Aircraft STC directory
Beechcraft 390 STCs
The Jun 30, 2026 FAA DRS snapshot contains 6 selected supplemental type certificates with status Current whose public applicability data names the Beechcraft 390. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
6
listed Current at snapshot
5
holder directories
4
modification categories
May 28, 2024
latest recorded revision
Modification demand surface
Recently revised 390 STCs
Showing the 6 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
Installation of Garmin GTX 3000 Transponders, GDL 88 GPS/WAAS/UAT with ADS-B (Out), and optional Flight Stream 110.
FAA holder: Elliott Aviation Technical Products Development, Inc.
Replacement of flush-mounted Lower Beacon Light in lower fuselage and installation of an Upper Beacon Light on the vertical tail.
FAA holder: DeVore Aviation Corporation of America, a New Mexico Corporation