Aircraft record

N751WC1989 Ayres Corporation S2R-R1820

Registration validUnclaimedSource: FAA, updated Oct 16, 2026

Safety record in brief:No NTSB accidents or incidents since 19826 ADs may apply

Registration: Valid; expires Sep 30, 2027
Based in: Gann Valley, SD; owner city / state
Engine: M601E-11 · 751 hp; Walter
Owners: 1; since 2017
NTSB events: None; since 1982
ADs may apply: 6; confirm with A&P
Service reports: 0; since 1995

Registration

FAA Aircraft Registry · Oct 16, 2026

Registered owner: Valley Spraying Service LLC
Owner type: LLC
City, state: Gann Valley, SD
Certificate issued: Sep 29, 2017
Expires: Sep 30, 2027
Airworthiness: Restricted · Agriculture and Pest Control
Airworthiness date: Dec 5, 2007

We never show street addresses, even though they appear in the public FAA file. Individual owners are shown by city and state only.

Airframe & engine

FAA Registry + type data

Airframe

Manufacturer: Ayres Corporation
Model: S2R-R1820
Year: 1989
Serial number: R1820033
Aircraft type: Fixed wing single engine
Category: Land
Certification: Type Certificated
Seats: 1
Engines: 1
Max takeoff weight: Up to 12,499 lb
Mode S code: AA1FB7

Engine

Make and model: Walter M601e-11
Type: Turbo-prop
Power: 751 hp

Total time and engine hours aren't public. They appear here once the owner adds logbooks.

Ownership history

Ownership history from FAA records

2017 – nowValley Spraying Service LLCGann Valley, SD · current

Individual owners are shown by city and state only.

Safety record

NTSB · Oct 15, 2026 · FAA ADs · Oct 16, 2026 · SDRs · Oct 16, 2026

NTSB events (0)

No NTSB accidents or incidents found for this airframe since 1982.

Accident history for this model

ADs published since 1998 that may apply (6)

These match the airframe or engine model. Whether each one applies, and whether it's been complied with, depends on serial numbers, equipment and logbook entries. Applicability must be confirmed by a mechanic against the aircraft's records.

AD	Subject	Effective	Applies to
2025-18-08	GE Aviation Czech s.r.o. (Type Certificate Previously Held by WALTER Engines a.s.…	Oct 21, 2025	Engine (M601E-11)
2024-03-05	Turbine Engine Reduction Gear	Apr 17, 2024	Engine (M601E-11)
2024-02-04	Turbine Engine Compressor Section	Mar 28, 2024	Engine (M601E-11)Only with: Centrifugal compressor case P/N M601-154.61 installed.
2022-26-01	Turbine Engine Combustion Section	Jan 26, 2023	Engine (M601E-11)Only with: Engines installed on single-engine airplanes with combustion chamber outer liner P/N M601-229.3, M601-229.3A, M601-229.3B, M601-229.31A, or M601-229.31B installed.
2020-23-01	Fuel Control/ Turbine Engines	Nov 24, 2020	Engine (M601E-11)Serial numbers per Appendix 1 of GE Aviation Czech ASB-H75-73-00-00-0038 [01] et al. (single document), dated September 24, 2020. Only with: Fuel control unit (FCU) with P/N and S/N listed in Appendix 1 of the ASB installed.

Show all 6 ADs

AD	Subject	Effective	Applies to
2020-15-04	Engine Collector/Tailpipe/Nozzle	Aug 31, 2020	Engine (M601E-11)

AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.

Service Difficulty Reports (0)

No Service Difficulty Reports found for this airframe since 1995.

Sources

FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 16, 2026
NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 16, 2026
FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026

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