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Aircraft STC directory

McDonnell Douglas DC-8-21 STCs

The Jun 30, 2026 FAA DRS snapshot contains 14 selected supplemental type certificates with status Current whose public applicability data names the McDonnell Douglas DC-8-21. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

14
listed Current at snapshot
10
holder directories
7
modification categories
Jun 15, 2016
latest recorded revision

Modification demand surface

Other aircraft modifications4Cabin and interiors3Cargo and special mission2Aircraft structures2Aircraft connectivity1Fuel systems1Safety and emergency equipment1

Recorded holders

Aeronautical Engineers, Inc4Rockwell Collins Inc1United Airlines Inc1Kosola & Associates Inc1United Air Lines Inc1FFC Manufacturing1Airweld Inc.1Honeywell International Inc1Goodrich Corporation1Saint-Gobain Performance Plastics Corp1

Recently revised DC-8-21 STCs

Showing the 14 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.