# N820TN: Thomas J Nault CALIDUS

- Status: Valid registration
- Airframe: [Thomas J Nault CALIDUS](https://openairdocs.org/model/thomas-j-nault-calidus) (registry code 05635OC, 2 seats)
- Engine: [Rotax 914UL](https://openairdocs.org/engine/rotax-914ul) (registry code 55553)
- Serial number: C00453
- Type: Rotorcraft
- Engine type: 4 cycle
- Kit: Autogyro Gmbh CALIDUS
- Airworthiness: Experimental, amateur built
- Airworthiness date: October 24, 2016
- Certificate issued: July 19, 2021
- Expires: July 31, 2028
- Mode S code: AB3291
- Registered owners: [Holcomb Eric R](https://openairdocs.org/faa-owner/HOLCOMB%20ERIC%20R), [Holcomb Whitney A](https://openairdocs.org/faa-owner/HOLCOMB%20WHITNEY%20A)
- Location: [Bountiful, UT](https://openairdocs.org/faa-place/UT/Bountiful)
- Owner type: Co-owned
- Owner's area on the map: 40.8732° N, 111.8351° W: Placed by OpenAirDocs at the center of ZIP code 84010, 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=820TN
- Page: https://openairdocs.org/aircraft/N820TN

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 J Nault CALIDUS)

None in force.

### Matched by engine (Rotax 914UL)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N820TN.

## FAA accident and incident reports

None matched to N820TN.

## 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 Thomas J Nault CALIDUS aircraft: https://openairdocs.org/model/thomas-j-nault-calidus/aircraft.md
- The Rotax 914UL engine: https://openairdocs.org/engine/rotax-914ul.md

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