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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