STC ST09972SC
FAA DRS lists ST09972SC as Current · Reissued, held by Liebherr Aerospace Saline Co., for Boeing 747-400 Series. Recorded change: Installation of an air humidifier system in the Cockpit Environmental Control System. Snapshot dated June 30, 2026.
FAA-listed holder
Liebherr Aerospace Saline Co.
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued
Recorded modification
What the FAA record covers
ST09972SC 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 747-400 Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
Related other aircraft modifications STCs
Installation of Turboplus Intercooler System No. 15000 or 15000-AD.
FAA holder: Turboplus Aircraft Systems, Inc.
Installation of Spoilers, Inc. intercooler system 22000.
FAA holder: Turboplus Aircraft Systems, Inc.