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: 7

STC Holder: Sierra Nevada Company LLC 12500 E. Belford Ave Englewood, CO 80112		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA00028MC	Status: Current	App Date: 12/22/2008	Rev Date: 04/19/2024
Description: Installation of non-essential antenna and radome
TC Nos.: A78EU
Models: Pilatus Aircraft LimitedPC-12, PC-12/45, PC-12/47, PC-12/47E
ACO: AIR-780: Military Certification Branch

STC Holder: Sierra Nevada Company LLC 18632 Jarkey Drive, Hagerstown, MD 21742		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA00113MC	Status: Current	App Date: 05/17/2013	Rev Date: 07/09/2024
Description: Installation of mission equipment for TACAN, Storm Scope, Data Link, TA-24 GPS, military radio and APX-119 Transponder and provides for Synthetic Vision
TC Nos.: A24CE
Models: Textron Aviation Inc.B200C
ACO: AIR-780: Military Certification Branch

STC Holder: Sierra Nevada Company LLC 18632 Jarkey Drive, Hagerstown, MD 21742		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA00159MC	Status: Current	App Date: 08/17/2016	Rev Date: 07/09/2024
Description: Outer Mold Line (OML) modification to include aircraft survivability equipment provisions, structural provisions for a new mission antenna suite and relocation of existing antenna
TC Nos.: A24CE
Models: Textron Aviation Inc.B300, B300C
ACO: AIR-780: Military Certification Branch

STC Holder: Sierra Nevada Company LLC 18632 Jarkey Drive, Hagerstown, MD 21742		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA00221MC	Status: Current	App Date: 05/28/2021	Rev Date: 06/11/2024
Description: Installation of non-essential, not required mission systems.
TC Nos.: A24CE
Models: Textron Aviation Inc.B300, B300C
ACO: AIR-780: Military Certification Branch

STC Holder: Sierra Nevada Company LLC 12500 E. Belford, Englewood, CO 80112		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA00229MC	Status: Current	App Date: 02/13/2023	Rev Date: 02/26/2024
Description: Installation of Dual Mode Recognition Lights.
TC Nos.: A78EU
Models: Pilatus Aircraft LimitedPC-12/45, PC-12/47
ACO: AIR-780: Military Certification Branch

STC Holder: Sierra Nevada Company LLC 18635 Jarkey Drive, Hagerstown, MD 21742		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST10398SC	Status: Current	App Date: 05/27/2004	Rev Date: 12/16/2024
Description: Installation of a WX-1000 Stormscope.
TC Nos.: A20EA
Models: Bombardier Inc.DHC-7-1, DHC-7-100, DHC-7-101, DHC-7-102, DHC-7-103
ACO: AIR-750: East Certification Branch BOS

STC Holder: Sierra Nevada Company LLC 12500 East Belford Ave, Englewood, CO 80112		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST12070MC	Status: Current	App Date: 03/18/2024	Rev Date: 09/29/2025
Description: Installation of non-essential, not required communications equipment
TC Nos.: A45NM
Models: Deutsche Aircraft GmbH328-100
ACO: AIR-760: Central Certification Branch FTW