# N6405Q: Mooney M20C, registration cancelled 1997-03-03

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 3, 1997
- Status when cancelled: Triennial form not returned
- Airframe: [Mooney M20C](https://openairdocs.org/model/mooney-m20c) (registry code 5870208)
- Data sheets: [TCDS 2A3](https://openairdocs.org/tcds/2A3) (OpenAirDocs)
- Serial number: 670145
- Type of aircraft: Fixed wing single engine
- Certificate issued: December 2, 1993
- Last registry action: December 18, 1996
- Mode S code: A86851
- Owner when cancelled: [Hellner John F Jr](https://openairdocs.org/faa-owner/HELLNER%20JOHN%20F%20JR)
- Location: [Simi Valley, CA](https://openairdocs.org/faa-place/CA/Simi%20Valley)
- Owner type: Individual
- Owner's area on the map: 34.2624° N, 118.7722° W: Placed by OpenAirDocs at the center of ZIP code 93065, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N6405Q
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=6405Q
- Page: https://openairdocs.org/deregistered/N6405Q-1997-03-03

From the FAA registry file of November 3, 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 M20C: https://openairdocs.org/model/mooney-m20c.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 LAX94LA055](https://openairdocs.org/ntsb/LAX94LA055), Nov 21, 1993: Mooney M20B (N6405Q), Santa Paula, CA, substantial damage. Probable cause: THE PILOT'S FAILURE TO FOLLOW PROPER PROCEDURES/DIRECTIVES PROHIBITING NIGHT OPERATIONS AT THE AIRPORT AND FAILURE TO MAINTAIN THE PROPER GLIDEPATH. THE PILOT'S DIVERTED ATTENTION WAS A FACTOR IN…

## 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.

- [Accident 19931120047249A](https://openairdocs.org/incident/19931120047249A), Nov 20, 1993: Mooney M20C (N6405Q), Santa Paula, CA, Substantial damage. Tried land home airport sans runway lights. Distracted by vehicles on border road. Low, hit power pole guy wire.

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