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Avionics

STC ST04456AT

FAA DRS lists ST04456AT as Current · Reissued, held by Avionics Support Group Inc., for MHI RJ Aviation ULC CL-600-2B19 (Regional Jet Series 100), MHI RJ Aviation ULC CL-600-2B19 (Regional Jet Series 440), and MHI RJ Aviation ULC CL-600-2C10 (Regional Jet Series 700), and 2 more aircraft configurations. Recorded change: Installation of the dual Rockwell Collins TDR-94D, ADS-B out capable transponder system and dual GPS-4000S position sensor. Snapshot dated June 30, 2026.

FAA-listed holder
Avionics Support Group Inc.
Aircraft configurations
5
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of the dual Rockwell Collins TDR-94D, ADS-B out capable transponder system and dual GPS-4000S position sensor.

ST04456AT 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: MHI RJ Aviation ULC CL-600-2B19 (Regional Jet Series 100), MHI RJ Aviation ULC CL-600-2B19 (Regional Jet Series 440), and MHI RJ Aviation ULC CL-600-2C10 (Regional Jet Series 700), and 2 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

MHI RJ Aviation ULC CL-600-2B19 (Regional Jet Series 100)A21EA-1MHI RJ Aviation ULC CL-600-2B19 (Regional Jet Series 440)A21EA-1MHI RJ Aviation ULC CL-600-2C10 (Regional Jet Series 700)A21EA-1MHI RJ Aviation ULC CL-600-2C10 (Regional Jet Series 701)A21EA-1MHI RJ Aviation ULC CL-600-2C10 (Regional Jet Series 702)A21EA-1

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact MHI RJ Aviation ULC CL-600-2B19 (Regional Jet Series 100) and MHI RJ Aviation ULC CL-600-2B19 (Regional Jet Series 440), and 3 more aircraft configurations model, serial range, and configuration?
  2. 02Which part numbers, software versions, interfaces, and manual changes apply?
  3. 03Who can legally supply the design data, kit, instructions, and ICAs?
  4. 04What parts, labor, conformity, and return-to-service work are excluded?

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