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Aircraft STC directory

Leonardo Spa AB139 STCs

The Jun 30, 2026 FAA DRS snapshot contains 18 selected supplemental type certificates with status Current whose public applicability data names the Leonardo Spa AB139. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

18
listed Current at snapshot
10
holder directories
5
modification categories
Feb 13, 2026
latest recorded revision

Modification demand surface

Other aircraft modifications10
Avionics3
Cargo and special mission2
Aircraft connectivity2
Cabin and interiors1

Recorded holders

Recently revised AB139 STCs

Showing the 18 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.