Installation of EarthX ETX680-24-TSO Lithium Battery.
FAA holder: EarthX Inc.
Aircraft STC directory
The cited FAA DRS record snapshots contain 3 selected supplemental type certificates with status Current whose public applicability data names the Textron Aviation T240. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
Showing the 3 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: McCauley Propeller Systems
FAA holder: Kelly Aerospace Thermal Systems, LLC