Aircraft STC directory

Boeing 707-300B Series STCs

The cited FAA DRS record snapshots contain 27 selected supplemental type certificates with their cited source statuses 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

dated FAA records

12

holder directories

10

modification categories

Oct 7, 2026

latest recorded revision

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.

ST01305WI-DAvionicsRevised Oct 7, 2026

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

SA2594WEAircraft structuresRevised Oct 20, 2025

Modify the installation of wing tip mounted emblem light.

FAA holder: The Boeing Company

SA3927NMSafety and emergency equipmentRevised Apr 11, 2025

Installation of floor proximity emergency escape path marking system.

FAA holder: Bruce Aerospace Inc.

ST01186SEOther aircraft modificationsRevised Sep 21, 2023

Group Reduced Vertical Separation Minimum (RVSM) airworthiness approval.

FAA holder: AeroMech Incorporated

ST02580ATElectrical systemsRevised Jun 2, 2022

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 modificationsRevised Oct 2, 2018

Introduction of a 16G New Generation Stretcher XL P/N 1120030-Series.

FAA holder: Bucher Leichtbau AG

SA3486WEAvionicsRevised Apr 12, 2016

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

SA3539WEAvionicsRevised Apr 12, 2016

Installation of single, palletized Litton LTN-51 or LTN-72 Inertial Navigation System (707-320C Series).

FAA holder: Northrop Grumman Systems Corporation

ST01329ATAvionicsRevised Sep 21, 2015

Installation of AlliedSignal RDR-4B Forward-Looking Windshear/Radar System.

FAA holder: B/E Aerospace Inc

ST00673WI-DOther aircraft modificationsRevised Jan 25, 2011

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 modificationsRevised Jan 25, 2011

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 systemsRevised Apr 16, 2009

Installation of replacement fuel tank sealant system.

FAA holder: FFC Manufacturing

ST01256WI-DAvionicsRevised Mar 17, 2009

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 modificationsRevised May 1, 2008

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 modificationsRevised Apr 28, 2008

Installation of Garrett GTCP85-98CK Auxiliary Power Unit in the aft end of the forward baggage compartment.

FAA holder: Airweld Inc.

ST01142WI-DAvionicsRevised Dec 14, 2006

Modification of a single or dual Collins TDR-94 or TDR-94D Mode S Transponder System installation with CTL-92 control head to a Flight ID capable Collins TDR-94 or TDR-94D Mode S Transponder System installation with CTL-92E control head.

FAA holder: Rockwell Collins Inc

SA1168EAEngine and powerplantRevised Jul 20, 2004

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 missionRevised May 5, 2003

Installation of flame reistant cargo covers.

FAA holder: Air Transport International LLC.

ST656SOCabin and interiorsRevised Aug 27, 2002

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 connectivityRevised Jul 29, 2002

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 modificationsRevised Jul 29, 2002

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 powerplantRevised Jul 29, 2002

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 modificationsRevised Jul 29, 2002

Replacement of the Mission Communications system.

FAA holder: L-3 Communications Integrated Systems LP

SA5049SW-DCabin and interiorsRevised Jul 29, 2002

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 modificationsRevised May 31, 2002

Installation of Xerox duplicating machine Model 2600.

FAA holder: L-3 Communications Integrated Systems LP

SA2662SWOther aircraft modificationsRevised May 31, 2002

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 connectivityRevised May 31, 2002

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