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Aircraft STC directory

Cessna Aircraft 425 STCs

The Jun 30, 2026 FAA DRS snapshot contains 29 selected supplemental type certificates with status Current whose public applicability data names the Cessna Aircraft 425. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

29
listed Current at snapshot
22
holder directories
9
modification categories
Sep 20, 2022
latest recorded revision

Modification demand surface

Other aircraft modifications10
Cargo and special mission4
Avionics4
Electrical systems3
Propellers3
Flight controls2
Aircraft structures1
Landing gear and brakes1
Fuel systems1

Recorded holders

Rockwell Collins Inc3Aero-Mach Wilco LLC2Aviation Fabricators Inc2S-TEC Corporation2Genesys Aerosystems Inc.1LifePort LLC1The NORDAM Group LLC1SMR Technologies Inc1Spectrum Aeromed LLC dba Spectrum Aeromed1Paul/ Lanna Egan LLC1MT- Propeller Entwicklung GmbH1Spoilers Inc1P2 Incorporated1Snaky Creek Enterprises LLC dba Spectrum Aeromed1SMR Technologies1Shadin Avionics1McCauley Propeller Systems1Avidyne Corporation1Garmin AT Inc.1Rosen Sunvisor Systems LLC1

Recently revised 425 STCs

Showing the 29 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.

SA09636ACFlight controls

Installation of S-TEC 01304 Digital Flight Control System (DFCS), Three Axis Automatic Flight Guidance System Part No. 01304-04-01-007, in accordance with Master Data List 921231, Revision 5, dated 9-14-2004, or later FAA approved revision for Cessna 425. FAA approved Airplane Flight Manual Supplement No. 892135, dated 9-20-2004, or later FAA approved revision is required for Cessna 425 with S-TEC 01304 DFCS.

FAA holder: S-TEC Corporation

View record
SA09637ACAvionics

Installation of single S-TEC Meggitt Electronic Flight Instrument System (EFIS) in accordance with Master Data List 921229-02, Revision 5; or dual S-TEC Meggitt EFIS in accordance with Master Data List 921229-03, Revision 6, both dated 9-15-2004, or later FAA approved revision for Cessna 425. FAA approved Airplane Flight Manual Supplement No. 892136, dated 9-20-2004, or later FAA approved revision is required for Cessna 425 with single or dual S-TEC Meggitt EFIS.

FAA holder: S-TEC Corporation

View record