# N450TW: 1989 Andersen Theodore L TAPERWING TA1

- Status: Valid registration
- Airframe: [Andersen Theodore L TAPERWING TA1](https://openairdocs.org/model/andersen-theodore-l-taperwing-ta1) (registry code 05612JC, 2 seats)
- Engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008)
- Serial number: TA1
- Year built: 1989
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: March 23, 2026
- Certificate issued: November 20, 2018
- Expires: November 30, 2028
- Mode S code: A573DA
- Registered owner: [Coleman Nicholas D](https://openairdocs.org/faa-owner/COLEMAN%20NICHOLAS%20D)
- Location: [Taylorsville, KY](https://openairdocs.org/faa-place/KY/Taylorsville)
- Owner type: Individual
- Owner's area on the map: 38.0427° N, 85.3790° W: Placed by OpenAirDocs at the center of ZIP code 40071, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=450TW
- Page: https://openairdocs.org/aircraft/N450TW

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 Pratt & Whitney R-985 model are included.

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

### Matched by airframe (Andersen Theodore L TAPERWING TA1)

None in force.

### Matched by engine (Pratt & Whitney R-985 series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N450TW.

## 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.

- [Incident 20260417005609I](https://openairdocs.org/incident/20260417005609I), Apr 17, 2026: Andersen Theodore L TAPERWING TA1 (N450TW), Louisville, KY, Minor damage. On April 17, 2026, the aircraft was performing aerobatic maneuvers during a practice session of the airshow when the overhead canopy departed the aircraft. The…

## 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 Andersen Theodore L TAPERWING TA1 aircraft: https://openairdocs.org/model/andersen-theodore-l-taperwing-ta1/aircraft.md
- The Pratt & Whitney R-985 series engine: https://openairdocs.org/engine/pratt-whitney-r-985-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.