# N5607M: Cosmos PHASE II

- Status: Valid registration
- Airframe: [Cosmos PHASE II](https://openairdocs.org/model/cosmos-phase-ii) (registry code 059003U, 2 seats)
- Engine: [Rotax 503 series](https://openairdocs.org/engine/rotax-503-series) (registry code 55564)
- Serial number: TTCPII
- Type: Weight-shift-control
- Engine type: 2 cycle
- Airworthiness: Experimental, registered before 01/31/08
- Airworthiness date: March 31, 2008
- Certificate issued: September 20, 2021
- Expires: September 30, 2028
- Mode S code: A72A43
- Registered owner: [Dutton Bradley E](https://openairdocs.org/faa-owner/DUTTON%20BRADLEY%20E)
- Location: [Navarre, OH](https://openairdocs.org/faa-place/OH/Navarre)
- Owner type: Individual
- Owner's area on the map: 40.7110° N, 81.5551° W: Placed by OpenAirDocs at the center of ZIP code 44662, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=5607M
- Page: https://openairdocs.org/aircraft/N5607M

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 503 model are included.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (Cosmos PHASE II)

None in force.

### Matched by engine (Rotax 503 series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N5607M.

## FAA accident and incident reports

None matched to N5607M.

## 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 N5607M

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N5607M before.

- [Cancelled 1957-08-05](https://openairdocs.org/deregistered/N5607M-1957-08-05): Taylorcraft BC12D-85, S/N 12006. Owner: [Finholt George A](https://openairdocs.org/faa-owner/FINHOLT%20GEORGE%20A), [Spenard, AK](https://openairdocs.org/faa-place/AK/Spenard)

## Related

- Other Cosmos PHASE II aircraft: https://openairdocs.org/model/cosmos-phase-ii/aircraft.md
- The Rotax 503 series engine: https://openairdocs.org/engine/rotax-503-series.md

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
