# N4640L: 1966 Cessna 172G, registration cancelled 2018-02-07

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: February 7, 2018
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Cessna 172G](https://openairdocs.org/model/cessna-172g) (registry code 2072420)
- Engine: [Continental 0-300 series](https://openairdocs.org/engine/continental-0-300-series) (registry code 17022)
- Data sheets: [TCDS 3A12](https://openairdocs.org/tcds/3A12), [TCDS E-253](https://openairdocs.org/tcds/E-253) (OpenAirDocs)
- Serial number: 17254635
- Year built: 1966
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal, utility
- Airworthiness date: May 24, 1966
- Certificate issued: September 23, 2004
- Last registry action: April 9, 2012
- Mode S code: A5AADA
- Owners when cancelled: [Brown Jayann](https://openairdocs.org/faa-owner/BROWN%20JAYANN), [Brown Brian T](https://openairdocs.org/faa-owner/BROWN%20BRIAN%20T)
- Location: [Wilton, CA](https://openairdocs.org/faa-place/CA/Wilton)
- Owner type: Co-owned
- Owner's area on the map: 38.3985° N, 121.2195° W: Placed by OpenAirDocs at the center of ZIP code 95693, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4640L
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4640L
- Page: https://openairdocs.org/deregistered/N4640L-2018-02-07

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 172G: https://openairdocs.org/model/cessna-172g.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 WPR12LA231](https://openairdocs.org/ntsb/WPR12LA231), May 27, 2012: Cessna 172G (N4640L), Silver City, ID, substantial damage. Probable cause: The pilot‘s failure to maintain airspeed while maneuvering in mountainous terrain with reduced visibility, which resulted in an aerodynamic stall.

## 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 20120526008899A](https://openairdocs.org/incident/20120526008899A), May 26, 2012: Cessna 172G (N4640L), Silver City, ID, Substantial damage. On may 26, 2010, about 2150 mountain daylight time, a Cessna 172G, N4640L, collided withmountainous terrain while maneuvering about five miles southeast of…

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