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: Howard Aviation Inc P.O. Box 1287, Peoria, IL 61601, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3-27	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Covering of wings .020-inch24 ST. alclad.
TC Nos.: A-767
Models: Univair Aircraft Corporation108 Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Howard Aviation Inc P.O. Box 1287, Peoria, IL 61601, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3-31	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Alternate repair parts for bulkhead.
TC Nos.: A-782
Models: Navion Aircraft Company Ltd.Navion Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Howard Aviation Inc P.O. Box 1287, Peoria, IL 61601, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR00086BO	Status: Historical	App Date:	Rev Date: 06/05/1998
Description: Operation of rotorcraft on unleaded and leaded automotive gasoline, 91 minimum antiknock index (RON + MON)/2 per ASTM Specification D-439 or D-4814.
TC Nos.: H11NM
Models: Robinson Helicopter CompanyR44
ACO: Chicago ACO Branch, Tel: +1 (847) 294-7358