# STC ST04798NY - Type: Supplemental type certificate - Status: Current, Amended - Holder: Delta Engineering Corporation, United States - Description: AAR Engineering Services Seat Re-pitch - Applied: May 8, 2024 - Status date: April 25, 2025 - Product: Aircraft, Large Airplane - Certification basis: Part 25 - Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE), [TCDS A2NM](https://openairdocs.org/tcds/A2NM), [TCDS A28NM](https://openairdocs.org/tcds/A28NM) - Certificate PDF: https://openairdocs.org/files/sha256/ad/a2/ada24dfc8408057b7c4fa3a7e071933bbb0b66a1312dcd1ac167fbb743cbd460 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID117263265120250429163720.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/ST04798NY ## ADs that name it (0) None. ## Approved models (32) - Airbus SAS A319-111 ([TCDS A28NM](https://openairdocs.org/tcds/A28NM)) - Airbus SAS A319-112 ([TCDS A28NM](https://openairdocs.org/tcds/A28NM)) - Airbus SAS A319-113 ([TCDS A28NM](https://openairdocs.org/tcds/A28NM)) - Airbus SAS A319-114 ([TCDS A28NM](https://openairdocs.org/tcds/A28NM)) - Airbus SAS A319-115 ([TCDS A28NM](https://openairdocs.org/tcds/A28NM)) - Airbus SAS A319-131 ([TCDS A28NM](https://openairdocs.org/tcds/A28NM)) - Airbus SAS A319-132 ([TCDS A28NM](https://openairdocs.org/tcds/A28NM)) - Airbus SAS A319-133 ([TCDS A28NM](https://openairdocs.org/tcds/A28NM)) - Airbus SAS A319-151N ([TCDS A28NM](https://openairdocs.org/tcds/A28NM)) - Airbus SAS A319-153N ([TCDS A28NM](https://openairdocs.org/tcds/A28NM)) - Airbus SAS A319-171N ([TCDS A28NM](https://openairdocs.org/tcds/A28NM)) - Airbus SAS A321-111 ([TCDS A28NM](https://openairdocs.org/tcds/A28NM)) - Airbus SAS A321-112 ([TCDS A28NM](https://openairdocs.org/tcds/A28NM)) - Airbus SAS A321-131 ([TCDS A28NM](https://openairdocs.org/tcds/A28NM)) - Airbus SAS A321-211 ([TCDS A28NM](https://openairdocs.org/tcds/A28NM)) - Airbus SAS A321-212 ([TCDS A28NM](https://openairdocs.org/tcds/A28NM)) - Airbus SAS A321-213 ([TCDS A28NM](https://openairdocs.org/tcds/A28NM)) - Airbus SAS A321-231 ([TCDS A28NM](https://openairdocs.org/tcds/A28NM)) - Airbus SAS A321-232 ([TCDS A28NM](https://openairdocs.org/tcds/A28NM)) - Airbus SAS A321-251N ([TCDS A28NM](https://openairdocs.org/tcds/A28NM)) - Airbus SAS A321-251NX ([TCDS A28NM](https://openairdocs.org/tcds/A28NM)) - Airbus SAS A321-252N ([TCDS A28NM](https://openairdocs.org/tcds/A28NM)) - Airbus SAS A321-252NX ([TCDS A28NM](https://openairdocs.org/tcds/A28NM)) - Airbus SAS A321-253N ([TCDS A28NM](https://openairdocs.org/tcds/A28NM)) - Airbus SAS A321-253NX ([TCDS A28NM](https://openairdocs.org/tcds/A28NM)) - Airbus SAS A321-271N ([TCDS A28NM](https://openairdocs.org/tcds/A28NM)) - Airbus SAS A321-271NX ([TCDS A28NM](https://openairdocs.org/tcds/A28NM)) - Airbus SAS A321-272N ([TCDS A28NM](https://openairdocs.org/tcds/A28NM)) - Airbus SAS A321-272NX ([TCDS A28NM](https://openairdocs.org/tcds/A28NM)) - The Boeing Company 737-900ER Series ([TCDS A16WE](https://openairdocs.org/tcds/A16WE)) - The Boeing Company 757-200 Series ([TCDS A2NM](https://openairdocs.org/tcds/A2NM)) - The Boeing Company 757-300 Series ([TCDS A2NM](https://openairdocs.org/tcds/A2NM)) ## 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. Possession of this Supp lemental Type Certificate (STC) document by persons other than the STC holder does not cons titute rights to the design data nor to alter an aircraft, aircraft engine, or propeller. United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number ST04798NY This certificate, issued to: Delta Engineering Corporation 13 DRBA Way New Castle, Delaware 19720 Part 25 of the Federal Aviation Regulations. See AML Model: AAR Engineering Services Seat Re-pitch in accordance with Master Data Lists as listed on Delta Engineering Approved Model List 9998-12118-2589 Revision G dated Apr. 25, 2025 or later FAA approved revisions. The Instructions for Continued Airworthiness as listed on the Master Data List is required. 1. Reference the Master Data List for additional limitations and conditions as well as applicable serial numbers. 2. If the holder agrees to permit another person to use the certificate to alter the product, the holder shall give the other person written evidence of that permission. 3. Compatibility of this design change with previously approved modifications must be determined by the installer. Date of Application: Ma y 8, 2024 Date reissued: Date of issuance: July 3, 2024 Date amended: September 20, 2024, October 12, 2024, November 15, 2024, November 15, 2024, January 14, 2025, April 25, 2025 Title: Jonathan E. Moritz ODA Administrator ODA-800728-NE See attached FAA Approved Model List (AML) Delta Engineering Document No. 9998-12118-2589 Revision G or later FAA approved revisions, for the list of approved aircraft models. Possession of this Supp lemental Type Certificate (STC) document by persons other than the STC holder does not cons titute rights to the design data nor to alter an aircraft, aircraft engine, or propeller. Transfer the ownership of Supplement Type Certificate Number: Possession of this Supp lemental Type Certificate (STC) document by persons other than the STC holder does not cons titute rights to the design data nor to alter an aircraft, aircraft engine, or propeller. (Continuation Sheet) Number ST04798NY Date April 25, 2025 Certification Basis: Based on 14 CFR ยงยง 21.115 and 21.101, and the FAA policy for significant changes in FAA Order 8110.48, this STC is a non-significant change. The certification basis is defined in Delta Engineering Approved Model List specified on page 1. -------------------------------------------------END------------------------------------------------- ## Every issue (6) - April 25, 2025: Amended, Current. [certificate](https://openairdocs.org/files/sha256/ad/a2/ada24dfc8408057b7c4fa3a7e071933bbb0b66a1312dcd1ac167fbb743cbd460) - January 14, 2025: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/d6/8e/d68e14b02dae6a26f2c314f4717fdf75a33c390cb95d41fe352465b7714137b6), [ST04798NY_AML.pdf](https://openairdocs.org/files/sha256/a3/64/a364046f61ecc51d49a76591bf89692acc7e890ab6c25d4d71941bc1d082aae7) - November 15, 2024: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/70/50/7050aa00ffd27c4ec21f7d62d6afe90fb971ee978262f3aefc2913bae5994649), [ST04798NY_AML.pdf](https://openairdocs.org/files/sha256/4f/28/4f28b9542479e25ba28c2b4aadeb6b96a604e600cb507a9f910d4342fc0c3979) - November 15, 2024: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/d7/4e/d74ec3d878b27cc2b1d4efb84d22f13da3d8603ee299f235c7aabf582b3aca31), [ST04798NY_AML.pdf](https://openairdocs.org/files/sha256/bb/13/bb135bf36930fd76ae043af3cd532cffea95d8d29c6e29142dd844770a1b7ffb) - October 12, 2024: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/4f/a8/4fa8c44017a89e98ddbd3364d36d6f57f8977839ef45566eef8d6051e476cab3), [ST04798NY_AML.pdf](https://openairdocs.org/files/sha256/f2/f3/f2f3d811cd4778440be97cb79074b00962d5d3dd90a3143df69faea6be00893f) - July 3, 2024: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/a2/dc/a2dcf7a916a55125af26999b8b7d66ff569ce6eba23962a061b4d52197ef3b9f), [ST04798NY_AML.pdf](https://openairdocs.org/files/sha256/c9/59/c9592330950219cd9cbb888c057abfed7d0213bad7701dea49bef24fadca7a01) --- 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.