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Avionics

STC ST04450AT

FAA DRS lists ST04450AT as Current · Reissued, held by Avionics Support Group Inc., for Boeing DC-9-11, Boeing DC-9-12, and Boeing DC-9-13, and 13 more aircraft configurations. Recorded change: Installation of the dual Rockwell Collins TPR-901, ADS-B out capable trasnponder system and dual\nGPS-4000S position sensor. Snapshot dated June 30, 2026.

FAA-listed holder
Avionics Support Group Inc.
Aircraft configurations
16
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of the dual Rockwell Collins TPR-901, ADS-B out capable trasnponder system and dual\nGPS-4000S position sensor.

ST04450AT 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: Boeing DC-9-11, Boeing DC-9-12, and Boeing DC-9-13, and 13 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Boeing DC-9-11A6WEBoeing DC-9-12A6WEBoeing DC-9-13A6WEBoeing DC-9-15A6WEBoeing DC-9-15FA6WEBoeing DC-9-31A6WEBoeing DC-9-32A6WEBoeing DC-9-32FA6WEBoeing DC-9-33FA6WEBoeing DC-9-34A6WEBoeing DC-9-34FA6WEBoeing DC-9-81 (MD-81)A6WEBoeing DC-9-82 (MD-82)A6WEBoeing DC-9-83 (MD-83)A6WEBoeing DC-9-87 (MD-87)A6WEBoeing MD-88A6WE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Boeing DC-9-11 and Boeing DC-9-12, and 14 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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