STC ST00504LA
FAA DRS lists ST00504LA as Current · Reissued, held by Northrop Grumman Systems Corporation, for Boeing 747-100 Series, Boeing 747-200B Series, and Boeing 747-200C Series, and 1 more aircraft configuration. Recorded change: Modification of Litton LTN-92 and LTN-72 Inertial Navigation Systems (INS) to implement the Area Navigation (RNAV) updating capability. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Modification of Litton LTN-92 and LTN-72 Inertial Navigation Systems (INS) to implement the Area Navigation (RNAV) updating capability.
ST00504LA 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 747-100 Series, Boeing 747-200B Series, and Boeing 747-200C Series, and 1 more aircraft configuration. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Boeing 747-100 Series and Boeing 747-200B Series, and 2 more aircraft configurations 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?
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