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: 5

STC Holder: St Louis Helicopter LLC 7000 Airport Dr. Suite 204, Sellersburg, IN 47172, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA04083CH	Status: Historical	App Date: 06/08/2015	Rev Date: 04/27/2016
Description: Installation of universal bracket and a sight/viewing hole in the front baggage compartment
TC Nos.: A20SO
Models: Piper Aircraft Inc.PA-31, PA-31-300, PA-31-325, PA-31-350
ACO: Chicago ACO Branch, Tel: +1 (847) 294-7358

STC Holder: St Louis Helicopter LLC 7000 Airport Dr. Suite 204, Sellersburg, IN 47172, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR03297CH	Status: Historical	App Date: 02/15/2013	Rev Date: 02/06/2014
Description: Installation of provisions for external equipment
TC Nos.: H11NM
Models: Robinson Helicopter CompanyR44, R44 II
ACO: Chicago ACO Branch, Tel: +1 (847) 294-7358

STC Holder: St Louis Helicopter LLC 7000 Airport Dr. Suite 204, Sellersburg, IN 47172, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR03346CH	Status: Historical	App Date: 04/10/2013	Rev Date: 06/11/2014
Description: Installation of provisions for external equipment
TC Nos.: H1CE
Models: The Enstrom Helicopter Corporation480, 480B
ACO: Chicago ACO Branch, Tel: +1 (847) 294-7358

STC Holder: St Louis Helicopter LLC 7000 Airport Dr. Suite 204, Sellersburg, IN 47172, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR03403CH	Status: Historical	App Date: 07/11/2014	Rev Date: 11/25/2014
Description: Installation of universal internal mount for electrical equipment provisions
TC Nos.: H11NM
Models: Robinson Helicopter CompanyR44, R44 II
ACO: Chicago ACO Branch, Tel: +1 (847) 294-7358

STC Holder: St Louis Helicopter LLC 7000 Airport Dr. Suite 204, Sellersburg, IN 47172, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR04124CH	Status: Historical	App Date: 09/17/2015	Rev Date: 08/29/2016
Description: Installation of Lithium Ion Main Ship Battery
TC Nos.: H11NM
Models: Robinson Helicopter CompanyR44 II
ACO: Chicago ACO Branch, Tel: +1 (847) 294-7358