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Avionics

STC ST03345AT

FAA DRS lists ST03345AT as Current · Reissued, held by Woven Electronics LLC, for Boeing 737-300 Series, Boeing 737-400 Series, and Boeing 737-500 Series, and 3 more aircraft configurations. Recorded change: Installation of an Enhanced Surveillance System (EHS) to expand Transponder Mode-S functionality. Snapshot dated June 30, 2026.

FAA-listed holder
Woven Electronics LLC
Aircraft configurations
6
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of an Enhanced Surveillance System (EHS) to expand Transponder Mode-S functionality.

ST03345AT 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 737-300 Series, Boeing 737-400 Series, and Boeing 737-500 Series, and 3 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Boeing 737-300 SeriesA16WEBoeing 737-400 SeriesA16WEBoeing 737-500 SeriesA16WEBoeing 757-200 SeriesA2NMBoeing 767-200 SeriesA1NMBoeing 767-300 SeriesA1NM

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Boeing 737-300 Series and Boeing 737-400 Series, and 4 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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