# N733MQ: 1976 Cessna 172N, registration cancelled 2013-05-07

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 7, 2013
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Cessna 172N](https://openairdocs.org/model/cessna-172n) (registry code 2072434)
- Engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508)
- Data sheets: [TCDS 3A12](https://openairdocs.org/tcds/3A12), [TCDS E-274](https://openairdocs.org/tcds/E-274) (OpenAirDocs)
- Serial number: 17268400
- Year built: 1976
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal, utility
- Airworthiness date: December 29, 1976
- Certificate issued: May 12, 1986
- Last registry action: September 9, 1989
- Mode S code: A9D752
- Owners when cancelled: [Gottfredson Ken D](https://openairdocs.org/faa-owner/GOTTFREDSON%20KEN%20D), [Gottfredson Dorothy W](https://openairdocs.org/faa-owner/GOTTFREDSON%20DOROTHY%20W)
- Location: [Palo Alto, CA](https://openairdocs.org/faa-place/CA/Palo%20Alto)
- Owner type: Co-owned
- Owner's area on the map: 37.4162° N, 122.1309° W: Placed by OpenAirDocs at the center of ZIP code 94306, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N733MQ
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=733MQ
- Page: https://openairdocs.org/deregistered/N733MQ-2013-05-07

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 Cessna 172N: https://openairdocs.org/model/cessna-172n.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 LAX91LA157](https://openairdocs.org/ntsb/LAX91LA157), Apr 5, 1991: Cessna 172N (N733MQ), Stockton, CA, substantial damage. Probable cause: THE INSTALLATION BY MAINTENANCE PERSONNEL OF AN INCORRECT GASKET THAT RESULTED IN THE LOSS OF THE ENGINE MAGNETO.

## 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 19910404009099A](https://openairdocs.org/incident/19910404009099A), Apr 4, 1991: Cessna 172N (N733MQ), Stockton, CA, Substantial damage. Engine quit on night training flight. Nosed over landing. Dual single shaft mag fell off engine, wrong gasket used.

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