Aircraft STC directory

Cessna Aircraft 525A STCs

The cited FAA DRS record snapshots contain 31 selected supplemental type certificates with status Current whose public applicability data names the Cessna Aircraft 525A. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

31

listed Current at snapshot

14

holder directories

6

modification categories

Oct 7, 2026

latest recorded revision

Recently revised 525A STCs

Showing the 31 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.

ST01305WI-DAvionicsRevised Oct 7, 2026

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

SA01903CHOther aircraft modificationsRevised Mar 19, 2019

Replacement of certain Goodrich pneumatic deicer boots.

FAA holder: SMR Technologies Inc

SA03241CHCargo and special missionRevised Feb 28, 2019

Install air ambulance conversion.

FAA holder: Spectrum Aeromed LLC dba Spectrum Aeromed

SA01728WIAvionicsRevised May 11, 2016

Installation of Garmin GTN 650/750 MFD/Navigation System.

FAA holder: Textron Aviation Inc

SA01430WI-DOther aircraft modificationsRevised Jan 8, 2014

Modification of a Rockwell Collins, Inc. Data Base Unit (DBU).

FAA holder: Rockwell Collins Inc

SA03322NYAvionicsRevised Aug 27, 2013

The installation of a Dual Garmin GTX 330D Mode S Transponder System.

FAA holder: Jet Aviation GmbH

SA03276NYAvionicsRevised Aug 22, 2013

The upgrade of existing Dual Garmin GTX 330D Transponder System for Enhanced Surveillance.

FAA holder: Jet Aviation GmbH

SA01717WIAircraft connectivityRevised Aug 9, 2013

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-DAvionicsRevised Nov 6, 2012

Modification of a Rockwell Collins, Inc. Global Positioning System (GPS) installation.

FAA holder: Rockwell Collins Inc

SA01676WIOther aircraft modificationsRevised Aug 1, 2012

Modification of a Rockwell Collins, Inc. File Server Unit (FSU).

FAA holder: Rockwell Collins Inc

SA00907WI-DOther aircraft modificationsRevised May 7, 2012

Modification of a Rockwell Collins, Inc. TCAS II system installation to Change 7.0 or Change 7.1.

FAA holder: Rockwell Collins Inc

SA03051NYAvionicsRevised Jan 17, 2012

Installation of Honeywell Aerospace ACAS-II System with Dual MST-67A Mode S Transponder.

FAA holder: RUAG Aerospace Services GmbH

SA01472WI-DAvionicsRevised Oct 14, 2011

Modification of a Rockwell Collins Weather Radar System installation.

FAA holder: Rockwell Collins Inc

SA01636WI-DOther aircraft modificationsRevised Jul 27, 2011

Modification of Rockwell Collins, Inc. VHF-4000 and VHF-4000E installations.

FAA holder: Rockwell Collins Inc

SA00243BO (3 OF 5)AvionicsRevised Jul 21, 2011

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

SA02347LAAvionicsRevised Mar 2, 2011

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

SA01085LA (PAGE 2)AvionicsRevised Apr 26, 2010

Installation of the VNS 1000 Voice Navigation System.

FAA holder: VNS Incorporated

SA01563WI-DAvionicsRevised Mar 2, 2010

Modification of a Rockwell Collins, Inc. RAC-870 Radio Altimeter Converter installation.

FAA holder: Rockwell Collins Inc

SA015444WI-DAvionicsRevised Feb 11, 2010

Modification of a Rockwell Collins, Inc. AFD-3010 and AFD-3010E Adaptive Flight Display Installation in Part 23 Aircraft.

FAA holder: Rockwell Collins Inc

ST02540AT-D (2)Fuel systemsRevised Apr 15, 2009

Installation of replacement fuel tank sealant system.

FAA holder: FFC Manufacturing

SA01649CH-DAvionicsRevised Sep 16, 2008

Installation of Rockwell Collins ProLine 21 Communication, Navigation, and Surveillance (CNS) System.

FAA holder: Duncan Aviation Inc

SA014772WI-DAvionicsRevised Mar 31, 2008

Modification of a Rockwell Collins Weather Radar System installation.

FAA holder: Rockwell Collins Inc

SA01453WI-DAvionicsRevised Sep 25, 2007

Modification of a Collins Flight Management System, type FMS-3000 Installation in Part 23 Aircraft.

FAA holder: Rockwell Collins Inc

ST01645SEOther aircraft modificationsRevised Apr 27, 2006

Cockpit Sun Visor installation.

FAA holder: Rosen Sunvisor Systems LLC

SA2150NMOther aircraft modificationsRevised Mar 28, 2006

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

SA01487SE (5 OF 5Aircraft connectivityRevised Aug 24, 2005

Installation of a GDL 69 or GDL 69A XM Satellite Receiver in accordance with Garmin Supplemental Type Certificate Master Data List, P/N 005-C0217-00, Revision A, dated December 20, 2004, or later FAA approved revision.

FAA holder: Garmin AT Inc.

SA01336WI-DAvionicsRevised Aug 4, 2005

Modification of a Collins CDU-2000/3000 Control Display Unit(s) installation.

FAA holder: Rockwell Collins Inc

SA01313WI-DOther aircraft modificationsRevised Jun 28, 2005

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

SA02217AK (3 OF 5Other aircraft modificationsRevised Nov 30, 2004

Installation of Garmin AT Model GDL90 UAT Data Link System, in accordance with Garmin AT, Inc., GDL 90 UAT Master Data List, P/N 560-0278-01, Revision A, dated November 12, 2004, or later FAA approved revision.

FAA holder: Garmin AT Inc.

SA01203LAElectrical systemsRevised Mar 19, 2002

Installation of Teledyne Battery Products G-6381ES sealed lead-acid battery.

FAA holder: Teledyne Battery Products

SA01394CH-DOther aircraft modificationsRevised Nov 29, 2001

Installation of an AlliedSignal CAS-66A Traffic Alert and Collision Avoidance System (TCAS I).

FAA holder: ElectroSonics