# N145W: 2003 Cosmos PHASE II

- Status: Valid registration
- Airframe: [Cosmos PHASE II](https://openairdocs.org/model/cosmos-phase-ii) (registry code 059003U, 2 seats)
- Engine: [Rotax SEE BOMBADIER](https://openairdocs.org/engine/rotax-see-bombadier) (registry code 55555)
- Serial number: B0380
- Year built: 2003
- Type: Weight-shift-control
- Engine type: 2 cycle
- Airworthiness: Experimental, registered before 01/31/08
- Airworthiness date: December 21, 2005
- Certificate issued: January 7, 2009
- Expires: September 30, 2029
- Mode S code: A0B737
- Registered owner: [Sumner Robert J](https://openairdocs.org/faa-owner/SUMNER%20ROBERT%20J)
- Location: [La Pine, OR](https://openairdocs.org/faa-place/OR/La%20Pine)
- Owner type: Individual
- Owner's area on the map: 43.6725° N, 121.4882° W: Placed by OpenAirDocs at the center of ZIP code 97739, within about 10 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=145W
- Page: https://openairdocs.org/aircraft/N145W

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 (Cosmos PHASE II)

None in force.

### Matched by engine (Rotax SEE BOMBADIER)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB WPR26LA175](https://openairdocs.org/ntsb/WPR26LA175), May 2, 2026: Cosmos Phase II (N145W), Prineville, OR, substantial damage. Probable cause: The pilot's inability to maintain directional control during the landing roll due to a flat tire.

## 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.

- [Accident 20260502010689A](https://openairdocs.org/incident/20260502010689A), May 2, 2026: Cosmos PHASE II (N145W), Prineville, OR, Substantial damage. During landing and near the ground, with ASOS reported calm winds, the pilot stated that he seemed to be experiencing a tail wind. He noticed that we was about…

## Reports on N145W not matched to an aircraft (1)

They name N145W, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [Incident 19901220062899I](https://openairdocs.org/incident/19901220062899I), Dec 20, 1990: Amd FALCON900 (N145W), Mcminnville, OR, Minor damage. Pilot landed short on a snow covereed runway. Thought he had landed on runway.

## 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 N145W

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N145W before.

- [Cancelled 1934-02-15](https://openairdocs.org/deregistered/N145W-1934-02-15): Douglas DOLPHIN 8, S/N 1-A-703. Owner: [Douglas Aircraft Co Inc](https://openairdocs.org/faa-owner/DOUGLAS%20AIRCRAFT%20CO%20INC), [Santa Monica, CA](https://openairdocs.org/faa-place/CA/Santa%20Monica)

## Related

- Other Cosmos PHASE II aircraft: https://openairdocs.org/model/cosmos-phase-ii/aircraft.md
- The Rotax SEE BOMBADIER engine: https://openairdocs.org/engine/rotax-see-bombadier.md

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