# TCDS A1WI: Textron Aviation Inc. - Type: Type certificate data sheet - Status: Current - Holder: Textron Aviation Inc. - Revision: 34 - Revised: January 5, 2026 - Product: Aircraft, Small Airplane - Certification basis: Part 23 - Registered aircraft: 1,970, by the registry models matched to it (OpenAirDocs) - Data sheet PDF: https://openairdocs.org/files/sha256/fd/9f/fd9fc2c3120a639f75b1cc50bb8e5eb21460680a0db28d00548bcf9721623e10 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID190404177620260105195202.0001 - Page: https://openairdocs.org/tcds/A1WI ## Models (4) As the data sheet lists them. - 525 - 525C - 525B - 525A ## ADs (27, in force first) - [AD 2026-03-06](https://openairdocs.org/ad/2026-03-06): Vertical Stabilizer Structure, Nacelle/Pylon, Attach Fittings · Textron 525B. Effective Mar 13, 2026 - [AD 2024-15-09](https://openairdocs.org/ad/2024-15-09): Gust Lock/Damper System · Textron 525, 525A and 525B with STC SA03842NY. Effective Oct 22, 2024 - [AD 2023-10-02](https://openairdocs.org/ad/2023-10-02): Indicating/Recording System, Navigation · Boeing 18, 23, 35 and 1,060 more. Effective May 26, 2023 - [AD 2021-05-17](https://openairdocs.org/ad/2021-05-17): NAVIGATION SYSTEM · Rockwell Collins FDSA-6500, CL-600-2B16 (CL-604), 525B and 7 more. Effective Apr 29, 2021 - [AD 2020-24-06](https://openairdocs.org/ad/2020-24-06): Flight Controls · Textron 525, 525A and 525B with STC SA03842NY. Effective Dec 28, 2020 - [AD 2017-22-14](https://openairdocs.org/ad/2017-22-14): Navigation · Bombardier BD-100-1A10 (Challenger 300), BD-500-1A10, BD-500-1A11 and 13 more. Effective Dec 20, 2017 - [AD 2014-18-01](https://openairdocs.org/ad/2014-18-01): Navigation · Bombardier ATR42-200, ATR42-300, ATR42-320 and 23 more. Effective Oct 14, 2014 - [AD 2013-08-05](https://openairdocs.org/ad/2013-08-05): Air Conditioning · Cessna 525. Effective May 30, 2013 - [AD 2011-21-51](https://openairdocs.org/ad/2011-21-51): Battery/Charger · Cessna 525C. Effective Nov 1, 2011 - [AD 2010-12-01](https://openairdocs.org/ad/2010-12-01): Engine · Cessna 525A. Effective Jul 22, 2010 - [AD 2006-16-18 R1](https://openairdocs.org/ad/2006-16-18-R1): Installing a warning placard on the TAWS/RMI · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 100 more. Effective Jul 18, 2008 - [AD 2008-12-01](https://openairdocs.org/ad/2008-12-01): Firewall sealant · Cessna 525. Effective Jul 16, 2008 - [AD 2008-03-10](https://openairdocs.org/ad/2008-03-10): Lower wing skin structure · Cessna 525, 525A and 525B. Effective Mar 11, 2008 - [AD 2007-23-16](https://openairdocs.org/ad/2007-23-16): Electrical power relay circuit protection kit · Cessna 525B. Effective Dec 19, 2007 - [AD 2005-17-11](https://openairdocs.org/ad/2005-17-11): Fire extinguisher bottles · Cessna 525, 525A and 525B. Effective Oct 7, 2005 - [AD 2004-14-20](https://openairdocs.org/ad/2004-14-20): Pitch trim circuit breaker and AP servo circuit breaker · Cessna 525. Effective Aug 23, 2004 - [AD 2004-08-15](https://openairdocs.org/ad/2004-08-15): TAWS8000 terrain awareness warning systems (TAWS) · Cessna 421, 500, 501 and 18 more. Effective Jun 7, 2004 - [AD 2002-20-09](https://openairdocs.org/ad/2002-20-09): Adaptive flight display units · Bombardier CL-600-2A12 (CL-601), 525, 525A and 5 more. Effective Nov 12, 2002 - [AD 2001-23-17](https://openairdocs.org/ad/2001-23-17): GNS 430 units · Cessna 172, 182, 206 and 209 more. Effective Dec 28, 2001 - [AD 2001-02-13](https://openairdocs.org/ad/2001-02-13): Power Battery Switches · Cessna 525. Effective Feb 28, 2001 - [AD 97-05-03 R1](https://openairdocs.org/ad/97-05-03-R1): Global Positioning Systems · BAE Systems Avro 146-RJ100A, BAe 146-200A, Jetstream Model 4101 and 27 more. Effective Apr 20, 1999 - [AD 98-25-02](https://openairdocs.org/ad/98-25-02): Top-mounted Antenna · Bell Helicopter Textron Canada 407, 172, 172A and 243 more. Effective Dec 22, 1998 - [AD 97-01-02](https://openairdocs.org/ad/97-01-02): MLG Trunnion Pins · Cessna 525. Effective Jan 15, 1997 - [AD 2019-12-09](https://openairdocs.org/ad/2019-12-09) (historical): Navigation · Bombardier CL-600-2B16 (CL-604), Flight Display System Application FDSA-6500, 525B and 13 more. Effective Jul 23, 2019 - [AD 2019-08-13](https://openairdocs.org/ad/2019-08-13) (historical): Flight Controls · Textron 525, 525A and 525B with STC SA03842NY. Effective May 24, 2019 - [AD 2009-24-13](https://openairdocs.org/ad/2009-24-13) (historical): Engine exhaust · Cessna 525A. Effective Dec 15, 2009 - [AD 2003-21-07](https://openairdocs.org/ad/2003-21-07) (historical): Pitch trim circuit breaker · 525. Effective Oct 22, 2003 ## Registered aircraft by registry model (OpenAirDocs) - [Cessna 525](https://openairdocs.org/model/cessna-525): 448 aircraft (registry codes 2076601, 2076653) - [Cessna 525B](https://openairdocs.org/model/cessna-525b): 358 aircraft (registry codes 2076616, 2076655) - [Cessna 525A](https://openairdocs.org/model/cessna-525a): 282 aircraft (registry code 2076615) - [Textron 525C](https://openairdocs.org/model/textron-525c): 258 aircraft (registry codes 2076628, 05642I6) - [Textron 525B](https://openairdocs.org/model/textron-525b): 243 aircraft (registry code 2076619) - [Textron 525](https://openairdocs.org/model/textron-525): 222 aircraft (registry code 2076611) - [Cessna 525C](https://openairdocs.org/model/cessna-525c): 159 aircraft (registry codes 2076618, 2076620) - [Textron 525A](https://openairdocs.org/model/textron-525a): 0 aircraft (registry code 2076613) ## STCs approved under this data sheet (150, first 50) - [STC ST01305WI-D](https://openairdocs.org/stc/ST01305WI-D): 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.. Rockwell Collins Inc - [STC SA01844WI](https://openairdocs.org/stc/SA01844WI): Installation of Garmin GFC 600 Automatic Flight Control System. Garmin International Inc. - [STC SA02279AT](https://openairdocs.org/stc/SA02279AT): Installation of a Boom Beam bulb, starter, and ballast. Whelen Aerospace Technologies - [STC SA04837NY](https://openairdocs.org/stc/SA04837NY): Installation of AeroLED's Holdings, LLC., position lights, navigation lights, strobe lights and beacon lights. AeroLED's Holdings, LLC - [STC SA12030NY](https://openairdocs.org/stc/SA12030NY): Installation of the position/anti-collision LED lights and LED beacon light. Whelen Aerospace Technologies - [STC SA04750NY](https://openairdocs.org/stc/SA04750NY): Installation of the Electric Flushing Toilet and External Service Panel. Skyway Group Inc. - [STC SA12345IB](https://openairdocs.org/stc/SA12345IB): Replacement of the Halon Type 1211 portable fire extinguisher with the Halotron BrX portable fire extinguisher. Cessna Duesseldorf Citation Service Center GmbH - [STC SA2622NM](https://openairdocs.org/stc/SA2622NM): Installation of Precise Flight Pulselite Control Unit in landing/taxi system. (767-200 B17) (DHC-8 101). Precise Flight Inc. - [STC SA02017WI](https://openairdocs.org/stc/SA02017WI): The Installation of the Parker-Meggitt iPRESS™ System. 3S Certification LLC - [STC SA12014LA](https://openairdocs.org/stc/SA12014LA): Installation of aluminum and fiberglass wheel covers. Premiere-Aviation Inc. - [STC SA04619CH](https://openairdocs.org/stc/SA04619CH): INSTALL SMARTSKY LITE SYSTEM. Apcela IFC JV, LLC dba Apcela ATG - [STC SA11158SC](https://openairdocs.org/stc/SA11158SC): Demonstration of aircraft tolerance to potential electromagnetic interference from certain Transmitting Potable Electronic Devices (T-PEDS). Liberty Partners Inc. - [STC SA12180IB](https://openairdocs.org/stc/SA12180IB): Installation of Gogo AVANCE L5/LX5. Sky Service F.B.O. Inc. - [STC SA11300DS](https://openairdocs.org/stc/SA11300DS): Upgrade previously installed Collins Aerospace Radar Altimeter. BHE & Associates Ltd. - [STC SA09887AC](https://openairdocs.org/stc/SA09887AC): Installation of an Avionica MK-III mini Quick Access Recorder (QAR) and optional 4G or LTE Avionica Cellular Module (avCM. Aircraft Systems and Manufacturing Inc. - [STC SA11874LA](https://openairdocs.org/stc/SA11874LA): Installation of Collins Iridium Certus Satcom. Q.C.M. Design GmbH - [STC SA11301DS](https://openairdocs.org/stc/SA11301DS): Installation of an AirSync flight data monitoring system. BHE & Associates Ltd. - [STC SA01848WI](https://openairdocs.org/stc/SA01848WI): Modification of a Rockwell Collins Global Positioning System (GPS). Rockwell Collins Inc. - [STC SA00209IB](https://openairdocs.org/stc/SA00209IB): Installation of Single Garmin GTN 725(Xi)/GTN 750 (Xi) Unit and optional Garmin Flight Stream FS 510. AVIONIK STRAUBING ENTWICKLUNGS GmbH - [STC SA00205IB](https://openairdocs.org/stc/SA00205IB): Installation of Rockwell Collins TCAS II. Mid-Canada Mod Center - [STC SA04051CH](https://openairdocs.org/stc/SA04051CH): Certification of Automatic Dependent Surveillance - Broadcast (ADS-B) Out System with Rockwell Collins TDR-94/-94D Transponders. CMD Flight Solutions LLC - [STC SA03316CH](https://openairdocs.org/stc/SA03316CH): Activation of an 802.11 a/b/g/n WiFi System. Elliott Aviation Technical Products Development Inc. - [STC SA02658SE (2 OF 2)](https://openairdocs.org/stc/SA02658SE%20(2%20OF%202)): Installation of Garmin GI 275 Multi-Function Display System. Garmin International Inc. - [STC SA11219SC](https://openairdocs.org/stc/SA11219SC): Installation of a Rockwell Collins Pro Line Fusion ® embedded display system (EDS) with updated flight recorder data outputs for interface with the Digital Flight Data Recorder (DFDR). BHE & Associates LTD - [STC SA00120IB](https://openairdocs.org/stc/SA00120IB): Installation of the Universal Kapture Cockpit Voice Recorder (CVR) with Recorder Independent Power Supply (RIPS). Avmax Aviation Services Inc. - [STC SA02010WI](https://openairdocs.org/stc/SA02010WI): Installation of the Mid-Continent Instruments & Avionics MD23 FLEX Custom Function Display (CFD). Mid-Continent Instruments and Avionics - [STC SA10245SC](https://openairdocs.org/stc/SA10245SC): Installation of Heads Up Technologies, Inc. XM 400 Radio Receiver and Antenna System. Heads Up Technologies Inc. - [STC SA00093IB](https://openairdocs.org/stc/SA00093IB): Installation of the provisions for wireless connection of a PED/EFB to Garmin G3000 avionics via Garmin FS-510. CESSNA DUESSELDORF CITATION - [STC SA00076IB](https://openairdocs.org/stc/SA00076IB): Installation of Photo luminescent Safety Systems. STG AEROSPACE GERMANY GmbH - [STC SA01832WI](https://openairdocs.org/stc/SA01832WI): Installation of the SATCOM Direct Wide body Antenna on the Textron Aviation Model 525B. Delta Engineering Corporation - [STC SA01846WI](https://openairdocs.org/stc/SA01846WI): Installation of the Satcom Direct LTE Hub on the Textron Aviation Model 525B. Delta Engineering Corporation - [STC SA01879WI](https://openairdocs.org/stc/SA01879WI): Installation of the Satcom Direct WiFi Hub 2.0 on the Textron Aviation Inc. Model 525B. Delta Engineering Corporation - [STC SA03584NY](https://openairdocs.org/stc/SA03584NY): Installation of a SatCom Direct Wi-Fi Hub. Delta Engineering Corporation - [STC ST00011WI](https://openairdocs.org/stc/ST00011WI): Installation of Concorde RG380E/40 and 40B battery.. Aero-Mach Wilco LLC - [STC SA11299DS](https://openairdocs.org/stc/SA11299DS): An update to the exisiting Collins Aerospace Integrated Flight Information System (IFIS) FSU-5010 and upgrade the existing XMWR-1000 to a XMWR-1000S (Sirius XM) in Part 23 aircraf. BHE & Associates LTD - [STC SA01990WI](https://openairdocs.org/stc/SA01990WI): Installation of Gogo Biz AVANCE L5 4G ATG System. Textron Aviation Inc - [STC SA01085DE](https://openairdocs.org/stc/SA01085DE): Master Drawing List, Doc No. MDL-TXT-001, LinxUs Legacy, Issue IR.1,. Textron Aviation Inc - [STC SA00024IB](https://openairdocs.org/stc/SA00024IB): Installation of S/W 6.71 updated Garmin GTN6/750 or alternatively GTN6/750Xi navigation instruments, with Garmin Flight Stream 510 Bluetooth in accordance with Avionik Straubing. Avionik Straubing Entwicklungs GmbH - [STC SA02272SE](https://openairdocs.org/stc/SA02272SE): Installation of a Crane Aerospace & Electronics Tire Sensor Assembly. ELDEC Corporation - [STC SA09856AC](https://openairdocs.org/stc/SA09856AC): Installation of BendixKing Aerowave 100 In-flight Data Link System for non-essential, non-required aircraft Cabin Systems & Equipments. Honeywell International Inc (Bendix King) - [STC SA02265SE](https://openairdocs.org/stc/SA02265SE): Installation of a camera housing. Airborne Sensor LLC - [STC SA01958WI](https://openairdocs.org/stc/SA01958WI): Installation of Garmin Avionics Modernization Package. Blackhawk Aerospace Technologies Inc. - [STC SA01755WI](https://openairdocs.org/stc/SA01755WI): Installation of a GPS LEFT/RIGHT Deviation Converter. JETTECH LLC - [STC SA01960WI](https://openairdocs.org/stc/SA01960WI): Installation of a RVSM-capable Garmin GDU-1060 Touch Screen PFD. JETTECH LLC - [STC SA02075SE](https://openairdocs.org/stc/SA02075SE): Installation of a Mid-Continent MD835( ) Lithium Ion Battery. Mid-Continent Instrument Co. Inc. - [STC SA04525NY](https://openairdocs.org/stc/SA04525NY): Installation of dual GPS/NAV/COMM Garmin GNS430/530(A)W. Avionik Straubing GmbH - [STC SA04520NY](https://openairdocs.org/stc/SA04520NY): ADS-B Out GNSS source modification for transponder #2. CESSNA Duesseldorf Citation Service - [STC SA04514NY](https://openairdocs.org/stc/SA04514NY): Single/Dual Transponder System ADS-B Upgrade. Scandinavian Avionics Design ApS - [STC SA02677LA](https://openairdocs.org/stc/SA02677LA): Modification to upgrade the existing Mode S Transponder system by installing the ACSS NXT-700 Transponder with ADS-B Out and optionally install the ACSS NXG-900 GPS as the position source for ADS-B Out. Aviation Communication and Surveillance Systems (ACSS) LLC - [STC SA02678LA](https://openairdocs.org/stc/SA02678LA): Modification to upgrade the existing Mode S Transponder system by installing the ACSS NXT-600 Transponder with ADS-B Out and optionally install the ACSS NXG-900 GPS as the position source for ADS-B Out. Aviation Communication and Surveillance Systems (ACSS) LLC All 150: https://openairdocs.org/tcds/A1WI/stcs.md --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.