# N739QW: Cessna 172N, registration cancelled 1999-12-15

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: December 15, 1999
- Status when cancelled: Triennial form not returned
- Airframe: [Cessna 172N](https://openairdocs.org/model/cessna-172n) (registry code 2072434)
- Data sheets: [TCDS 3A12](https://openairdocs.org/tcds/3A12) (OpenAirDocs)
- Serial number: 17270730
- Type of aircraft: Fixed wing single engine
- Certificate issued: May 28, 1993
- Last registry action: September 14, 1999
- Mode S code: A9EDED
- Owners when cancelled: [Alameda County Sheriffs Department](https://openairdocs.org/faa-owner/ALAMEDA%20COUNTY%20SHERIFFS%20DEPARTMENT), [County Of Alameda](https://openairdocs.org/faa-owner/COUNTY%20OF%20ALAMEDA)
- Location: [Oakland, CA](https://openairdocs.org/faa-place/CA/Oakland)
- Owner type: Government
- Owner's area on the map: 37.8077° N, 122.2669° W: Placed by OpenAirDocs at the center of ZIP code 94612, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N739QW
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=739QW
- Page: https://openairdocs.org/deregistered/N739QW-1999-12-15

From the FAA registry file of November 7, 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

## FAA accident and incident reports (3)

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 19970806021289A](https://openairdocs.org/incident/19970806021289A), Aug 6, 1997: Cessna 172N (N739QW), Oakland, CA, Substantial damage. Sheriffs aircraft reported a rough running engine immediately after takeoff and crashed into an estuary.
- [Incident 19920623026129I](https://openairdocs.org/incident/19920623026129I), Jun 23, 1992: Cessna 172N (N739QW), San Carlos, CA. Instructor aborted takeoff at 10 feet altitude. Student interfered with controls. Departed end of runway.
- [Incident 19890905048509I](https://openairdocs.org/incident/19890905048509I), Sep 5, 1989: Cessna 172N (N739QW), San Jose, CA, Minor damage. Lost directional control on rollout. Veered off runway onto another active runway. Passenger moved left lrudder.

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