The STC search system is a complimentary service provided to the aviation community. We hope you find it useful. We do not provide access to STC engineering. For that you need to contact the STC holder directly. Our primary product is a comprehensive library of aviation regulations and standards, including tools for generating Airworthiness Directive compliance reports.

No. of STCs: 28

STC Holder: Hershey Flying Service Inc 3370 MN Road, David City, NE 68632, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA00009WI	Status: Current	App Date: 12/20/1988	Rev Date: 11/16/2017
Description: Change belly skins from aluminum to stainless steel.
TC Nos.: 1A16
Models: Allied Ag Cat Productions Inc.G-164, G-164A, G-164B
ACO: AIR-760: Central Certification Branch WI

STC Holder: Hershey Flying Service Inc P.O. Box 215, Hershey, NE 69143, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA00009WI	Status: Historical	App Date: 12/20/1988	Rev Date: 11/17/1992
Description: Change belly skins from aluminum to stainless steel.
TC Nos.: 1A16
Models: Allied Ag Cat Productions Inc.G-164, G-164A, G-164B
ACO: Wichita ACO Branch, Tel: +1 (316) 946-4100

STC Holder: Hershey Flying Service Inc 3370 MN Road, David City, NE 69632		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA00711CH	Status: Current	App Date: 09/12/1995	Rev Date: 10/13/2020
Description: Install replacement tail landing gear spring described by Drawing 5480, rev. E, dated August 12, 1996, or later FAA approved revisions.
TC Nos.: 1A16
Models: Allied Ag Cat Productions Inc.G-164A, G-164B
ACO: AIR-760: Central Certification Branch WI

STC Holder: Hershey Flying Service Inc P.O. Box 215, Hershey, NE 69143, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA00711CH	Status: Historical	App Date: 09/12/1995	Rev Date: 12/09/2008
Description: Install replacement tail landing gear spring described by Drawing 5480, rev. E, dated August 12, 1996, or later FAA approved revisions.
TC Nos.: 1A16
Models: Allied Ag Cat Productions Inc.G-164A, G-164B
ACO: AIR-7K0: Wichita ACO Branch

STC Holder: Hershey Flying Service Inc BOX 754, PLATTE, SD 57369		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA00881CH	Status: Historical	App Date: 03/21/1995	Rev Date: 05/07/1998
Description: INSTALL RUDDER SERVO TAB
TC Nos.: 1A16
Models: Allied Ag Cat Productions Inc.G-164A, G-164B
ACO: AIR-7C0: Chicago ACO Branch

STC Holder: Hershey Flying Service Inc 3370 MN Road, David City, NE 69632		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA00881CH	Status: Current	App Date: 03/21/1995	Rev Date: 10/13/2020
Description: Install rudder servo tab
TC Nos.: 1A16
Models: Allied Ag Cat Productions Inc.G-164A, G-164B
ACO: AIR-760: Central Certification Branch WI

STC Holder: Hershey Flying Service Inc 18448 West Highway 30, Hershey, NE 69143, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA01745WI	Status: Historical	App Date: 11/19/2012	Rev Date: 04/08/2014
Description: Installation of a Cable Cutter System on the Main Landing Gear
TC Nos.: A17SW
Models: Air Tractor Inc.AT-501, AT-502, AT-502A, AT-502B
ACO: Wichita ACO Branch, Tel: +1 (316) 946-4100

STC Holder: Hershey Flying Service Inc 3370 MN Road, David City, NE 68632, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA01745WI	Status: Current	App Date: 11/19/2012	Rev Date: 11/16/2017
Description: Installation of a Cable Cutter System on the Main Landing Gear
TC Nos.: A17SW, A19SW, A9SW
Models: Air Tractor Inc.AT-300, AT-301, AT-302, AT-400, AT-400A, AT-401, AT-401A, AT-401B, AT-402, AT-402A, AT-402B, AT-501, AT-502, AT-502A, AT-502B, AT-503, AT-503A, AT-504, AT-602, AT-802, AT-802A
ACO: AIR-760: Central Certification Branch WI

STC Holder: Hershey Flying Service Inc 18448 West Highway 30, Hershey, NE 69143, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA01745WI	Status: Historical	App Date: 11/19/2012	Rev Date: 01/22/2015
Description: Installation of a Cable Cutter System on the Main Landing Gear
TC Nos.: A17SW, A19SW, A9SW
Models: Air Tractor Inc.AT-300, AT-301, AT-302, AT-400, AT-400A, AT-401, AT-401A, AT-401B, AT-402, AT-402A, AT-402B, AT-501, AT-502, AT-502A, AT-502B, AT-503, AT-503A, AT-504, AT-602, AT-802, AT-802A
ACO: Wichita ACO Branch, Tel: +1 (316) 946-4100

STC Holder: Hershey Flying Service Inc 3370 MN Road, David City, NE 68632, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA01756WI	Status: Historical	App Date: 06/03/2011	Rev Date: 09/25/2017
Description: Installation of a Tail Wheel Modification
TC Nos.: A19SW
Models: Air Tractor Inc.AT-602, AT-802, AT-802A
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Hershey Flying Service Inc 3370 MN Road, David City, NE 68632, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1754GL	Status: Current	App Date: 12/30/1991	Rev Date: 11/16/2017
Description: Install aileron servo tabs
TC Nos.: 1A16
Models: Ag Cat CorporationG-164A, G-164B
ACO: AIR-760: Central Certification Branch WI

STC Holder: Hershey Flying Service Inc P.O. Box 215, Hershey, NE 69143, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1754GL	Status: Historical	App Date: 12/30/1991	Rev Date: 01/21/1993
Description: Install aileron servo tabs
TC Nos.: 1A16
Models: Ag Cat CorporationG-164A, G-164B
ACO: Wichita ACO Branch, Tel: +1 (316) 946-4100

STC Holder: Hershey Flying Service Inc P.O. Box 215, Hershey, NE 69143, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1754GL	Status: Historical	App Date:	Rev Date: 12/16/1992
Description: Install aileron servo tabs. (G-164B RESTRICTED CATEGORY)
TC Nos.: 1A16
Models: Ag Cat CorporationG-164A, G-164B
ACO: Wichita ACO Branch, Tel: +1 (316) 946-4100

STC Holder: Hershey Flying Service Inc 3370 MN Road, David City, NE 68632, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2226CE	Status: Current	App Date: 11/20/1986	Rev Date: 11/16/2017
Description: Convert the vertical fin and rudder to the configuration of the Model G-164B (S/Ns above 708B). (G-164B S/N'S BELOW 709B)
TC Nos.: 1A16
Models: Ag Cat CorporationG-164A, G-164B
ACO: AIR-760: Central Certification Branch WI

STC Holder: Hershey Flying Service Inc P.O. Box 215, Hershey, NE 69143, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2226CE	Status: Historical	App Date:	Rev Date: 02/05/1987
Description: Convert the vertical fin and rudder to the configuration of the Model G-164B (S/Ns above 708B). (G-164B S/N'S BELOW 709B)
TC Nos.: 1A16
Models: Ag Cat CorporationG-164A, G-164B
ACO: Wichita ACO Branch, Tel: +1 (316) 946-4100

STC Holder: Hershey Flying Service Inc P.O. Box 215, Hershey, NE 69143, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2254CE	Status: Historical	App Date:	Rev Date: 06/05/1987
Description: Installation of replacement wing tips.
TC Nos.: 1A16
Models: Allied Ag Cat Productions Inc.G-164, G-164A, G-164B, G-164C, G-164D
ACO: Wichita ACO Branch, Tel: +1 (316) 946-4100

STC Holder: Hershey Flying Service Inc 3370 MN Road, David City, NE 68632, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2254CE	Status: Current	App Date: 01/09/1987	Rev Date: 11/16/2017
Description: Installation of replacement wing tips.
TC Nos.: 1A16
Models: Allied Ag Cat Productions Inc.G-164, G-164A, G-164B, G-164C, G-164D
ACO: AIR-760: Central Certification Branch WI

STC Holder: Hershey Flying Service Inc 3370 MN Road, David City, NE 68632, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2271CE	Status: Current	App Date: 07/11/1986	Rev Date: 11/16/2017
Description: Installation of additional wing fuel tanks.
TC Nos.: 1A16
Models: Allied Ag Cat Productions Inc.G-164A, G-164B, G-164C, G-164D
ACO: AIR-760: Central Certification Branch WI

STC Holder: Hershey Flying Service Inc P.O. Box 215, Hershey, NE 69143, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2271CE	Status: Historical	App Date: 07/11/1986	Rev Date: 03/02/1988
Description: Installation of additional wing fuel tanks.
TC Nos.: 1A16
Models: Allied Ag Cat Productions Inc.G-164A, G-164B, G-164C, G-164D
ACO: Wichita ACO Branch, Tel: +1 (316) 946-4100

STC Holder: Hershey Flying Service Inc 3370 MN Road, David City, NE 68632, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2273CE	Status: Current	App Date: 04/14/1987	Rev Date: 11/16/2017
Description: Installation of G-164B wings on aircraft previously modified by STC SA3645SW.
TC Nos.: 1A16
Models: Ag Cat CorporationG-164A
ACO: AIR-760: Central Certification Branch WI

STC Holder: Hershey Flying Service Inc P.O. Box 215, Hershey, NE 69143, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2273CE	Status: Historical	App Date: 04/14/1987	Rev Date: 08/24/2004
Description: Installation of G-164B wings on aircraft previously modified by STC SA3645SW.
TC Nos.: 1A16
Models: Ag Cat CorporationG-164A
ACO: Wichita ACO Branch, Tel: +1 (316) 946-4100

STC Holder: Hershey Flying Service Inc P.O. Box 215, Hershey, NE 69143, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3077WE	Status: Current	App Date:	Rev Date: 05/25/1988
Description: Installation of elevator servo-tab.
TC Nos.: 1A16
Models: Allied Ag Cat Productions Inc.G-164, G-164A, G-164B
ACO: AIR-760: Central Certification Branch WI

STC Holder: Hershey Flying Service Inc P.O. Box 215, Hershey, NE 69143, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA32NW	Status: Current	App Date: 07/12/1971	Rev Date: 04/24/1984
Description: Installation of 15.5 gallon auxiliary fuel tank in each upper wing panel.
TC Nos.: 1A16
Models: Allied Ag Cat Productions Inc.G-164
ACO: AIR-760: Central Certification Branch WI

STC Holder: Hershey Flying Service Inc 3370 MN Road, David City, NE 68632, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3645SW	Status: Current	App Date: 12/08/1980	Rev Date: 11/16/2017
Description: Widen fuselage hopper in accordance with data listed on S & R Aircraft FAT-CAT Drawing List Revision J dated August 8, 1986. Limited to serial numbers 1B through 548B only.
TC Nos.: 1A16
Models: Allied Ag Cat Productions Inc.G-164A, G-164B
ACO: AIR-760: Central Certification Branch WI

STC Holder: Hershey Flying Service Inc P.O. Box 215, Hershey, NE 69143, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3645SW	Status: Historical	App Date: 12/08/1980	Rev Date: 06/17/2004
Description: Widen fuselage hopper in accordance with data listed on S & R Aircraft FAT-CAT Drawing List Revision J dated August 8, 1986. Limited to serial numbers 1B through 548B only.
TC Nos.: 1A16
Models: Allied Ag Cat Productions Inc.G-164A, G-164B
ACO: Wichita ACO Branch, Tel: +1 (316) 946-4100

STC Holder: Hershey Flying Service Inc 3370 MN Road, David City, NE 69632		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA431CH	Status: Current	App Date: 07/08/1995	Rev Date: 10/13/2020
Description: Install replacement main landing gear spring (leg).
TC Nos.: 1A16
Models: Ag Cat CorporationG-164A, G-164B
ACO: AIR-760: Central Certification Branch WI

STC Holder: Hershey Flying Service Inc 3370 MN Road, David City, NE 68632, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA5923SW	Status: Current	App Date: 02/07/1984	Rev Date: 11/16/2017
Description: Installation of modifications to align the vertical control surface with airplane centerline.
TC Nos.: 1A16
Models: Ag Cat CorporationG-164A, G-164B
ACO: AIR-760: Central Certification Branch WI

STC Holder: Hershey Flying Service Inc P.O. Box 215, Hershey, NE 69143, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA5923SW	Status: Historical	App Date:	Rev Date: 06/28/1991
Description: Installation of modifications to align the vertical control surface with airplane centerline.
TC Nos.: 1A16
Models: Ag Cat CorporationG-164A, G-164B
ACO: Wichita ACO Branch, Tel: +1 (316) 946-4100