STC SA3539WE
FAA DRS lists SA3539WE as Current · Reissued, held by Northrop Grumman Systems Corporation, for Boeing 707-300 Series, Boeing 707-300B Series, and Boeing 707-300C Series. Recorded change: Installation of single, palletized Litton LTN-51 or LTN-72 Inertial Navigation System (707-320C Series). Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA3539WE 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 707-300 Series, Boeing 707-300B Series, and Boeing 707-300C Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related avionics STCs
Installation of a modified Aviation Communication & Surveillance Systems (ACSS) RCZ-852 Mode S Transponder System with Secondary Surveillance Radar (SSR) Mode S Enhanced Surveillance (EHS) capability and a Gables G7524-() Flight Identification control panel.
FAA holder: Gulfstream Aerospace Corporation
Installation of Thales Avionics IFS TopSeries In-flight Entertainment (IFE) System.
FAA holder: Thales Avionics Inc
Installation of Flight Display Cabin Entertainment System.
FAA holder: Pilatus Business Aircraft Ltd
Modification of a Rockwell Collins, Inc. Global Positioning System (GPS) installation.
FAA holder: Rockwell Collins Inc
FAA record reference
- STC number
- SA3539WE
- Product
- Aircraft · Large Airplane
- Country
- United States
- Application date
- November 9, 1977
- Revision date
- April 12, 2016
- CFR references
- Part 21