# N3766M: Mark Millis CALIDUS

- Status: Valid registration
- Airframe: [Mark Millis CALIDUS](https://openairdocs.org/model/mark-millis-calidus) (registry code 05634G6, 2 seats)
- Serial number: C00387
- Type: Rotorcraft
- Engine type: 4 cycle
- Kit: Autogyro Gmbh CALIDUS
- Certificate issued: July 20, 2015
- Expires: July 31, 2028
- Mode S code: A44D4B
- Registered owner: [Millis Mark](https://openairdocs.org/faa-owner/MILLIS%20MARK)
- Location: [Richmond, TX](https://openairdocs.org/faa-place/TX/Richmond)
- Owner type: Individual
- Owner's area on the map: 29.4914° N, 95.7021° W: Placed by OpenAirDocs at the center of ZIP code 77469, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=3766M
- Page: https://openairdocs.org/aircraft/N3766M

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 (Mark Millis CALIDUS)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N3766M.

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 20160423004929I](https://openairdocs.org/incident/20160423004929I), Apr 23, 2016: Experimental CALIDUS (N3766M), Richmond, TX, Minor damage. The pilot was giving a friend a ride in the gyrocopter. The pilot stated that he wanted to show his fried his house and made a low approach to his runway. He…

## 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 N3766M

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N3766M before.

- [Cancelled 1976-04-01](https://openairdocs.org/deregistered/N3766M-1976-04-01): Piper PA-12, S/N 12-2698, built 1947. Exported to Canada. Owner: [Ultimate Flying Service](https://openairdocs.org/faa-owner/ULTIMATE%20FLYING%20SERVICE), [Troy, MI](https://openairdocs.org/faa-place/MI/Troy)

## Related

- Other Mark Millis CALIDUS aircraft: https://openairdocs.org/model/mark-millis-calidus/aircraft.md

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