# STC SA03317CH - Type: Supplemental type certificate - Status: Current, Reissued - Holder: PECO Inc, United States - Description: Installation of Max-Viz EVS-600 Enhanced Vision System - Applied: April 5, 2013 - Status date: June 29, 2020 - Product: Aircraft, Small Airplane - Certification basis: Part 21, Part 23 - Data sheets: [TCDS A7CE](https://openairdocs.org/tcds/A7CE) - Certificate PDF: https://openairdocs.org/files/sha256/89/9f/899f5533088a0fc8ec00e662977890cc8c0b1b10da664229c5e089b8c2ce8411 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/BF7DA4217A3EC396862585DD003FC311.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA03317CH ## ADs that name it (0) None. ## Approved models (4) - Textron Aviation Inc. 421 ([TCDS A7CE](https://openairdocs.org/tcds/A7CE)) - Textron Aviation Inc. 421A ([TCDS A7CE](https://openairdocs.org/tcds/A7CE)) - Textron Aviation Inc. 421B ([TCDS A7CE](https://openairdocs.org/tcds/A7CE)) - Textron Aviation Inc. 421C ([TCDS A7CE](https://openairdocs.org/tcds/A7CE)) ## What the certificate says Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record. Number SA03317CH This certificate, issued to PECO, Inc. 11241 SE Highway 212 Clackamas, OR 97015 Part 23 of the Federal Aviation Regulations. (See Page 3 complete certification basis) Original ProductType Certificate Number: A7CE Make: Cessna Model: 421, 421A, 421B, 421C Description of the Type Design Change: Installation of Max-Viz EVS-600 Enhanced Vision System in accordance with Dan Buzz & Associates Master Drawing List Document Number DB1303015, Revision B, dated June 15, 2015, or later FAA approved revision. 1) The installer must determine whether this design change is compatible with preciously approved modifications. 2) FAA Approved Pilots Operating Handbook Supplement, Dan Buzz & Associates Document Number DB1303018, Revision IR, approved April 3, 2014 or later FAA approved revision, is required on board the modified aircraft. 3) If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission. Date of application: April 5, 2013 Date reissued May 10, 2016; June 29, 2020 Date of issuance: April 3, 2014 Date amended FAA FORM 8110-2 (5/14) PAGE 1 OF 3 PAGES By direction of the Administrator (Signature) For Manager, Seattle ACO Branch (Title) Transfer the ownership of Supplemental Type Certificate Number to (Name of Transferee) (Address of Transferee) (Number and Street) (City, State, and ZIP Code) from (Name of Grantor) (Print or Type) (Address of Grantor) (Number and Street) (City, State, and ZIP Code) Signature of Grantor (In Ink): U.S. GPO: 1987-763-289 Number SA03317CH PECO, Inc. Reissued: May 10, 2016; June 29, 2020 Amended: Limitations and Conditions: (cont’d) The certification basis for the changed Cessna 421, 421A, 421B, 421C, as described in this certificate is as follows: a. The type certification basis for the Cessna 421, 421A, 421B, 421C, is shown on TCDS A7CE for parts not changed or not affected by this change. b. The certification basis for parts changed or affected by this change since the reference date of application, April 5, 2013, is shown in TCDS A7CE. Regulations at the amendment level: 14 CFR §§ 23.301(a)(b)(c) [23-48], 23.303[23-00], 23.305(a)(b)[23-45], 23.307(a)[23-00], 23.561(a)(b)(3)(e)[23- 48], 23.571(a)[23-14], 23.601[23-00], 23.603(a)(2)[23-23], 23.605(a)[23-23], 23.607(a)(b)(c)[23-48], 23.609(a)(b)[23-00], 23.611[23-48], 23.613(a)(b)(c)(d)(e)[23-45], 23.619[23-7], 23.625(a)(b)(c)[23-7], 23.1301 [23- 14], 23.1309(b)(d) [23-14], 23.1327(a) [ORIG], 23.1351 (a)(1)(2) [23-14], 23.1357(a)(c) [ORIG], 23.1365(a) [23- 14], 23.1367 [ORIG], 23.1431(a)(b), 23.1501 [23-7], 23.1529 [23-8], 23.1541(a) (b) [23-13], 23.1555(a) [ORIG], 23.1581[23-13], 23.1583(h) [23-13], 23.1585(a) [23-13]. -END- **FAA FORM 8110-2 (5/14) PAGE 3 OF 3 PAGES** ## Every issue (2) - June 29, 2020: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/89/9f/899f5533088a0fc8ec00e662977890cc8c0b1b10da664229c5e089b8c2ce8411) - May 10, 2016: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/08/c5/08c562a72a0f34a82099106a5a68c1a2310931ef69d0f40725a935ccca6c5406) --- 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.