The Aviation DataBase®
Complete Aviation Regulatory Library
Sept. 11 Sept. 11 America 250
DataBases updated: Aug 26th, 2026
Home Products Library Support Account Login Contact

STC Holder: Liberty Partners

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: 1

STC Holder:
Liberty Partners
812 West 9th St, Okmulgee, OK 74447, United States
If you are an STC Holder, Contact us to have your company added here!
STC No.: SR09921ACStatus: CurrentApp Date: 06/26/2020Rev Date: 03/15/2021
Description: Demonstration of aircraft critical equipment and antenna systems tolerance of radio frequency interference (RFI) from intentional or spurious transmissions from certain Portable Electronic Devices PEDs)
TC Nos.: H2SW, H9EU
Models:
Airbus HelicoptersAS-350B, AS-350B1, AS-350B2, AS-350B3, AS-350BA
Bell Textron Canada Limited407
ACO: AIR-760: Central Certification Branch FTW