Installation of nacelle overwing storage lockers and lower flap fairing.
FAA holder: Raisbeck Engineering Inc.
Aircraft STC directory
The Jun 30, 2026 FAA DRS snapshot contains 34 selected supplemental type certificates with status Current whose public applicability data names the Raytheon Aircraft C90A. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
Showing the 34 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
FAA holder: Raisbeck Engineering Inc.
FAA holder: Raisbeck Engineering Inc.
FAA holder: Sierra Nevada Corporation/Integrated Mission Systems
FAA holder: McCauley Propeller Systems
FAA holder: Concorde Battery Corporation
FAA holder: Textron Aviation Inc
FAA holder: Paul/ Lanna Egan LLC
FAA holder: InspecTech Aero Service Inc.
FAA holder: S-TEC Corporation
FAA holder: Shadin Avionics
FAA holder: Blue Aviation LLC
FAA holder: Raytheon Aircraft Services Inc
FAA holder: King Air 90 HP LLC
FAA holder: Rockwell Collins Inc
FAA holder: Blackhawk Modifications Inc.
FAA holder: Rosen Sunvisor Systems LLC
FAA holder: SK Aircraft Company Inc
FAA holder: Aero-Mach Labs Inc.
FAA holder: Goodrich Avionics Systems Inc
FAA holder: Aviation Fabricators Inc
FAA holder: Aviall Services, Inc.
FAA holder: Raytheon Aircraft Services, Inc
FAA holder: Rockwell Collins Inc
FAA holder: Elliott Aviation Technical Products
FAA holder: Sugar Land Jet Center, A Texas Corporation
FAA holder: Garmin International Inc