STC ST00246LA
FAA DRS lists ST00246LA as Current · Reissued, held by Northrop Grumman Systems Corporation, for Boeing 747-200B Series and Boeing 747-300 Series. Recorded change: Installation of Litton Triple LTN-92 Inertial Navigation Systems (INS) and dual LTN-2001 Global Positioning Sensors (GPS). Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
ST00246LA 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 747-200B Series and Boeing 747-300 Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
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Related avionics STCs
Installation of dual Global GNS-500A VLF/Omega Navigation Systems.
FAA holder: Textron Aviation Inc
Installation of Litton LTN-72R Inertial Navigation System (single system).
FAA holder: Textron Aviation Inc
Installation of Single Global VLF/Omega GNS-500A Navigation System.
FAA holder: Textron Aviation Inc