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Avionics

STC ST02621LA

FAA DRS lists ST02621LA as Current · Issued, held by Aviation Communication and Surveillance Systems (ACSS) LLC, for Boeing 737-700 Series, Boeing 737-800 Series, and Boeing 737-900 Series, and 1 more aircraft configuration. Recorded change: Modification to the existing Mode S Transponder system and ATC/TCAS Control to add NEXTGEN ADS-B Out. Snapshot dated June 30, 2026.

FAA-listed holder
Aviation Communication and Surveillance Systems (ACSS) LLC
Aircraft configurations
4
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

Modification to the existing Mode S Transponder system and ATC/TCAS Control to add NEXTGEN ADS-B Out.

ST02621LA 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 737-700 Series, Boeing 737-800 Series, and Boeing 737-900 Series, and 1 more aircraft configuration. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Boeing 737-700 SeriesA16WEBoeing 737-800 SeriesA16WEBoeing 737-900 SeriesA16WEBoeing 737-900ER SeriesA16WE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Boeing 737-700 Series and Boeing 737-800 Series, and 2 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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