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Avionics

STC ST04000AT

FAA DRS lists ST04000AT as Current · Amended, held by Avionics Support Group Inc., for Boeing 777-200 Series and Boeing 777-300 Series. Recorded change: Installation of an Avionics Support Group Constant Friction Mount (cfMount) with an Integrated Power Supply. Snapshot dated June 30, 2026.

FAA-listed holder
Avionics Support Group Inc.
Aircraft configurations
2
FAA revision date
FAA status
Current · Amended

Recorded modification

What the FAA record covers

Installation of an Avionics Support Group Constant Friction Mount (cfMount) with an Integrated Power Supply.

ST04000AT 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 777-200 Series and Boeing 777-300 Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Boeing 777-200 SeriesT00001SEBoeing 777-300 SeriesT00001SE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Boeing 777-200 Series and Boeing 777-300 Series 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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