# N4539U: 1964 Cessna 150D, registration cancelled 2012-12-07

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: December 7, 2012
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Cessna 150D](https://openairdocs.org/model/cessna-150d) (registry code 2071810)
- Engine: [Continental 0-200 series](https://openairdocs.org/engine/continental-0-200-series) (registry code 17020)
- Data sheets: [TCDS 3A19](https://openairdocs.org/tcds/3A19), [TCDS E-252](https://openairdocs.org/tcds/E-252) (OpenAirDocs)
- Serial number: 15060539
- Year built: 1964
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: April 8, 1964
- Certificate issued: June 25, 1981
- Last registry action: July 24, 1987
- Mode S code: A580E7
- Owners when cancelled: [Kosar Ronald M](https://openairdocs.org/faa-owner/KOSAR%20RONALD%20M), [Siry Stanley A Jr](https://openairdocs.org/faa-owner/SIRY%20STANLEY%20A%20JR)
- Location: [Sunnymead, CA](https://openairdocs.org/faa-place/CA/Sunnymead)
- Owner type: Partnership
- Owner's area on the map: 33.9400° N, 117.2437° W: Placed by OpenAirDocs: center of Sunnymead, CA, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4539U
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4539U
- Page: https://openairdocs.org/deregistered/N4539U-2012-12-07

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 150D: https://openairdocs.org/model/cessna-150d.md

## NTSB investigations (2)

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 LAX82DUG06](https://openairdocs.org/ntsb/LAX82DUG06), Feb 14, 1982: Cessna 150 (N4539U), Daggett, CA, destroyed
- [NTSB LAX77FUG11](https://openairdocs.org/ntsb/LAX77FUG11), Nov 29, 1976: Cessna 150D (N4539U), Riverside, CA, substantial damage

## FAA accident and incident reports (2)

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 19820214003919A](https://openairdocs.org/incident/19820214003919A), Feb 14, 1982: Cessna 150D (N4539U), Daggett, CA, Destroyed. Engine quit after surging. Cartwheeled and overturned,landing in alfalfa field. Engine ran normal after accident.
- [Accident 19761129037359A](https://openairdocs.org/incident/19761129037359A), Nov 29, 1976: Cessna A150K (N4539U), Riverside, CA, Substantial damage. Shock struts bottomed out during preflight.

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