# N9646M: 1966 Mooney M20F, registration cancelled 2017-11-21

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: November 21, 2017
- Status when cancelled: Revoked, canceled
- Airframe: [Mooney M20F](https://openairdocs.org/model/mooney-m20f) (registry code 5870214)
- Engine: [Lycoming I0360 series](https://openairdocs.org/engine/lycoming-i0360-series) (registry code 41515)
- Data sheets: [TCDS 2A3](https://openairdocs.org/tcds/2A3), [TCDS 1E10](https://openairdocs.org/tcds/1E10) (OpenAirDocs)
- Serial number: 670223
- Year built: 1966
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard
- Certificate issued: June 6, 1968
- Last registry action: January 14, 1977
- Mode S code: AD6E38
- Owners when cancelled: [Houtz Ron  Ptnr](https://openairdocs.org/faa-owner/HOUTZ%20RON%20%20PTNR), [Houtz May K](https://openairdocs.org/faa-owner/HOUTZ%20MAY%20K)
- Location: [Billings, MT](https://openairdocs.org/faa-place/MT/Billings)
- Owner type: Partnership
- Owner's area on the map: 46.3602° N, 105.8675° W: Placed by OpenAirDocs at the center of ZIP code 59301, within about 30 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N9646M
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9646M
- Page: https://openairdocs.org/deregistered/N9646M-2017-11-21

From the FAA registry file of October 29, 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 M20F: https://openairdocs.org/model/mooney-m20f.md

## 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 SEA71FDG16](https://openairdocs.org/ntsb/SEA71FDG16), Oct 30, 1970: Mooney M20F (N9646M), Cameron, MT, substantial damage

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