# N977MW: Whiting Matthew S S-21 OUTBOUND

- Status: Assigned (non-type certificated), pending cancellation
- Airframe: [Whiting Matthew S S-21 OUTBOUND](https://openairdocs.org/model/whiting-matthew-s-s-21-outbound) (registry code 05643WK, 2 seats)
- Serial number: 06200115
- Type: Fixed wing single engine
- Engine type: 4 cycle
- Kit: Rans Designs Inc S-21 OUTBOUND
- Mode S code: AD9ECE
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=977MW
- Page: https://openairdocs.org/aircraft/N977MW

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 (Whiting Matthew S S-21 OUTBOUND)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N977MW.

## FAA accident and incident reports

None matched to N977MW.

## 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 Whiting Matthew S S-21 OUTBOUND aircraft: https://openairdocs.org/model/whiting-matthew-s-s-21-outbound/aircraft.md

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