Aircraft STC directory
Raytheon Aircraft HS.125 Series 1B STCs
The Jun 30, 2026 FAA DRS snapshot contains 3 selected supplemental type certificates with status Current whose public applicability data names the Raytheon Aircraft HS.125 Series 1B. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
3
listed Current at snapshot
2
holder directories
2
modification categories
Jul 12, 2006
latest recorded revision
Modification demand surface
Recorded holders
Recently revised HS.125 Series 1B STCs
Showing the 3 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
Replacement of the original nickel-cadmium battery with a Concorde Valve Regulated Sealed-Lead-Acid (VRSLA) RG-125 series Battery in the Raytheon Model BH.125, DH.125 and HS.125 Airplanes in accordance with Concorde Battery Corporation Master Drawing List, Drawing No. 5-0207, Revision C, dated October 31, 2003, or later FAA approved revision.
FAA holder: Concorde Battery Corporation
Installation of Garrett Aviation auxiliary electrical hydraulic system.
FAA holder: AiResearch Aivation Service Co