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: 2

STC Holder: Thornton Ronald D. 10 Uplands Rd, Littleton, MA 01460-1117, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SB5WE	Status: Current	App Date: 08/14/1978	Rev Date: 09/29/1978
Description: Installation of position lights on hot air balloon Model S55A, Serial number 138 ONLY. Limited to installation on this serial number 138 ONLY.
TC Nos.: A15CE
Models: Aerostar InternationalS-55A
ACO: AIR-770: West Certification Branch LA

STC Holder: Thornton Ronald D. 10 Uplands Rd, Littleton, MA 01460-1117, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SB8WE	Status: Current	App Date: 09/18/1979	Rev Date: 10/03/1979
Description: Data pertaining to this modification are considered inadequate for duplication in other aircraft. Limited to installation on Firefly 7, serial number 7880 ONLY.
TC Nos.: A14SO
Models: Conn SidneyFirefly 7
ACO: AIR-770: West Certification Branch LA