STC SA4558NM
FAA DRS lists SA4558NM as Current · Reissued, held by Northrop Grumman Systems Corporation, for Boeing 747-100 Series. Recorded change: Installation of LTN-92 Inertial Navigation Systems. Snapshot dated June 30, 2026.
FAA-listed holder
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued
Recorded modification
What the FAA record covers
SA4558NM 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. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related avionics STCs
Installation of King KFC 200 Flight Control System (2 axis) with or without Flight Director.
FAA holder: Honeywell International Inc
Installation of King KNS 81 digital area navigation system.
FAA holder: Honeywell International Inc
Installation of dual Sperry EDZ-601/603 Electonic Flight Instrument Systems.
FAA holder: Honeywell International Inc
Installation of a flight management system (FMS).
FAA holder: Honeywell International Inc
FAA record reference
- STC number
- SA4558NM
- Product
- Aircraft · Large Airplane
- Country
- United States
- Application date
- February 28, 1989
- Revision date
- February 22, 2016
- CFR references
- Part 21, Part 25