# N6789U: 1963 Mooney M20D, registration cancelled 2006-02-28

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: February 28, 2006
- Status when cancelled: Triennial form not returned
- Airframe: [Mooney M20D](https://openairdocs.org/model/mooney-m20d) (registry code 5870210)
- Engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514)
- Data sheets: [TCDS 2A3](https://openairdocs.org/tcds/2A3) (OpenAirDocs)
- Serial number: 175
- Year built: 1963
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: May 30, 1963
- Certificate issued: January 29, 2003
- Last registry action: January 17, 2006
- Mode S code: A8FD16
- Owner when cancelled: [Poston Daniel A](https://openairdocs.org/faa-owner/POSTON%20DANIEL%20A)
- Location: [Lakeway, TX](https://openairdocs.org/faa-place/TX/Lakeway)
- Owner type: Individual
- Owner's area on the map: 30.3801° N, 97.9480° W: Placed by OpenAirDocs at the center of ZIP code 78734, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N6789U
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=6789U
- Page: https://openairdocs.org/deregistered/N6789U-2006-02-28

From the FAA registry file of October 31, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Mooney M20D: https://openairdocs.org/model/mooney-m20d.md

## 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 19830517028829I](https://openairdocs.org/incident/19830517028829I), May 17, 1983: Mooney M20D (N6789U), Middletown, PA, Substantial damage. Landing gear collapsed while taxiing for takeoff. Down lock on gear handle stiff. Pilot failed to notice unlock.

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