# N1780C: 2004 Earthstar Acft JD

- Status: Valid registration
- Airframe: [Earthstar Acft JD](https://openairdocs.org/model/earthstar-acft-jd) (registry code 05903JL, 1 seats)
- Engine: [Rotax 503 DCDI](https://openairdocs.org/engine/rotax-503-dcdi) (registry code 55566)
- Serial number: 22
- Year built: 2004
- Type: Fixed wing single engine
- Engine type: 2 cycle
- Airworthiness: Experimental, registered before 01/31/08
- Airworthiness date: December 10, 2007
- Certificate issued: August 24, 2007
- Expires: February 29, 2028
- Mode S code: A13940
- Registered owner: [Bonkowski David J](https://openairdocs.org/faa-owner/BONKOWSKI%20DAVID%20J)
- Location: [Portland, OR](https://openairdocs.org/faa-place/OR/Portland)
- Owner type: Individual
- Owner's area on the map: 45.4816° N, 122.5983° W: Placed by OpenAirDocs at the center of ZIP code 97206, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=1780C
- Page: https://openairdocs.org/aircraft/N1780C

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 (Earthstar Acft JD)

None in force.

### Matched by engine (Rotax 503 DCDI)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N1780C.

## FAA accident and incident reports

None matched to N1780C.

## 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 N1780C

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N1780C before.

- [Cancelled 1973-10-24](https://openairdocs.org/deregistered/N1780C-1973-10-24): Cessna 172M, S/N 17262184. Exported to Japan. Owner: [Cessna Aircraft Company](https://openairdocs.org/faa-owner/CESSNA%20AIRCRAFT%20COMPANY), [Wichita, KS](https://openairdocs.org/faa-place/KS/Wichita)

## Related

- Other Earthstar Acft JD aircraft: https://openairdocs.org/model/earthstar-acft-jd/aircraft.md
- The Rotax 503 DCDI engine: https://openairdocs.org/engine/rotax-503-dcdi.md

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