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
Installation of Litton Triple LTN-92 Inertial Navigation Systems (INS) and dual LTN-2001 Global Positioning Sensors (GPS).
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
Confirm before sourcing
- 01Does it cover the exact Boeing 747-200B Series and Boeing 747-300 Series model, serial range, and configuration?
- 02Which part numbers, software versions, interfaces, and manual changes apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
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
Installation of Dual Collins FDS-85 Flight Director Systems (FGP-80 Flight Guidance Panel, P/N 622-2213-060; FGC-80 Flight Guidance Computer, P/N 622-2256-004; Flight Director Indicator P/N 622-4808-001; Course Indicator, P/N 622-4176-001; HCP-87 Heading and Course Selector, P/N 622-5476-002).
FAA holder: Textron Aviation Inc