Installation of Dual Digital Altimeters and associated equipment to obtain Reduced Vertical Separation Minimum (RVSM) Airworthiness approval.
FAA holder: Cheyenne Tech
Aircraft STC directory
The Jun 30, 2026 FAA DRS snapshot contains 16 selected supplemental type certificates with status Current whose public applicability data names the Piper Aircraft PA-42. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
Showing the 16 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
FAA holder: Cheyenne Tech
FAA holder: Aero-Mach Wilco LLC
FAA holder: Kaman Corporation Aircraft Wheel and Brake LLC
FAA holder: LifePort LLC
FAA holder: Spectrum Aeromed LLC dba Spectrum Aeromed
FAA holder: Textron Aviation Inc.
FAA holder: Aircraft Performance Modifications
FAA holder: Purolator Facet, Inc
FAA holder: Knots 2U Ltd.
FAA holder: Airline Fueling Inc.
FAA holder: Airline Fueling Inc.
FAA holder: Aero Transporte S.A. Dearborn and Flint Aviation Co. S.A.
FAA holder: Aviation Fabricators Inc
FAA holder: Rosen Sunvisor Systems LLC
FAA holder: Teledyne Battery Products