Skip to content

Aircraft STC directory

McDonnell Douglas DC-9-83 STCs

The Jun 30, 2026 FAA DRS snapshot contains 49 selected supplemental type certificates with status Current whose public applicability data names the McDonnell Douglas DC-9-83. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

49
listed Current at snapshot
26
holder directories
9
modification categories
Jul 18, 2025
latest recorded revision

Modification demand surface

Other aircraft modifications19
Aircraft structures7
Avionics7
Cabin and interiors5
Aircraft connectivity4
Safety and emergency equipment2
Cargo and special mission2
Engine and powerplant2
Landing gear and brakes1

Recorded holders

Recently revised DC-9-83 STCs

Showing the 49 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.