# STC ST04656NY - Type: Supplemental type certificate - Status: Current, Amended - Holder: AKKA Groupe Amerque du Nord Inc., Canada - Description: YC Seat Literature Pocket Modification must be installed - Applied: July 15, 2021 - Status date: January 27, 2022 - Product: Aircraft, Large Airplane - Certification basis: Part 21, Part 21, Part 21, Part 21, Part 21, Part 21, Part 21, Part 21, Part 21, Part 25 - Data sheets: [TCDS A21EA-1](https://openairdocs.org/tcds/A21EA-1) - Certificate PDF: https://openairdocs.org/files/sha256/a8/f2/a8f25a59e14534798ef22e4604c0dfe98338a9911df820849ddecd8e68d9bc94 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID169930339320221208133600.0001 - DRS record last changed: December 5, 2025 - Page: https://openairdocs.org/stc/ST04656NY ## ADs that name it (0) None. ## Approved models (1) - MHI RJ Aviation ULC CL-600-2D24 (Regional Jet Series 900) ([TCDS A21EA-1](https://openairdocs.org/tcds/A21EA-1)) ## 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. IMPORT ST04656NY AKKA Groupe Amérique du Nord Inc. 2000, rue Peel, Bureau 660 Montreal, Québec Canada H3A 2W5 Part 25 Title 14 Code of Federal Regulations A21EA-1 MHI RJ Aviation ULC CL-600-2D24 (Regional Jet Series 900) CONFIGURATION 01: Modifies the upper attachments of the literature pocket and backrests of seats 1. YC Seat Literature Pocket Modification must be installed in accordance with Modification Documents List AKNA-0070A01-MDL, Revision 01, TCCA approved December 16, 2021, or later TCCA approved revision. 2. Maintenance must be done in accordance with Instructions for Continued Airworthiness AKNA-0070A01- ICA, Revision 02, TCCA accepted November 17, 2021, or later TCCA accepted revision. (Description of Type Design Change Continued on Page 3 of 4) 1. 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. (Limitations and Conditions Continued on Page 3 of 4) July 15, 2021 August 25, 2021 January 27, 2022 Anthony E. Gallo Manager, International Validation Branch (AIR-730) Compliance & Airworthiness Division Aircraft Certification Service (AIR) 4 **IMPORT ST04656NY ST04656NY 4** IMPORT ST04656NY Date Amended: January 27, 2022 Description of Type Design Change (continued): CONFIGURATION 02: Replacement of the Literature Pocket limited to stitch lines on the forward face, right and left upper corners 1. YC Seat Literature Pocket Modification must be installed in accordance with Modification Documents List AKNA-0070A01-MDL, Revision 01, TCCA approved December 16, 2021, or later TCCA approved revision. 2. Maintenance must be done in accordance with Instructions for Continued Airworthiness AKNA-0070A01-ICA, Revision 02, TCCA accepted November 17, 2021, or later TCCA revision. CONFIGURATION 03: Develops a new Literature Pocket to be installed on the modified backrest of Seats 1. YC Seat Literature Pocket Modification must be installed in accordance with Modification Documents List AKNA-0070A01-MDL, Revision 01, TCCA approved December 16, 2021, or later TCCA approved revision. 2. Maintenance must be done in accordance with Instructions for Continued Airworthiness AKNA-0070A01-ICA, Revision 02, TCCA accepted November 17, 2021, or later TCCA revision. 2. The installer must determine whether this design change is compatible with previously approved modifications. 3. This approval is limited to the following serial numbers at Configuration 01, 02, and 03: 15002,15003, 15004, 15005, 15006, 15007, 15008, 15009, 15010, 15011, 15012, 15013, 15014, 15015, 15016, 15017, 15018, 15019, 15020, 15021, 15022, 15023, 15024, 15025, 15026, 15027, 15028, 15029, 15030, 15031, 15032, 15033, 15034, 15035, 15038, 15039, 15042, and 15056. (Certification Basis on Page 4) 3 4 IMPORT ST04656NY Date Amended: January 27, 2022 Certification Basis: Based on 14 CFR § 21.115 and § 21.101, and the FAA policy for significant changes in FAA Order 8110.48, the certification basis for the modified CL-600-2D24 (Regional Jet Series 900) is as follows: (a) The type certification basis for the CL-600-2D24 (Regional Jet Series 900) Aircraft, as shown on TCDS A21EA-1 for parts not changed or not affected by the change. (b) The type certification basis for the CL-600-2D24 (Regional Jet Series 900) Aircraft, as shown on TCDS A21EA-1 for parts changed or affected by the change with the following additional requirements: Regulations at latest amendment 25-1 through 25-146 25.1, 25.301, 25.303, 25.305, 25.307, 25.561, 25.562, 25.601, 25.603(a)(b)(c), 25.605, 25.613(a)(b), 25.625(a), 25.785(b), 25.789(a), 25.853(a), 25.1301(a)(1),(2), 25.1529. ----------END---------- 4 4 ## Every issue (3) - January 27, 2022: Amended, Current. [certificate](https://openairdocs.org/files/sha256/a8/f2/a8f25a59e14534798ef22e4604c0dfe98338a9911df820849ddecd8e68d9bc94) - January 27, 2022: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/04/54/0454a3aa0cc4162af1403cbc45e618dfe3a8a44784b3210b443b4ba146012dae) - August 25, 2021: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/a0/c3/a0c37ea8f0a909d24d39f21c23683cee28b63f7acbb15f2bdf0ec0d12fb7ff1a) --- 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.