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Aircraft STC directory

Boeing 707-400 Series STCs

The cited FAA DRS record snapshots contain 18 selected supplemental type certificates with status Current whose public applicability data names the Boeing 707-400 Series. 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
11
holder directories
8
modification categories
Oct 7, 2026
latest recorded revision

Recently revised 707-400 Series STCs

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