Aircraft STC directory
Boeing 707-400 Series STCs
The Jun 30, 2026 FAA DRS snapshot contains 18 selected supplemental type certificates with status Current whose public applicability data names the Boeing 707-400 Series. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
Modification demand surface
Recently revised 707-400 Series STCs
Showing the 18 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
Modify installation of wing tip mounted emblem light.
FAA holder: The Boeing Company
Installation of floor proximity emergency escape path marking system.
FAA holder: Bruce Aerospace Inc.
Lithium cell battery pack to replace currently approved alkaline battery pack used in escape slide emergency light system.
FAA holder: Astronics Luminescent Systems Inc
Installation of an Artex Model C406-1 Emergency Locator Transmitter (ELT).
FAA holder: Woven Electronics LLC
Installation of a C & X band fuselage nose radome shell.
FAA holder: The NORDAM Group LLC
Introduction of a 16G New Generation Stretcher XL P/N 1120030-Series.
FAA holder: Bucher Leichtbau AG
Installation of dual Litton LTN-51, or dual Litton LTN-72, or one Litton LTN-51 and one Litton LTN-72 Inertial Navigation Systems.
FAA holder: Northrop Grumman Systems Corporation
Installation of dual Litton LTN211 omega navigation systems.
FAA holder: Wiggins Airways
Installation of replacement fuel tank sealant system.
FAA holder: FFC Manufacturing
Installation of Aerofex livestock carrier P/N TS-QA-400 platform and panel system using size A or size M Class II pallet.
FAA holder: Equine Air Transport Systems LLC
Modification of a Collins ALT-50A or ALT-55B Radio Altimeter system installation to a Collins ALT-1000 or ALT-4000 Radio Altimeter system installation in accordance with Collins Drawing Index as listed on AML No. ST01305WI-D, Revision -, or later FAA approved revision.
FAA holder: Rockwell Collins Inc
Installation of flame reistant cargo covers.
FAA holder: Air Transport International LLC.
Installation of Radome.
FAA holder: Saint-Gobain Performance Plastics Corp