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Aircraft STC directory

Boeing DC-9-81 (MD-81) STCs

The Jun 30, 2026 FAA DRS snapshot contains 108 selected supplemental type certificates with status Current whose public applicability data names the Boeing 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.

108
listed Current at snapshot
44
holder directories
12
modification categories
Dec 24, 2025
latest recorded revision

Modification demand surface

Other aircraft modifications50
Avionics20
Cabin and interiors14
Safety and emergency equipment8
Aircraft structures7
Fuel systems2
Cargo and special mission2
Aircraft performance1
Aircraft connectivity1
Electrical systems1
Landing gear and brakes1
Engine and powerplant1

Recorded holders

Safran Cabin Inc.10Honeywell International Inc10American Airlines Inc8LB Aircraft Engineering Inc5Bucher Aerospace Corporation5Woven Electronics LLC4Technical Aero Services Inc.4Aircraft Systems and Manufacturing Inc4Bruce Aerospace Inc.3Rockwell Collins Inc3Driessen Aircraft Interior Systems, Inc DBA Zodiac Galleys USA Inc3Acron Aviation Inc.2SBC-America LLC2Aviation Devices & Electronic Components LLC2Northrop Grumman Systems Corporation2BF Goodrich Aerospace2AIM Aviation Inc2Aircraft Systems & Mfg2The Boeing Company1Amphenol Cable and Interconnect Technologies Inc.1

Recently revised DC-9-81 (MD-81) STCs

Showing the 100 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.