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No. of STCs: 2

STC Holder: Big Sky Stearman 16052 S Springwater Road, Oregon City, OR 97045, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA01664SE	Status: Current	App Date: 02/07/2006	Rev Date: 04/18/2006
Description: Installation of a Jacobs R755B2 engine, Hamilton Standard propeller with a 2B20 hub and 6135A-15 or 6135A-16 blades and associated installation components.
TC Nos.: TC 641
Models: Raytheon Aircraft CompanyE17B (Army UC-43D)
ACO: AIR-770: West Certification Branch SEA

STC Holder: Big Sky Stearman 16052 S Springwater Road, Oregon City, OR 97045, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA02045SE	Status: Current	App Date: 10/23/2007	Rev Date: 01/20/2010
Description: Modification of aircraft, and Fabrication and installation of Big Sky Stearman 4 Aileron Kit
TC Nos.: A-743
Models: Boeing Airplane Company Wichita Division75 (Army PT-13), A75 (Army PT-13A; -13B; -13C), A75J1 (Army PT-18), A75L300, A75N1 (Army PT-17; -17A; Navy N2S-1; -4), B75 (Navy N2S-5), B75N1 (Navy N2S-3), D75N1 (Army PT-27), E75 (Army PT-13D; Navy N2S-5; PT-13D/N2S-5), E75N1 (Army PT-13D; Navy N2S-5; PT-13D/N2S-5)
ACO: AIR-770: West Certification Branch SEA