# N6661U: Mooney M20D, registration cancelled 1964-11-10

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: November 10, 1964
- Status when cancelled: Valid registration
- Airframe: [Mooney M20D](https://openairdocs.org/model/mooney-m20d) (registry code 5870210)
- Data sheets: [TCDS 2A3](https://openairdocs.org/tcds/2A3) (OpenAirDocs)
- Serial number: 156
- Type of aircraft: Fixed wing single engine
- Certificate issued: March 18, 1964
- Mode S code: A8CD11
- Owner when cancelled: [Rainbow Aviation Inc](https://openairdocs.org/faa-owner/RAINBOW%20AVIATION%20INC)
- Location: [Yuba City, CA](https://openairdocs.org/faa-place/CA/Yuba%20City)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N6661U
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=6661U
- Page: https://openairdocs.org/deregistered/N6661U-1964-11-10

From the FAA registry file of November 5, 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

## 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 UNK65X0166](https://openairdocs.org/ntsb/UNK65X0166), Oct 6, 1964: Mooney M20D (N6661U), Yuba City, CA, destroyed

## Other aircraft with N6661U

- [Cancelled 2015-05-05](https://openairdocs.org/deregistered/N6661U-2015-05-05): Piper PA-23-250, S/N 27-7305102. Registration expired, pending cancellation. Owner: [Atlantic Wings Inc](https://openairdocs.org/faa-owner/ATLANTIC%20WINGS%20INC), [Opa Locka, FL](https://openairdocs.org/faa-place/FL/Opa%20Locka)

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