# STC SA2431WE - Type: Supplemental type certificate - Status: Current, Reissued - Holder: United Airlines Inc, United States - Description: Installation of turbulent air tether system consisting of the installation of the tether assembly on Fairchild Hiller Food Service Carts P/Ns 802000, 803000, and 804000 and restraint attach points on U.O.P Aerotherm seats - Applied: August 25, 1971 - Status date: November 30, 2011 - Product: Aircraft, Large Multi-Engine - Certification basis: Part 21, Part 25 - Data sheets: [TCDS A22WE](https://openairdocs.org/tcds/A22WE) - Certificate PDF: https://openairdocs.org/files/sha256/37/37/37372b02ebcc436df4d222be303eaa1e7f56ce77a1bd9ab4bc628b30f8d2ee8e - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E89B1171F736ADBF86257998006844DB.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA2431WE ## ADs that name it (0) None. ## Approved models (1) - The Boeing Company DC-10-10 ([TCDS A22WE](https://openairdocs.org/tcds/A22WE)) ## 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. This Certificate issued to United Air Lines, Inc. 600 Jefferson Street Houston, Texas 77002 Part 25 of the Federal Aviation Regulations. (See Type Certificate Data Sheet A22WE). Original Product Type Certificate Number : A22WE Make: Boeing Model: DC-10-10 Description of Type Design Change : Installation of turbulent air tether syst em consisting of the installation of the tether assembly on Fairchild Hiller Food Service Carts P/Ns 802000, 803000, and 80 4000 and restraint attach points on U.O.P Aerotherm seats in accordance with FAA Approved United Air Lines Drawing List Number 001 or later FAA approved revisions. Limitations and Conditions: The approval of this change in type design applies basically to the Boeing DC-10- 10 aircraft only. This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determin ed by the installer that the interrelationship between this change and any of those other previously approved modifications w ill introduce no adverse effect upon the airworthiness of that aircraft. A copy of this STC mu st be included in the permanent records of the modified aircraft. This determination should in clude consideration of significant changes in weight distribution such as an increase in the fixed disposable weight in the fuselage. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission. Date of application : August 25, 1971 Date of issuance : October 26, 1971 Date reissued : November 30, 2011 ( Signature) Haifa Haj-Eid Supervisor, Technical & Administrative Support Staff Los Angeles Aircraft Certification Office ( 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 1987-763-28 ## Every issue (1) - November 30, 2011: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/37/37/37372b02ebcc436df4d222be303eaa1e7f56ce77a1bd9ab4bc628b30f8d2ee8e) --- 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.