# STC SA04231CH - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Honeywell International Inc., United States - Description: Installation and activation of a TruTrak Vizion autopilot system - Applied: July 11, 2017 - Status date: July 15, 2022 - Product: Aircraft, Small Airplane - Certification basis: Part 21, Part 23 - Data sheets: [TCDS 2A13](https://openairdocs.org/tcds/2A13), [TCDS A3SO](https://openairdocs.org/tcds/A3SO), [TCDS 3A12](https://openairdocs.org/tcds/3A12), [TCDS 3A17](https://openairdocs.org/tcds/3A17), [TCDS A13CE](https://openairdocs.org/tcds/A13CE), [TCDS A20CE](https://openairdocs.org/tcds/A20CE), [TCDS 5A6](https://openairdocs.org/tcds/5A6), [TCDS 3A13](https://openairdocs.org/tcds/3A13), [TCDS 3A24](https://openairdocs.org/tcds/3A24), [TCDS A42EU](https://openairdocs.org/tcds/A42EU), [TCDS 2A3](https://openairdocs.org/tcds/2A3) - Certificate PDF: https://openairdocs.org/files/sha256/17/e5/17e5b56e645adf731f871180ecdcef52bdc04e564a9789a414464e3b7d1a9b90 - Approved model list and other attachments: [SA04321CH_AML.pdf](https://openairdocs.org/files/sha256/bf/5f/bf5f530e97ab693051e0f54f194121cc317736ebaf5745786d9a28e77d40213b) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID145107835720221214174047.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA04231CH ## ADs that name it (0) None. ## Approved models (122, first 50) - Mooney Aircraft Corporation M20B ([TCDS 2A3](https://openairdocs.org/tcds/2A3)) - Mooney Aircraft Corporation M20C ([TCDS 2A3](https://openairdocs.org/tcds/2A3)) - Mooney Aircraft Corporation M20D ([TCDS 2A3](https://openairdocs.org/tcds/2A3)) - Mooney Aircraft Corporation M20E ([TCDS 2A3](https://openairdocs.org/tcds/2A3)) - Mooney Aircraft Corporation M20F ([TCDS 2A3](https://openairdocs.org/tcds/2A3)) - Mooney Aircraft Corporation M20G ([TCDS 2A3](https://openairdocs.org/tcds/2A3)) - Mooney Aircraft Corporation M20J ([TCDS 2A3](https://openairdocs.org/tcds/2A3)) - Mooney Aircraft Corporation M20K ([TCDS 2A3](https://openairdocs.org/tcds/2A3)) - Mooney Aircraft Corporation M20L ([TCDS 2A3](https://openairdocs.org/tcds/2A3)) - Mooney Aircraft Corporation M20M ([TCDS 2A3](https://openairdocs.org/tcds/2A3)) - Mooney Aircraft Corporation M20R ([TCDS 2A3](https://openairdocs.org/tcds/2A3)) - Mooney Aircraft Corporation M20S ([TCDS 2A3](https://openairdocs.org/tcds/2A3)) - Piper Aircraft Inc. PA-28-140 ([TCDS 2A13](https://openairdocs.org/tcds/2A13)) - Piper Aircraft Inc. PA-28-150 ([TCDS 2A13](https://openairdocs.org/tcds/2A13)) - Piper Aircraft Inc. PA-28-151 ([TCDS 2A13](https://openairdocs.org/tcds/2A13)) - Piper Aircraft Inc. PA-28-160 ([TCDS 2A13](https://openairdocs.org/tcds/2A13)) - Piper Aircraft Inc. PA-28-161 ([TCDS 2A13](https://openairdocs.org/tcds/2A13)) - Piper Aircraft Inc. PA-28-180 ([TCDS 2A13](https://openairdocs.org/tcds/2A13)) - Piper Aircraft Inc. PA-28-181 ([TCDS 2A13](https://openairdocs.org/tcds/2A13)) - Piper Aircraft Inc. PA-28-201T ([TCDS 2A13](https://openairdocs.org/tcds/2A13)) - Piper Aircraft Inc. PA-28-235 ([TCDS 2A13](https://openairdocs.org/tcds/2A13)) - Piper Aircraft Inc. PA-28-236 ([TCDS 2A13](https://openairdocs.org/tcds/2A13)) - Piper Aircraft Inc. PA-28R-180 ([TCDS 2A13](https://openairdocs.org/tcds/2A13)) - Piper Aircraft Inc. PA-28R-200 ([TCDS 2A13](https://openairdocs.org/tcds/2A13)) - Piper Aircraft Inc. PA-28R-201 ([TCDS 2A13](https://openairdocs.org/tcds/2A13)) - Piper Aircraft Inc. PA-28R-201T ([TCDS 2A13](https://openairdocs.org/tcds/2A13)) - Piper Aircraft Inc. PA-28RT-201 ([TCDS 2A13](https://openairdocs.org/tcds/2A13)) - Piper Aircraft Inc. PA-28RT-201T ([TCDS 2A13](https://openairdocs.org/tcds/2A13)) - Piper Aircraft Inc. PA-28S-160 ([TCDS 2A13](https://openairdocs.org/tcds/2A13)) - Piper Aircraft Inc. PA-28S-180 ([TCDS 2A13](https://openairdocs.org/tcds/2A13)) - Piper Aircraft Inc. PA-32-260 ([TCDS A3SO](https://openairdocs.org/tcds/A3SO)) - Piper Aircraft Inc. PA-32-300 ([TCDS A3SO](https://openairdocs.org/tcds/A3SO)) - Piper Aircraft Inc. PA-32-301 ([TCDS A3SO](https://openairdocs.org/tcds/A3SO)) - Piper Aircraft Inc. PA-32-301FT ([TCDS A3SO](https://openairdocs.org/tcds/A3SO)) - Piper Aircraft Inc. PA-32-301T ([TCDS A3SO](https://openairdocs.org/tcds/A3SO)) - Piper Aircraft Inc. PA-32-301XTC ([TCDS A3SO](https://openairdocs.org/tcds/A3SO)) - Piper Aircraft Inc. PA-32R-300 ([TCDS A3SO](https://openairdocs.org/tcds/A3SO)) - Piper Aircraft Inc. PA-32R-301 (HP) ([TCDS A3SO](https://openairdocs.org/tcds/A3SO)) - Piper Aircraft Inc. PA-32R-301 (SP) ([TCDS A3SO](https://openairdocs.org/tcds/A3SO)) - Piper Aircraft Inc. PA-32R-301T ([TCDS A3SO](https://openairdocs.org/tcds/A3SO)) - Piper Aircraft Inc. PA-32RT-300 ([TCDS A3SO](https://openairdocs.org/tcds/A3SO)) - Piper Aircraft Inc. PA-32RT-300T ([TCDS A3SO](https://openairdocs.org/tcds/A3SO)) - Piper Aircraft Inc. PA-32S-300 ([TCDS A3SO](https://openairdocs.org/tcds/A3SO)) - Textron Aviation Inc. 172 ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172A ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172B ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172C ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172D ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172E ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172F (USAF T-41A) ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) All 122: https://openairdocs.org/stc/SA04231CH/models.md ## What the certificate says The certificate has no text we could read; open the PDF to read it. ### SA04321CH_AML.pdf **FAA APPROVED MODEL LIST (AML) NO. SA04231CH HONEYWELL INTERNATIONAL, INC.** FOR **INSTALLATION AND ACTIVATION OF A TRUTRAK VIZION AUTOPILOT SYSTEM** **ITEM** **AIRCRAFT** **AIRCRAFT** **ORIGINAL TYPE** **CERTIFICATION BASIS** **INSTALLATION** **INSTRUCTIONS** AFM AML **MAKE MODEL CERTIFICATE NUMBER FOR** **ALTERATION** **NUMBER** **REVISION NO. & DATE** **SUPPLEMENT** **NUMBER/DATE** **AMENDMENT DATE** Page 1 of 5 1 Textron Aviation Inc. 172 172A 172B 172C 172D 172E 172F (USAF T-41A) 172G 172H (USAF T-41A) 172I 172K 172L 172M 172N 172P 172Q 172R (non G1000 equipped aircraft only) 172S (non G1000 equipped aircraft only) 3A12 As listed in TCDS 3A12 except as noted below: 14 CFR 23 Amendment 49 for the following: 23.1301, 23.1308, 23.1309, 23.1329 TruTrak Document Vizion PMA Installation Guide (166) and TruTrak Document Cessna 172 Autopilot Provisions Installation Guide (147) (166) Revision A or later FAA approved revision (147)Revision 0.1, or later FAA approved revision. TruTrak Vizion AFMS (176) Rev B dated 7/10/17 or later FAA approved revision July 19, 2017 2 Textron Aviation Inc. 177 177A 177B A13CE As listed in TCDS A13CE except as noted below: 14 CFR 23 Amendment 49 for the following: 23.1301, 23.1308, 23.1309, 23.1329 TruTrak Document Vizion PMA Installation Guide (166) and TruTrak Document Cessna 177 Autopilot Provisions Installation Guide (157) (157) Revision Init, or later FAA approved revision (166) Revision A or later FAA approved revision. TruTrak Vizion AFMS (176) Rev B dated 7/10/17 or later FAA approved revision July 19, 2017 3 Textron Aviation Inc. 177RG A20CE As listed in TCDS A20CE except as noted below: 14 CFR 23 Amendment 49 for the following: 23.1301, 23.1308, 23.1309, 23.1329 TruTrak Document Vizion PMA Installation Guide (166, 169) and TruTrak Document Cessna 177 Autopilot Provisions Installation Guide (157) (157) Revision Init, or later FAA approved revision (166) Revision A or later FAA approved, (169) revision D or later FAA approved revision. TruTrak Vizion AFMS (176) Rev B dated 7/10/17 or later FAA approved revision July 19, 2017 **FAA APPROVED MODEL LIST (AML) NO. SA04231CH HONEYWELL INTERNATIONAL, INC.** FOR **INSTALLATION AND ACTIVATION OF A TRUTRAK VIZION AUTOPILOT SYSTEM** **ITEM** **AIRCRAFT** **AIRCRAFT** **ORIGINAL TYPE** **CERTIFICATION BASIS** **INSTALLATION** **INSTRUCTIONS** AFM AML **MAKE MODEL CERTIFICATE NUMBER FOR** **ALTERATION** **NUMBER** **REVISION NO. & DATE** **SUPPLEMENT** **NUMBER/DATE** **AMENDMENT DATE** Page 2 of 5 4 Piper Aircraft, Inc. PA-28-140 PA-28-151 PA-28-150 PA-28-161 PA-28-160 PA-28-181 PA-28-180 PA-28R-201 PA-28-235 PA-28R-201T PA-28S-160 PA-28-236 PA-28S-180 PA-28RT-201 PA-28R-180 PA-28RT-201T PA-28R-200 PA-28-201T (non G1000 equipped aircraft only) 2A13 As listed in TCDS 2A13 except as noted below: 14 CFR 23 Amendment 49 for the following: 23.1301, 23.1308, 23.1309, 23.1329 TruTrak Document Vizion PMA Installation Guide, Document Number 166, 243 (243) Revision IR, or later FAA approved revision (166) Revision A or later FAA approved, TruTrak Vizion AFMS (176) Rev B dated 7/10/17 or later FAA approved revision Febuary 6, 2018 5 Piper Aircraft, Inc. PA-32-260 PA-32R-301 (SP) PA-32-300 PA-32R-301 (HP) PA-32S-300 PA-32R-301T PA-32R-300 PA-32-301 PA-32RT-300 PA-32-301T PA-32RT-300T PA-32-301FT PA-32-301XTC (non G1000 equipped aircraft only) A3SO As listed in TCDS A3SO except as noted below: 14 CFR 23 Amendment 49 for the following: 23.1301, 23.1308, 23.1309, 23.1329 TruTrak Document Vizion PMA Installation Guide, Document Number 166, 243 (243) Revision IR, or later FAA approved revision (166) Revision A or later FAA approved, TruTrak Vizion AFMS (176) Rev B dated 7/10/17 or later FAA approved revision Febuary 6, 2018 **FAA APPROVED MODEL LIST (AML) NO. SA04231CH HONEYWELL INTERNATIONAL, INC.** FOR **INSTALLATION AND ACTIVATION OF A TRUTRAK VIZION AUTOPILOT SYSTEM** **ITEM** **AIRCRAFT** **AIRCRAFT** **ORIGINAL TYPE** **CERTIFICATION BASIS** **INSTALLATION** **INSTRUCTIONS** AFM AML **MAKE MODEL CERTIFICATE NUMBER FOR** **ALTERATION** **NUMBER** **REVISION NO. & DATE** **SUPPLEMENT** **NUMBER/DATE** **AMENDMENT DATE** Page 3 of 5 6 Textron Aviation Inc. 175 175A 175B 175C P172D R172E (USAF T-41B) (USAF T-41C or D) R172F (USAF T-41D) R172G (USAF T-41C or R172H (USAF T-41D) R172J R172K 172RG 3A17 As listed in TCDS 3A17 except as noted below: 14 CFR 23 Amendment 49 for the following: 23.1301, 23.1308, 23.1309, 23.1329 TruTrak Document Vizion PMA Installation Guide, Document Number 166, 242 (242) Revision IR, or later FAA approved revision (166) Revision A or later FAA approved, TruTrak Vizion AFMS (176) Rev B dated 7/10/17 or later FAA approved revision Febuary 6, 2018 7 Textron Aviation Inc. 180 180A 180B 180C 180D 180E 180F 180G 180H 180J 180K 5A6 As listed in TCDS 5A6 except as noted below: 14 CFR 23 Amendment 49 for the following: 23.1301, 23.1308, 23.1309, 23.1329 TruTrak Document Vizion PMA Installation Guide, Document Number 166, 255 (255) Revision IR, or later FAA approved revision (166) Revision A or later FAA approved, TruTrak Vizion AFMS (176) Rev C dated April 1, 2019 or later FAA approved revision April 3, 2019 8 Textron Aviation Inc. 182 (formerly Reims) F182F F182Q FR182 A42EU As listed in TCDS A42EU except as noted below: 14 CFR 23 Amendment 49 for the following: 23.1301, 23.1308, 23.1309, 23.1329 TruTrak Document Vizion PMA Installation Guide, Document Number 166, 256 (256) Revision IR, or later FAA approved revision (166) Revision A or later FAA approved, TruTrak Vizion AFMS (176) Rev C dated April 1, 2019 or later FAA approved revision April 3, 2019 **FAA APPROVED MODEL LIST (AML) NO. SA04231CH HONEYWELL INTERNATIONAL, INC.** FOR **INSTALLATION AND ACTIVATION OF A TRUTRAK VIZION AUTOPILOT SYSTEM** **ITEM** **AIRCRAFT** **AIRCRAFT** **ORIGINAL TYPE** **CERTIFICATION BASIS** **INSTALLATION** **INSTRUCTIONS** AFM AML **MAKE MODEL CERTIFICATE NUMBER FOR** **ALTERATION** **NUMBER** **REVISION NO. & DATE** **SUPPLEMENT** **NUMBER/DATE** **AMENDMENT DATE** Page 4 of 5 9 Textron Aviation Inc. 182 182A 182B 182C 182D 182E 182F 182G 182H 182J 182K 182L 182M 182N 182P 182Q 182R 182S 182T R182 T182 TR182 T182T 3A13 As listed in TCDS 3A13 except as noted below: 14 CFR 23 Amendment 49 for the following: 23.1301, 23.1308, 23.1309, 23.1329 TruTrak Document Vizion PMA Installation Guide, Document Number 166, 256 (256) Revision IR, or later FAA approved revision (166) Revision A or later FAA approved, TruTrak Vizion AFMS (176) Rev C dated April 1, 2019 or later FAA approved revision April 3, 2019 10 Textron Aviation Inc. 185 185A 185B 185C 185D 185E A185E A185F 3A24 As listed in TCDS 3A24 except as noted below: 14 CFR 23 Amendment 49 for the following: 23.1301, 23.1308, 23.1309, 23.1329 TruTrak Document Vizion PMA Installation Guide, Document Number 166, 255 (255) Revision IR, or later FAA approved revision (166) Revision A or later FAA approved, TruTrak Vizion AFMS (176) Rev C dated April 1, 2019 or later FAA approved revision April 3, 2019 **FAA APPROVED MODEL LIST (AML) NO. SA04231CH HONEYWELL INTERNATIONAL, INC.** FOR **INSTALLATION AND ACTIVATION OF A TRUTRAK VIZION AUTOPILOT SYSTEM** **ITEM** **AIRCRAFT** **AIRCRAFT** **ORIGINAL TYPE** **CERTIFICATION BASIS** **INSTALLATION** **INSTRUCTIONS** AFM AML **MAKE MODEL CERTIFICATE NUMBER FOR** **ALTERATION** **NUMBER** **REVISION NO. & DATE** **SUPPLEMENT** **NUMBER/DATE** **AMENDMENT DATE** Page 5 of 5 11 Mooney International Corporation M20B M20C M20D M20E M20F M20G M20J M20K M20L M20M M20R M20S 2A3 As listed in TCDS 2A3 except as noted below: 14 CFR 23 Amendment 49 for the following: 23.1301, 23.1308, 23.1309, 23.1329 TruTrak Document Vizion PMA Installation Guide, Document Number 305 (305) Revision A, or later FAA approved revision TruTrak Vizion AFMS (176) Rev E approved November 04, 2021 or later FAA approved revision December 09, 2021 FAA APPROVED: Roy E. Boffo III Manager, Propulsion and Program Management Section Chicago ACO Branch Issued: July 19, 2017 Reissued: July 15, 2022 Amended: February 06, 2018; March 27, 2019; April 3, 2019; December 10, 2021 ## Every issue (5) - July 15, 2022: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/17/e5/17e5b56e645adf731f871180ecdcef52bdc04e564a9789a414464e3b7d1a9b90), [SA04321CH_AML.pdf](https://openairdocs.org/files/sha256/bf/5f/bf5f530e97ab693051e0f54f194121cc317736ebaf5745786d9a28e77d40213b) - December 10, 2021: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/db/e1/dbe18eb694f5135b6eedd39a5d23fdf5ef203f811d6e95cdee59ef85388e0896), [SA04231CH AML.pdf](https://openairdocs.org/files/sha256/54/74/547484f53ad5eb9f406f215d61190c7c353185bd811795bad000a593f9e83973) - March 13, 2019: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/af/66/af6679a33c68e398ffe876f83b5c96680b971ba755ce4fcac7cd7d400c634d0f), [SA04231CH AML.pdf](https://openairdocs.org/files/sha256/17/3f/173fc959a87ed08e66840782ae5f44cca892d6e9e068f8f3a4978efedd2b910d) - March 13, 2019: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/84/21/842152b49f152e42f9c4671aa38de3bb8e0610c0c5e7fbfa1c7b58ea86d14ff4), [SA04231CH AML.pdf](https://openairdocs.org/files/sha256/84/35/8435cc775c555b92588ddd885fc8534a41954bd9e071312fdb7c6b3853d1e227) - July 19, 2017: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/aa/21/aa2195a7b51f5a0ce6f3433ddfb32f634054ccd571e2453c721d6cc93c29466a), [SA04231CH AML.pdf](https://openairdocs.org/files/sha256/92/28/9228b842270e726c577dcf496eaecf4135b3c35cdafa0b81a4b9aa2120acca9a) --- 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.