STC ST04421AT
FAA DRS lists ST04421AT as Current · Reissued, held by Woven Electronics LLC, for Boeing 737-600 Series, Boeing 737-700 Series, and Boeing 737-700C Series, and 3 more aircraft configurations. Recorded change: Installation of the Honeywell MK II Aircraft Communication, Addressing, and Reporting System (ACARS) with Data Link Communication Function in the B737-NG Series Aircraft. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
ST04421AT 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 737-600 Series, Boeing 737-700 Series, and Boeing 737-700C Series, and 3 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
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Related other aircraft modifications STCs
ONE ONLY STC, SN 7155: Installation of a Supplemental Lighting System.
FAA holder: Aviation Specialties Unlimited Inc.
Installation of Avtec Fiber Optic Lighting System.
FAA holder: Duncan Aviation Inc
Data Required: (1) Kal-Aero, Inc., Master Drawing List, No. KA9612-08R, Revision , dated December 5, 1996; (2) Kal-Aero, Inc., FAA Approved Airplane Flight Manual Supplement, No. KA9612-12R, Revision , dated February 7, 1997 or later FAA approved revisions to (1) or (2).
FAA holder: Duncan Aviation Inc