SA2594WEAircraft structures
Modify the installation of wing tip mounted emblem light.
FAA holder: The Boeing Company
Aircraft STC directory
Boeing 707-300B Series STCs
The Jun 30, 2026 FAA DRS snapshot contains 27 selected supplemental type certificates with status Current whose public applicability data names the Boeing 707-300B Series. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
27
listed Current at snapshot
12
holder directories
10
modification categories
Oct 20, 2025
latest recorded revision
Modification demand surface
Other aircraft modifications10
Avionics6
Engine and powerplant2
Cabin and interiors2
Aircraft connectivity2
Aircraft structures1
Safety and emergency equipment1
Electrical systems1
Fuel systems1
Cargo and special mission1
Recently revised 707-300B Series STCs
Showing the 27 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
SA3927NMSafety and emergency equipment
Installation of floor proximity emergency escape path marking system.
FAA holder: Bruce Aerospace Inc.
ST01186SEOther aircraft modifications
Group Reduced Vertical Separation Minimum (RVSM) airworthiness approval.
FAA holder: AeroMech Incorporated
ST02580ATElectrical systems
Lithium cell battery pack to replace currently approved alkaline battery pack used in escape slide emergency light system.
FAA holder: Astronics Luminescent Systems Inc
ST04229NYOther aircraft modifications
Introduction of a 16G New Generation Stretcher XL P/N 1120030-Series.
FAA holder: Bucher Leichtbau AG
SA3486WEAvionics
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
SA3539WEAvionics
Installation of single, palletized Litton LTN-51 or LTN-72 Inertial Navigation System (707-320C Series).
FAA holder: Northrop Grumman Systems Corporation
ST01329ATAvionics
Installation of AlliedSignal RDR-4B Forward-Looking Windshear/Radar System.
FAA holder: B/E Aerospace Inc
ST00673WI-DOther aircraft modifications
Modification of Collins VHF-22A/VHF-22B VHF COMM Receiver Transmitter with CTL-22 Control Pro Line II System Installation to a Collins VHF-22C/VHF-22D VHF COMM Receiver Transmitter with CTL-22C Control 8.33 kHz Pro Line II System installation.
FAA holder: Rockwell Collins Inc
ST00682WI-DOther aircraft modifications
Modification of Collins VHF-20/VHF-20A/VHF-20B VHF COMM Receiver Transmitter with CTL-20 Control Pro Line I System Installation to a Collins VHF-22C/VHF-22D VHF COMM Receiver Transmitter with CTL-22C Control 8.33 kHz Pro Line II System Installation in accordance with Collins Installation Instructions as listed on AML No. ST00682WI-D, Revision -, or later FAA approved revisions.
FAA holder: Rockwell Collins Inc
ST02540AT-D (1)Fuel systems
Installation of replacement fuel tank sealant system.
FAA holder: FFC Manufacturing
ST01256WI-DAvionics
Modification of a Collins TPR-720, TPR-900 or TPR-901 Mode S Transponder System installation with an ATC/TCAS Control Panel to an Elementary Surveillance Compliant Collins TPR-901 Mode S Transponder System installation with a Flight ID/ATC/TCAS Control Panel in accordance with Collins Drawing Index as listed on AML No. ST01256WI-D, Revision -, or later FAA approved revision.
FAA holder: Rockwell Collins Inc
SA1076NEOther aircraft modifications
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
SA3549WEOther aircraft modifications
Installation of Garrett GTCP85-98CK Auxiliary Power Unit in the aft end of the forward baggage compartment.
FAA holder: Airweld Inc.
ST01305WI-DAvionics
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
SA1168EAEngine and powerplant
Installation of dual solar T-62T-40C2 gas turbine auxiliary power units, for ground use only. (707 series -351B).
FAA holder: PATS Aircraft LLC
SA5971NMCargo and special mission
Installation of flame reistant cargo covers.
FAA holder: Air Transport International LLC.
ST656SOCabin and interiors
Installation of Mace Galley Model No. 101 in aft passenger compartment and Mace Galley Model No. 102 in the forward passenger compartment. (707-321, 707-321B, 707-321C, and 707-331.) Installation is limited to left side of aircraft. No installation is to be made at Station 360 on 707-321C aircraft that has a seat-track joint at this station.
FAA holder: B/E Aerospace
SA5023SW-DAircraft connectivity
Reconfiguration of a Boeing 707-382B aircraft consisting of installation of dual Collins FD110 Flight Director System; triple Litton LTN-72; upgrade of communication, navigation, and other avionics; executive interior arrangement and furnishings; 40KVA Generators; Have Siren II; and a special Mission Communication System.
FAA holder: L-3 Communications Integrated Systems LP
SA5041SW-DOther aircraft modifications
Modification of the Have Siren configuration to rework the container pods for the self-defense system to accommodate a modified system.
FAA holder: L-3 Communications Integrated Systems LP
SA5042SW-DEngine and powerplant
Modificaton of the potable water system, installation of floor pans, handrail installation, battery bus disconnect, removal of the engine vibration monitoring (AVM) system; and Q-Spring heater modification.
FAA holder: L-3 Communications Integrated Systems LP
SA5043SW-DOther aircraft modifications
Replacement of the Mission Communications system.
FAA holder: L-3 Communications Integrated Systems LP
SA5049SW-DCabin and interiors
Interior and miscellaneous modificaton consisting of: Replacement of two staff room tables, re-arrangement of conference room seats, removal of fold-out table, replacement of Beta VCR with VHS VCR, change of VCR switching, installation of water barrier pans, deactivation of Airborne Vibration Monitor.
FAA holder: L-3 Communications Integrated Systems LP
SA1889SWOther aircraft modifications
Installation of Xerox duplicating machine Model 2600.
FAA holder: L-3 Communications Integrated Systems LP
SA2662SWOther aircraft modifications
Installationof a third Collins INS 61B as a backup to the #1 or #2 INS System.
FAA holder: L-3 Communications Integrated Systems LP
SA2663SWAircraft connectivity
Interior modification; communications; water tank and galley installations; external antenna systems (wing tip probes and long wire antennas); oxygen and power distribution system modifications.
FAA holder: L-3 Communications Integrated Systems LP