# N137AP: 2008 Apollo MONSOON

- Status: Valid registration
- Airframe: [Apollo MONSOON](https://openairdocs.org/model/apollo-monsoon) (registry code 060005R, 2 seats)
- Engine: [Rotax 912ULS series](https://openairdocs.org/engine/rotax-912uls-series) (registry code 55572)
- Serial number: 00009
- Year built: 2008
- Type: Weight-shift-control
- Engine type: 4 cycle
- Airworthiness: Light sport, weight-shift control
- Airworthiness date: June 8, 2022
- Certificate issued: August 22, 2024
- Expires: August 31, 2031
- Mode S code: A09540
- Registered owner: [Mcdougall Robert A](https://openairdocs.org/faa-owner/MCDOUGALL%20ROBERT%20A)
- Location: [Seattle, WA](https://openairdocs.org/faa-place/WA/Seattle)
- Owner type: Individual
- Owner's area on the map: 47.7169° N, 122.3006° W: Placed by OpenAirDocs at the center of ZIP code 98125, 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=137AP
- Page: https://openairdocs.org/aircraft/N137AP

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 (Apollo MONSOON)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N137AP.

## FAA accident and incident reports

None matched to N137AP.

## 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 Apollo MONSOON aircraft: https://openairdocs.org/model/apollo-monsoon/aircraft.md
- The Rotax 912ULS series engine: https://openairdocs.org/engine/rotax-912uls-series.md

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