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.
Recorded modification
What the FAA record covers
Installation of an air humidifier system in the Cockpit Environmental Control System.
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
- 01Does it cover the exact Boeing 747-400 Series model, serial range, and configuration?
- 02Which configuration, parts, installation data, limitations, and ICAs apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
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.
Installation of a magneto pressurization kit assembly and associated system for Bendix Models S6RN-1201 and 1205, and SLICK Models 662, 680, 6210 and 6220.
FAA holder: Turboplus Aircraft Systems, Inc.
Installation of a pressurized magneto system for Bendix Models S6RN-25 and S6LN-25, or Slick Models 6214 (6210 for LTSIO) or Model 6224 (6220 for LTSIO).
FAA holder: Turboplus Aircraft Systems, Inc.