# N421TS: 2023 Parker Thomas B TANARG NEO

- Status: Valid registration
- Airframe: [Parker Thomas B TANARG NEO](https://openairdocs.org/model/parker-thomas-b-tanarg-neo) (registry code 056415Y, 2 seats)
- Engine: [Rotax 912ULS series](https://openairdocs.org/engine/rotax-912uls-series) (registry code 55572)
- Serial number: T22039
- Year built: 2023
- Type: Weight-shift-control
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: December 12, 2023
- Certificate issued: November 14, 2023
- Expires: November 30, 2030
- Mode S code: A50110
- Registered owner: [Parker Thomas B](https://openairdocs.org/faa-owner/PARKER%20THOMAS%20B)
- Location: [Amherst, NH](https://openairdocs.org/faa-place/NH/Amherst)
- Owner type: Individual
- Owner's area on the map: 42.8748° N, 71.6005° W: Placed by OpenAirDocs at the center of ZIP code 03031, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=421TS
- Page: https://openairdocs.org/aircraft/N421TS

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 (Parker Thomas B TANARG NEO)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N421TS.

## FAA accident and incident reports

None matched to N421TS.

## 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.

## Earlier aircraft with N421TS

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N421TS before.

- [Cancelled 1991-07-17](https://openairdocs.org/deregistered/N421TS-1991-07-17): Cessna 421C, S/N 421C0214. Exported to Germany. Owner: [Global Air Svc Inc](https://openairdocs.org/faa-owner/GLOBAL%20AIR%20SVC%20INC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington)

## Related

- Other Parker Thomas B TANARG NEO aircraft: https://openairdocs.org/model/parker-thomas-b-tanarg-neo/aircraft.md
- The Rotax 912ULS series engine: https://openairdocs.org/engine/rotax-912uls-series.md

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