# N1689: 2002 Cosmos BISON

- Status: Valid registration
- Airframe: [Cosmos BISON](https://openairdocs.org/model/cosmos-bison) (registry code 05901K8, 2 seats)
- Engine: [Rotax 503 DCDI](https://openairdocs.org/engine/rotax-503-dcdi) (registry code 55566)
- Serial number: CB 1149
- Year built: 2002
- Type: Weight-shift-control
- Engine type: 2 cycle
- Airworthiness: Experimental, registered before 01/31/08
- Airworthiness date: November 8, 2007
- Certificate issued: August 21, 2007
- Expires: January 31, 2028
- Mode S code: A112F9
- Registered owner: [Defreece Tony](https://openairdocs.org/faa-owner/DEFREECE%20TONY)
- Location: [Battle Ground, WA](https://openairdocs.org/faa-place/WA/Battle%20Ground)
- Owner type: Individual
- Owner's area on the map: 45.8058° N, 122.5108° W: Placed by OpenAirDocs at the center of ZIP code 98604, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=1689
- Page: https://openairdocs.org/aircraft/N1689

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 BISON)

None in force.

### Matched by engine (Rotax 503 DCDI)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N1689.

## FAA accident and incident reports

None matched to N1689.

## 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 N1689

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N1689 before.

- [Cancelled 1992-10-19](https://openairdocs.org/deregistered/N1689-1992-10-19): Thompson PITTS SPECIAL, S/N 100. Owner: [Orangeburg, NY](https://openairdocs.org/faa-place/NY/Orangeburg)
- [Cancelled 1936-09-18](https://openairdocs.org/deregistered/N1689-1936-09-18): Swallow SWALLOW, S/N 872, built 1927. Owner: [Carter Marvin](https://openairdocs.org/faa-owner/CARTER%20MARVIN), [Indianapolis, IN](https://openairdocs.org/faa-place/IN/Indianapolis)

## Related

- Other Cosmos BISON aircraft: https://openairdocs.org/model/cosmos-bison/aircraft.md
- The Rotax 503 DCDI engine: https://openairdocs.org/engine/rotax-503-dcdi.md

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