# N766BF: 1999 Ayres S2R-G10, registration cancelled 2021-08-04

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 4, 2021
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Ayres S2R-G10](https://openairdocs.org/model/ayres-s2r-g10) (registry code 0970217)
- Engine: [AiResearch TPE331 series](https://openairdocs.org/engine/airesearch-tpe331-series) (registry code 01517)
- Data sheets: [TCDS A4SW](https://openairdocs.org/tcds/A4SW) (OpenAirDocs)
- Serial number: G10-157
- Year built: 1999
- Type of aircraft: Fixed wing single engine
- Engine type: Turbo-prop
- Airworthiness: Restricted, agriculture and pest control, other
- Airworthiness date: March 16, 1999
- Certificate issued: March 28, 2018
- Last registry action: March 28, 2018
- Mode S code: AA57F1
- Owner when cancelled: [Earl'S Spray Service Inc](https://openairdocs.org/faa-owner/EARL'S%20SPRAY%20SERVICE%20INC)
- Location: [Breckenridge, MI](https://openairdocs.org/faa-place/MI/Breckenridge)
- Owner type: Corporation
- Owner's area on the map: 43.4220° N, 84.4745° W: Placed by OpenAirDocs at the center of ZIP code 48615, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N766BF
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=766BF
- Page: https://openairdocs.org/deregistered/N766BF-2021-08-04

From the FAA registry file of November 4, 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-G10: https://openairdocs.org/model/ayres-s2r-g10.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 CEN19LA231](https://openairdocs.org/ntsb/CEN19LA231), Jul 21, 2019: Ayres S2R (N766BF), Breckenridge, MI, substantial damage. Probable cause: A total loss of engine power due to a lack of oil in the engine. The source of the inflight oil leak could not be determined based on the available information.

## 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 20190721010269A](https://openairdocs.org/incident/20190721010269A), Jul 21, 2019: Ayres Corporation S2R-G10 (N766BF), Breckenridge, MI, Substantial damage. On July 21, 2019 at approximately 0700 eastern, an Ayres thrush S2R-G10 aircraft, N766BF, registered to and operated by a commercial applicator service,…

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