Installation of RMCI Inc. Expandable Rotorcraft Diagnostic System (XRDS).
FAA holder: Sterling Helicopter
Aircraft STC directory
The Jun 30, 2026 FAA DRS snapshot contains 11 selected supplemental type certificates with status Current whose public applicability data names the Leonardo Spa A109E. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
Showing the 11 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
FAA holder: Sterling Helicopter
FAA holder: AMS Heli Design
FAA holder: Hartzell Propeller LLC
FAA holder: Horizon Design Services Ltd.
FAA holder: Helifab East LLC
FAA holder: SAAB AKTIEBOLAG
FAA holder: Diagnostic Solution International LLC
FAA holder: Appareo Systems LLC
FAA holder: StandardAero Business Aviation Services LLC
FAA holder: Avio Design Group Inc
FAA holder: Teledyne Battery Products