# N21679: 2004 Cessna 172S, registration cancelled 2015-12-29

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: December 29, 2015
- Status when cancelled: Valid registration
- Airframe: [Cessna 172S](https://openairdocs.org/model/cessna-172s) (registry code 2072439)
- Engine: [Lycoming IO-360-L2A](https://openairdocs.org/engine/lycoming-io-360-l2a) (registry code 41597)
- Data sheets: [TCDS 3A12](https://openairdocs.org/tcds/3A12), [TCDS 1E10](https://openairdocs.org/tcds/1E10) (OpenAirDocs)
- Serial number: 172S9648
- Year built: 2004
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal, utility
- Airworthiness date: June 1, 2004
- Certificate issued: June 4, 2007
- Last registry action: April 19, 2014
- Mode S code: A1D33B
- Owner when cancelled: [Air Thomo LLC](https://openairdocs.org/faa-owner/AIR%20THOMO%20LLC)
- Location: [San Jose, CA](https://openairdocs.org/faa-place/CA/San%20Jose)
- Owner type: Corporation
- Owner's area on the map: 37.2455° N, 121.7486° W: Placed by OpenAirDocs at the center of ZIP code 95138, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N21679
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=21679
- Page: https://openairdocs.org/deregistered/N21679-2015-12-29

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 Cessna 172S: https://openairdocs.org/model/cessna-172s.md

## Service difficulty reports (2)

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR 2015FA0000603](https://openairdocs.org/sdr/2015FA0000603), Nov 5, 2015: MAGNETO. OUT OF ADJUST. MAGNETOS WERE INSTALLED ON 8/27/2015. INSTALL TACH 4455.9. DURING FIRST 100 HR INSPECTION, BOTH MAGNETOS WERE FOUND TO BE 8 DEGREES ADVANCED. BOTH WERE SET AT 3
- [SDR 2015FA0000602](https://openairdocs.org/sdr/2015FA0000602), Nov 5, 2015: MAGNETO. OUT OF ADJUST. MAGNETOS WERE INSTALLED ON 8/27/2015. INSTALL TACH 4455.9. DURING FIRST 100 HR INSPECTION, BOTH MAGNETOS WERE FOUND TO BE 8 DEGREES ADVANCED. BOTH WERE SET AT 3

## 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 WPR16LA024](https://openairdocs.org/ntsb/WPR16LA024), Nov 8, 2015: Cessna 172S (N21679), San Jose, CA, substantial damage. Probable cause: The pilot's failure to maintain directional control during the landing roll at night, which resulted in a runway excursion.

## 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 20151107024199A](https://openairdocs.org/incident/20151107024199A), Nov 7, 2015: Cessna 172S (N21679), San Jose, CA, Substantial damage. Aircraft landed on rwy 31R then lost control drifting off the runway into the grass, to the left, striking an airport sign and flipping over coming to rest on…

## Other aircraft with N21679

- [Cancelled 1998-02-03](https://openairdocs.org/deregistered/N21679-1998-02-03): Raytheon 1900D, S/N UE297. Exported to Canada. Owner: [Raytheon Aircraft Company](https://openairdocs.org/faa-owner/RAYTHEON%20AIRCRAFT%20COMPANY), [Wichita, KS](https://openairdocs.org/faa-place/KS/Wichita)

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