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No. of STCs: 2

STC Holder: Vapor Heating Corp 6444 West Howard St., Chicago, IL 60607, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3-665	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Cabin air temperature control system on Southwind (Stewart- Warner) 8240-A heater.
TC Nos.: 3A10
Models: The Cessna Aircraft Company310 Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Vapor Heating Corp 6444 West Howard St., Chicago, IL 60607, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3-721	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Cabin temperature control system with Janitrol S-25 heater.
TC Nos.: 2A4, 6A1
Models: Twin Commander Aircraft Corporation500, 520, 560, 680
ACO: AIR-760: Central Certification Branch CHI