STC ST04255CH
FAA DRS lists ST04255CH as Current · Reissued, held by ENVOY AIR, for Embraer SA EMB-135KL and Embraer SA EMB-145LR. Recorded change: Installation of an Automatic Dependent Surveillance-Broadcast (ADS-B Out) System. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
ST04255CH identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.
Applicability
Aircraft named in FAA DRS
Named aircraft: Embraer SA EMB-135KL and Embraer SA EMB-145LR. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related avionics STCs
Installation of single Sperry STARS IV B Flight Director System.
FAA holder: Associated Air Center, Inc. - c/o CT Corporation System
Change SP-40 Autopilot heading and radio control data from the copilot's R-4A Course Indicator and #2 VHF Navigation system to the pilot's R-4A Course Indicator and #1 VHF Navigation system.
FAA holder: Associated Air Center, Inc. - c/o CT Corporation System
Installation of Global GNS-500A Omega/VLF Navigation System.
FAA holder: Associated Air Center, Inc. - c/o CT Corporation System
Installation of a dual Sperry electronic flight instrument system including Dual Sperry SPZ Flight Directors.
FAA holder: Associated Air Center, Inc. - c/o CT Corporation System
FAA record reference
- STC number
- ST04255CH
- Product
- Aircraft · Large Airplane
- Country
- United States
- Application date
- June 9, 2017
- Revision date
- April 16, 2020
- CFR references
- Part 21, Part 25, Part 26