Aircraft STC directory

Ayres S2R-T45 STCs

The Jun 30, 2026 FAA DRS snapshot contains 3 selected supplemental type certificates with status Current whose public applicability data names the Ayres S2R-T45. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

listed Current at snapshot

holder directories

modification categories

Jun 19, 2018

latest recorded revision

Modification demand surface

Engine and powerplant1

Propellers1

Other aircraft modifications1

Recorded holders

Turbine Conversions Ltd1 Kawak Aviation Technologies Inc1

Recently revised S2R-T45 STCs

Showing the 3 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.

SA00902CHEngine and powerplantRevised Jun 19, 2018

Installation of Walter a.s. turboprop engine model M601D-11 or M601E-11 with Avia Propeller Ltd. model V510, V510AG, V508E-AG/99A or V508E-AG/106A in accordance with Turbine Conversions Ltd. Drawing List, Report WAL2000, Revision A, dated March 4, 2005, or later approved revision.

FAA holder: Turbine Conversions Ltd

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SA00172SEPropellersRevised Dec 3, 2013

Installation of the following Garrett engines: TPE331-1-151A, -151K, -151G; TPE331-2-201A, -201C, or TPE331-6-252M, -252B, -252T, in combination with a Hartzell HC-B3TN-5(M)/T10282+4 propeller.

FAA holder: Valley Air Service Inc

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SA00034SEOther aircraft modificationsRevised May 31, 2006

Installation of AG-Air Systems, Inc., chemical disbursement system. (S2R modified per STC SA5953NM and S2R-G10 modified per STC SA00172SE).

FAA holder: Kawak Aviation Technologies Inc

View record