# N143SE: 2000 Cosmos PHASE II

- Status: Valid registration
- Airframe: [Cosmos PHASE II](https://openairdocs.org/model/cosmos-phase-ii) (registry code 059003U, 2 seats)
- Engine: [Rotax 582SER](https://openairdocs.org/engine/rotax-582ser) (registry code 55556)
- Serial number: B21445
- Year built: 2000
- Type: Weight-shift-control
- Engine type: 2 cycle
- Airworthiness: Experimental, registered before 01/31/08
- Airworthiness date: January 17, 2008
- Certificate issued: October 23, 2007
- Expires: August 31, 2028
- Mode S code: A0AF6A
- Registered owner: [Harter Chris D](https://openairdocs.org/faa-owner/HARTER%20CHRIS%20D)
- Location: [San Mateo, CA](https://openairdocs.org/faa-place/CA/San%20Mateo)
- Owner type: Individual
- Owner's area on the map: 37.5384° N, 122.3054° W: Placed by OpenAirDocs at the center of ZIP code 94403, 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=143SE
- Page: https://openairdocs.org/aircraft/N143SE

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 582SER)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N143SE.

## FAA accident and incident reports

None matched to N143SE.

## 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.

## Related

- Other Cosmos PHASE II aircraft: https://openairdocs.org/model/cosmos-phase-ii/aircraft.md
- The Rotax 582SER engine: https://openairdocs.org/engine/rotax-582ser.md

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