# N521RD: 2021 Thomas L Agin RANS S-21

- Status: Valid registration
- Airframe: [Thomas L Agin RANS S-21](https://openairdocs.org/model/thomas-l-agin-rans-s-21) (registry code 05639Z0, 2 seats)
- Engine: [Titan IOX-340 SERIE](https://openairdocs.org/engine/titan-iox-340-serie) (registry code 59688)
- Serial number: 04200099
- Year built: 2021
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Rans Designs Inc S-21 OUTBOUND
- Airworthiness: Experimental, amateur built
- Airworthiness date: August 9, 2021
- Certificate issued: March 1, 2021
- Expires: March 31, 2028
- Mode S code: A68E20
- Registered owner: [Agin Thomas L](https://openairdocs.org/faa-owner/AGIN%20THOMAS%20L)
- Location: [Port Orange, FL](https://openairdocs.org/faa-place/FL/Port%20Orange)
- Owner type: Individual
- Owner's area on the map: 29.1007° N, 81.0718° W: Placed by OpenAirDocs at the center of ZIP code 32128, 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=521RD
- Page: https://openairdocs.org/aircraft/N521RD

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 (Thomas L Agin RANS S-21)

None in force.

### Matched by engine (Titan IOX-340 SERIE)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N521RD.

## FAA accident and incident reports

None matched to N521RD.

## 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 N521RD

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N521RD before.

- [Cancelled 2013-03-19](https://openairdocs.org/deregistered/N521RD-2013-03-19): Dean Daryle/Robert WAR F4U CORSAIR, S/N 52, built 1987. Registration expired, pending cancellation. Owner: [Dean Robert E](https://openairdocs.org/faa-owner/DEAN%20ROBERT%20E), [Waterproof, LA](https://openairdocs.org/faa-place/LA/Waterproof)

## Related

- Other Thomas L Agin RANS S-21 aircraft: https://openairdocs.org/model/thomas-l-agin-rans-s-21/aircraft.md
- The Titan IOX-340 SERIE engine: https://openairdocs.org/engine/titan-iox-340-serie.md

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