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: 3

STC Holder: Wagner Colman L Box 3, 401 1st Street East, Clark, SD 57225, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3-372	Status: Historical	App Date:	Rev Date: 10/25/1989
Description: Installation of Lycoming O-235-C1, -C1A, -C1B, -C1C, -C2A, -C2B, -C2C, -H2C, -K2A, -K2B, -L2A, or-L2C series engines and appropriate propellers or Teledyne O-200A, -B, or -C series engines and appropriate propellers.
TC Nos.: A-759
Models: American Champion Aircraft Corp.7AC
ACO: Chicago ACO Branch, Tel: +1 (847) 294-7358

STC Holder: Wagner Colman L Box 3, 401 1st Street East, Clark, SD 57225, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA57RM	Status: Historical	App Date:	Rev Date: 10/27/1982
Description: Installation of Lycoming O-235-C1, -C1A, -C1B, -C1C, -C2A, -C2B, -C2C, -H2C, -K2A, -K2B, -L2A, or L2C series engines.
TC Nos.: A-761, A-796
Models: American Champion Aircraft Corp.11AC, 11BC, 11CC, S11AC, S11BC, S11CC
ACO: Chicago ACO Branch, Tel: +1 (847) 294-7358

STC Holder: Wagner Colman L Box 3, 401 1st Street East, Clark, SD 57225, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA7NW	Status: Historical	App Date:	Rev Date: 03/14/1989
Description: Installation of Continental C-85-8, -8F, -12, -12F engine and Sensenich M74CK propeller or McCauley1A90CF or 1B90CM propeller.
TC Nos.: A-728, A-751
Models: Aeronca Aircraft Corporation65-TAC (Army L-3E), 65-TC (Army L-3J), O-58B (Army L-3B), O-58B (Army L-3C)
ACO: Chicago ACO Branch, Tel: +1 (847) 294-7358