# STC ST12401IB - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Adams Rite Aerospace Inc. - Description: The Installation of Airbus A319/A320/A321 cockpit door e-strike improvement - Status date: July 10, 2026 - Data sheets: A28NM, A28NM, A28NM, A28NM, A28NM - Certificate PDF: https://openairdocs.org/files/sha256/e8/59/e85932407cb9370250b800a4199ad8da2d65ca783a16256c57df62c7218c2447 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID168450802720261015150452.0001 - Page: https://openairdocs.org/stc/ST12401IB ## ADs that name it None. ## Approved models (5) - Airbus SAS A319-112 (TCDS A28NM) - Airbus SAS A319-114 (TCDS A28NM) - Airbus SAS A320-211 (TCDS A28NM) - Airbus SAS A320-214 (TCDS A28NM) - Airbus SAS A321-211 (TCDS A28NM) ## 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. ST12401IB Adams Rite Aerospace Inc. 4141 North Palm Street Fullerton, California 92835 Part 25 Title 14, Code of Federal Regulations A28NM Airbus SAS A319-112, A319-114, A320-211, A320-214, A321-211 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. 2. The installer must determine whether this design change is compatible with previously approved modifications. (See continuation sheet 3 of 3) 03/18/2026 07/10/2026 05/21/2026 Timothy Hadsall (Acting) Manager, International Validation Branch Compliance & Airworthiness Division Aircraft Certification Service 3 1. The Installation of Airbus A319/A320/A321 cockpit door e-strike improvement must be in accordance with Air Canada Master Data List MDL-2-034090, Revision NC, dated December 17, 2025, or later Federal Aviation Administration (FAA) approved revision. 2. Maintenance must be in accordance with Air Canada Instructions for Continued Airworthiness ICA-2-034090, Revision NC, dated December 17, 2025, or later FAA accepted revision. ST12401IB 07/10/2026 ST12401IB 3 ST12401IB 07/10/2026 Limitations and Conditions (continued): 3. This STC is applicable to all serial numbers for these Make-Models. Note: This STC does not require a new or revised Electrical Wiring Interconnection System (EWIS) Instructions for Continued Airworthiness (ICA). Certification Basis: Based on Title 14 Code of Federal Regulations (14 CFR) § 21.115 and § 21.101, and the FAA policy for design changes that are identified as not significant in FAA Order 8110.48, the type certification basis for modified Airbus SAS A319-112, A319-114; A320-211, A320-214; and A321-211 is as follows: a. The type certification basis for the Airbus SAS A319-112, A319-114; A320-211, A320-214; and A321-211 is shown on Type Certificate Data Sheet (TCDS) A28NM for parts not changed or not affected by the change. b. The type certification basis for the Airbus SAS A319-112, A319-114; A320-211, A320-214; and A321-211 for parts changed or affected by the change is the following 14 CFR regulations as amended by Amendment 25-1 through 25-145: 14 CFR §§ 25.1, 25.305, 25.307, 25.365, 25.561, 25.581, 25.601, 25.603, 25.605, 25.607, 25.609, 25.611, 25.613, 25.772, 25.777, 25.795, 25.853, 25.869, 25.899, 25.1301, 25.1309, 25.1316, 25.1351, 25.1353, 25.1363, 25.1519, 25.1529, 25.1701, 25.1703, 25.1705, 25.1707, 25.1709, 25.1711, 25.1713, 25.1715, 25.1717, 25.1719, 25.1729 ----------END---------- ## Every issue (2) - July 10, 2026: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/e8/59/e85932407cb9370250b800a4199ad8da2d65ca783a16256c57df62c7218c2447) - May 21, 2026: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/04/e2/04e2becdc3e4ee7b2f5facc6478e68981e28262d38616ed75a06fdaf173f8223) --- From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.