Installation of EarthX ETX680-24-TSO Lithium Battery.
FAA holder: EarthX Inc.
Aircraft STC directory
The Jun 30, 2026 FAA DRS snapshot contains 28 selected supplemental type certificates with status Current whose public applicability data names the Textron Aviation T210M. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
Showing the 28 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
FAA holder: EarthX Inc.
FAA holder: Aero Avionics Inc.
FAA holder: Western Skyways Aircraft Modifications Inc.
FAA holder: MT- Propeller Entwicklung GmbH
FAA holder: Kelly Aerospace Thermal Systems LLC
FAA holder: CAV Ice Protection Inc.
FAA holder: Western Skyways Aircraft Modifications Inc.
FAA holder: Curry Aviation LLC
FAA holder: Summit Aviation Inc.
FAA holder: Aero-Mach Wilco LLC
FAA holder: CE Aerostructures LLC
FAA holder: Honeywell International Inc
FAA holder: Honeywell International Inc
FAA holder: Honeywell International Inc
FAA holder: Honeywell International Inc
FAA holder: S-TEC Corporation
FAA holder: Fliegen Works Inc.
FAA holder: Sierra Industries Ltd.
FAA holder: Sierra Industries Ltd.
FAA holder: Sierra Industries Ltd.
FAA holder: Sierra Industries Ltd.
FAA holder: Sierra Industries Ltd.
FAA holder: Vitatoe Aviation LLC
FAA holder: Turboplus Aircraft Systems, Inc.
FAA holder: Griggs Aircraft Refinishing LLC
FAA holder: Knots 2U Ltd.
FAA holder: Star Aviation