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Aircraft STC directory

Agusta SpA AB139 STCs

The Jun 30, 2026 FAA DRS snapshot contains 35 selected supplemental type certificates with status Current whose public applicability data names the Agusta SpA AB139. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

35
listed Current at snapshot
21
holder directories
10
modification categories
May 31, 2024
latest recorded revision

Modification demand surface

Other aircraft modifications14
Cabin and interiors7
Cargo and special mission4
Avionics2
Engine and powerplant2
Electrical systems2
Aircraft connectivity1
Safety and emergency equipment1
Landing gear and brakes1
Aircraft structures1

Recorded holders

Recently revised AB139 STCs

Showing the 35 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.