SA01903CHOther aircraft modifications
Replacement of certain Goodrich pneumatic deicer boots.
FAA holder: SMR Technologies Inc
Aircraft STC directory
Cessna Aircraft 525B STCs
The Jun 30, 2026 FAA DRS snapshot contains 19 selected supplemental type certificates with status Current whose public applicability data names the Cessna Aircraft 525B. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
19
listed Current at snapshot
7
holder directories
4
modification categories
Mar 19, 2019
latest recorded revision
Modification demand surface
Avionics9
Other aircraft modifications8
Cargo and special mission1
Aircraft connectivity1
Recently revised 525B STCs
Showing the 19 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
SA03241CHCargo and special mission
Install air ambulance conversion.
FAA holder: Spectrum Aeromed LLC dba Spectrum Aeromed
SA01430WI-DOther aircraft modifications
Modification of a Rockwell Collins, Inc. Data Base Unit (DBU).
FAA holder: Rockwell Collins Inc
SA01717WIAircraft connectivity
Installation of an Aircell High Speed Internet System (AHSI) with Wireless Local Area Network (WLAN) and Axxess II Iridium Phone System in Cessna 525A airplanes and activation of Wireless Local Area Network on Cessna 525B airplanes.
FAA holder: Duncan Aviation Inc
SA01434WI-DAvionics
Modification of a Rockwell Collins, Inc. Global Positioning System (GPS) installation.
FAA holder: Rockwell Collins Inc
SA01676WIOther aircraft modifications
Modification of a Rockwell Collins, Inc. File Server Unit (FSU).
FAA holder: Rockwell Collins Inc
SA00907WI-DOther aircraft modifications
Modification of a Rockwell Collins, Inc. TCAS II system installation to Change 7.0 or Change 7.1.
FAA holder: Rockwell Collins Inc
SA01472WI-DAvionics
Modification of a Rockwell Collins Weather Radar System installation.
FAA holder: Rockwell Collins Inc
SA01636WI-DOther aircraft modifications
Modification of Rockwell Collins, Inc. VHF-4000 and VHF-4000E installations.
FAA holder: Rockwell Collins Inc
SA00243BO (3 OF 5)Avionics
Installation of Centurion Consulting, Inc. GPS Steering Assist Module (SAM) with roll steering (p/n 0025-5100), or without roll steering (p/n 0025-5200).
FAA holder: Icarus Avionics, LLC
SA02347LAAvionics
Installation of Universal Avionics Solid State Data Transfer Unit (SSDTU), P/N 1408-( ), operating software SCN 10.X, in accordance with FAA Approved UASC Master Drawing List, Document No. MDL-2010-1001, Revision 03 , dated 28 January 2011, or later FAA approved revision. The Instructions for Continued Airworthiness (ICA) is called out in the above referenced Master Drawing Lists (MDL).
FAA holder: Universal Avionics Systems Corp
SA015444WI-DAvionics
Modification of a Rockwell Collins, Inc. AFD-3010 and AFD-3010E Adaptive Flight Display Installation in Part 23 Aircraft.
FAA holder: Rockwell Collins Inc
SA014772WI-DAvionics
Modification of a Rockwell Collins Weather Radar System installation.
FAA holder: Rockwell Collins Inc
SA01453WI-DAvionics
Modification of a Collins Flight Management System, type FMS-3000 Installation in Part 23 Aircraft.
FAA holder: Rockwell Collins Inc
ST01305WI-DAvionics
Modification of a Collins ALT-50A or ALT-55B Radio Altimeter system installation to a Collins ALT-1000 or ALT-4000 Radio Altimeter system installation in accordance with Collins Drawing Index as listed on AML No. ST01305WI-D, Revision -, or later FAA approved revision.
FAA holder: Rockwell Collins Inc
ST01645SEOther aircraft modifications
Cockpit Sun Visor installation.
FAA holder: Rosen Sunvisor Systems LLC
SA2150NMOther aircraft modifications
Cockpit Sun Visor installation in accordance with FAA approved ROSEN Drawing List Number R500S-00DL, dated August 29, 1983, or later FAA approved revisions.
FAA holder: Rosen Sunvisor Systems LLC
SA01336WI-DAvionics
Modification of a Collins CDU-2000/3000 Control Display Unit(s) installation.
FAA holder: Rockwell Collins Inc
SA01313WI-DOther aircraft modifications
Modification of a Collins TVI-920/TVI-920D Vertical Speed/TCAS Indicator installation in accordance with Collins Drawing Index as listed on AML No. SA01313WI-D, Revision -, or later FAA approved revision.
FAA holder: Rockwell Collins Inc