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No. of STCs: 3

STC Holder: Riddell Flying Service, Inc. an Arkansas Corporation 124 Phillips 204 Road, West Helena, AR 72390, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA09189AC	Status: Historical	App Date:	Rev Date: 08/16/2000
Description: Installation of a Walter M601E-11 turboprop engine and a Avia Hamilton Standard VJ8.510AG propeller .
TC Nos.: A17SW
Models: Air Tractor Inc.AT-501, AT-502
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Riddell Flying Service, Inc. an Arkansas Corporation 124 Phillips 204 Road, West Helena, AR 72390, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA09189AC	Status: Current	App Date: 10/09/1995	Rev Date: 08/16/2000
Description: Installation of a Walter M601E-11 turboprop engine and a Avia Hamilton Standard VJ8.510AG propeller .
TC Nos.: A17SW
Models: Air Tractor Inc.AT-501, AT-502
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Riddell Flying Service, Inc. an Arkansas Corporation 124 Phillips 204 Road, West Helena, AR 72390, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA09342SC	Status: Current	App Date: 11/19/1996	Rev Date: 08/16/2000
Description: Installation of Walter M601E-11 turboprop engine and AVIA-Hamilton Standard VJ8.510AG or VJ8.510 propeller.
TC Nos.: A4SW
Models: Thrush Aircraft Inc.S2R-R1340
ACO: AIR-760: Central Certification Branch FTW