# N40237: Ayres S2R-R1820, registration cancelled 2012-11-15

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: November 15, 2012
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Ayres S2R-R1820](https://openairdocs.org/model/ayres-s2r-r1820) (registry code 0970215)
- Data sheets: [TCDS A4SW](https://openairdocs.org/tcds/A4SW) (OpenAirDocs)
- Serial number: R1820-008DC
- Type of aircraft: Fixed wing single engine
- Certificate issued: April 7, 1994
- Last registry action: May 3, 2000
- Mode S code: A4B6F0
- Owner when cancelled: [Grangeville Air Service Inc](https://openairdocs.org/faa-owner/GRANGEVILLE%20AIR%20SERVICE%20INC)
- Location: [Grangeville, ID](https://openairdocs.org/faa-place/ID/Grangeville)
- Owner type: Corporation
- Owner's area on the map: 45.9179° N, 116.0219° W: Placed by OpenAirDocs at the center of ZIP code 83530, within about 11 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N40237
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=40237
- Page: https://openairdocs.org/deregistered/N40237-2012-11-15

From the FAA registry file of October 28, 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 Ayres S2R-R1820: https://openairdocs.org/model/ayres-s2r-r1820.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 LAX94FA165](https://openairdocs.org/ntsb/LAX94FA165), Mar 16, 1994: Ayres S-2R (N40237), Reno, NV, destroyed, 2 fatal. Probable cause: AN UNDETERMINED PROBLEM WITH THE ENGINE OIL SYSTEM, A DECISION TO FLY THE AIRPLANE WITH A KNOWN DEFICIENCY, AND PROGRESSIVE (PARTIAL) FAILURE OF THE ENGINE MASTER ROD AND BEARING.

## 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 19940316005509A](https://openairdocs.org/incident/19940316005509A), Mar 16, 1994: Ayres S2RR1820 (N40237), Reno, NV, Destroyed, 2 fatal. Prior stop trk due high oil temp and low pressure. Elected ferry to base. Lost power. Hit wires. Worn master rod.

## Other aircraft with N40237

- [Cancelled 1973-04-26](https://openairdocs.org/deregistered/N40237-1973-04-26): Piper PA-23-250, S/N 27-7305040. Exported to Italy. Owner: [Moody Walter](https://openairdocs.org/faa-owner/MOODY%20WALTER), [Lock Haven, PA](https://openairdocs.org/faa-place/PA/Lock%20Haven)

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