocs.org/model/mott-robert-l-rans-s-7s) (registry code 05629M9, 2 seats)
- Engine: [Rotax 912ULS series](https://openairdocs.org/engine/rotax-912uls-series) (registry code 55572)
- Serial number: 0506436
- Year built: 2011
- Type: Fixed wing single engine
- Engine type: 4 cycle
- Kit: Rans Inc S7-S
- Airworthiness: Experimental, amateur built
- Airworthiness date: March 1, 2011
- Certificate issued: March 11, 2010
- Expires: December 31, 2029
- Mode S code: A4C102
- Registered owners: [Mott Robert L](https://openairdocs.org/faa-owner/MOTT%20ROBERT%20L), [Mott Janet A](https://openairdocs.org/faa-owner/MOTT%20JANET%20A)
- Location: [Roseburg, OR](https://openairdocs.org/faa-place/OR/Roseburg)
- Owner type: Co-owned
- Owner's area on the map: 43.2191° N, 123.4879° W: Placed by OpenAirDocs at the center of ZIP code 97471, within about 8 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=405UM
- Page: https://openairdocs.org/aircraft/N405UM

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 (Mott Robert L 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 N405UM.

## FAA accident and incident reports

None matched to N405UM.

## 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 Mott Robert L RANS S-7S aircraft: https://openairdocs.org/model/mott-robert-l-rans-s-7s/aircraft.md
- The Rotax 912ULS series engine: https://openairdocs.org/engine/rotax-912uls-series.md

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