Installation of closet/stowage units.
FAA holder: Safran Cabin Inc.
Aircraft STC directory
McDonnell Douglas DC-9-81 (MD-81) STCs
The Jun 30, 2026 FAA DRS snapshot contains 55 selected supplemental type certificates with status Current whose public applicability data names the McDonnell Douglas DC-9-81 (MD-81). Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
55
listed Current at snapshot
36
holder directories
10
modification categories
Jul 18, 2025
latest recorded revision
Modification demand surface
Recorded holders
Honeywell International Inc7Amphenol Cable and Interconnect Technologies Inc.4Safran Cabin Inc.3HAECO Cabin Solutions LLC3Page AvJet Corp2Aircraft Modular Products Inc.2Aircraft Systems & Mfg2ASTECH Engineered Products Inc.2Repairtech Intl2Acron Aviation Inc.1TDG Aerospace Inc1Lamart California Inc1ABX Air Incorporated1AIM Aviation Inc1NASCO Aircraft Brake Inc1Teledyne Controls1Aircraft Food Service Equipment Repair1EJM Aerospace Services1Leading Edge Group LLC, The1TASS Inc1
Recently revised DC-9-81 (MD-81) STCs
Showing the 55 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
Installation of galleys, closets, lavatories and partitions.
FAA holder: Safran Cabin Inc.
Installation of Flight Systems Cabin Surveillance System (CSS).
FAA holder: Acron Aviation Inc.
Installation of an AlliedSignal CAS-81 TCAS II System with dual AlliedSignal Mode S Transponders.
FAA holder: Amphenol Cable and Interconnect Technologies Inc.
Installation of a Rockwell Collins GNLS-910 GPS Flight Management System.
FAA holder: Amphenol Cable and Interconnect Technologies Inc.
Installation of an AlliedSignal MK-VII Enhanced Ground Proximity Warning System.
FAA holder: Amphenol Cable and Interconnect Technologies, Inc.
Installation of Universal Avionics System Corporation Multi-Function Display.
FAA holder: Amphenol Cable and Interconnect Technologies, Inc.
Installation of CAS-81 TCAS II system.
FAA holder: Honeywell International Inc.
Installation of Dual TRA-67 Model S Transponder system.
FAA holder: Honeywell International Inc.
Installation of King KNS-660 flight management system.
FAA holder: Honeywell International Inc
Installation of King KNS 660 flight management system.
FAA holder: Honeywell International Inc
Installation of an electronic flight insrument system (EFIS).
FAA holder: Honeywell International Inc
Installation of a flight management system (FMS).
FAA holder: Honeywell International Inc
Installation of NOFOD Overwing Anti-Ice System.
FAA holder: TDG Aerospace Inc
Installation of Collins DLM-900 Acars system.
FAA holder: HAECO Cabin Solutions LLC
Installation of Collins VHF-900 Communication system.
FAA holder: HAECO Cabin Solutions LLC
Installation of Collins DLM-900 ACARS system with a Miltope printer, in a provisioned aircraft.
FAA holder: HAECO Cabin Solutions LLC
Insulation Blankets Installation.
FAA holder: Lamart California Inc.
Installation and Replacement of Brake Components.
FAA holder: NASCO Aircraft Brake Inc
Installation of replacement Immersion Heater.
FAA holder: Aircraft Food Service Equipment Repair
Installation of a dual Canadian Marconi Co CMA-900 Flight Management System.
FAA holder: EJM Aerospace Services
Installation of a two tank auxiliary fuel system in Mid Cargo Compartment.
FAA holder: Leading Edge Group LLC, The
Installation of Collins ACARS and Third VHF communication system.
FAA holder: American Airlines Inc
Installation of a single Collins ARINC 708 weather radar system(WXR-700).
FAA holder: Page AvJet Corp
Installation of side facing coat closet between fuselage stations(FS) 230 and FS 280.
FAA holder: Aircraft Modular Products Inc.
Installation of class divider.
FAA holder: Aircraft Modular Products Inc.
Installation of a Dual Honeywell flight management system with Triple Honeywell YG 1852B inertial reference system.
FAA holder: Jefferson Waterman International
Installation of ASTECH/MCI tailpipe assembly.
FAA holder: ASTECH Engineered Products Inc.
Installation of air to ground public telephone communication system.
FAA holder: GTE Airfone Incorporated
Installation of interior modification.
FAA holder: Midwest Express Airlines
Installation of Universal Avionics Multi-Function Display Model 640.
FAA holder: Aircraft Systems & Mfg
Installation of Collins WXR-700X Weather Radar with Forward Looking Windshear.
FAA holder: Rockwell Collins Inc
Installation of Honeywell traffic alert and collision avoidance system(TCAS II).
FAA holder: ACSS (Aviation Communication and Surveillance Syst
Installation of a Trimble TNL 2100T global positioning system.
FAA holder: JanzAir Consulting Services
Installation of Claircom Air Terminal systems.
FAA holder: Claircom Communications Group LP
Installation of electrothermal upper wing anti-ice system.
FAA holder: Honeywell International Inc.
Installation of left and right wing trailing edge interconnect wire harness system.
FAA holder: Aviation Devices & Electronic Components LLC
Installation of a passenger cabin food service cart P/N E500161 or P/N E500161, Rev C.
FAA holder: Driessen Aircraft Interior Systems USA, Inc
Reconfiguration of passenger seating arrangement to 8 FC/135 TC.
FAA holder: Aero Design Services, Inc
Installation of beverage cart with portable beverage system.
FAA holder: Sterling Beverage Systems, Inc
Installation of a smoke detection and fire suppression system in the lower cargo compartments.
FAA holder: Jetaire Aerospace & Technology Inc
Manufacture of Beverage Carrier, P/N 1608-502.
FAA holder: BFE Services