# N31BF: 2014 Bryan R Fair CALIDUS

- Status: Valid registration
- Airframe: [Bryan R Fair CALIDUS](https://openairdocs.org/model/bryan-r-fair-calidus) (registry code 05633QN, 2 seats)
- Engine: [Rotax 912ULS series](https://openairdocs.org/engine/rotax-912uls-series) (registry code 55572)
- Serial number: C00330
- Year built: 2014
- Type: Rotorcraft
- Engine type: 4 cycle
- Kit: Autogyro USA LLC CALIDUS
- Airworthiness: Experimental, amateur built
- Airworthiness date: September 10, 2014
- Certificate issued: August 6, 2014
- Expires: August 31, 2027
- Mode S code: A34497
- Registered owner: [Fair Bryan R](https://openairdocs.org/faa-owner/FAIR%20BRYAN%20R)
- Location: [Rhome, TX](https://openairdocs.org/faa-place/TX/Rhome)
- Owner type: Individual
- Owner's area on the map: 33.0930° N, 97.4626° W: Placed by OpenAirDocs at the center of ZIP code 76078, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=31BF
- Page: https://openairdocs.org/aircraft/N31BF

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 (Bryan R Fair CALIDUS)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N31BF.

## FAA accident and incident reports

None matched to N31BF.

## 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 N31BF

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N31BF before.

- [Cancelled 2010-08-31](https://openairdocs.org/deregistered/N31BF-2010-08-31): S.O.C.A.T.A. MS894A, S/N 11682, built 1971. Owner: [Bullard Fred Jr](https://openairdocs.org/faa-owner/BULLARD%20FRED%20JR), [Oswego, NY](https://openairdocs.org/faa-place/NY/Oswego)

## Related

- Other Bryan R Fair CALIDUS aircraft: https://openairdocs.org/model/bryan-r-fair-calidus/aircraft.md
- The Rotax 912ULS series engine: https://openairdocs.org/engine/rotax-912uls-series.md

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