# STC SA2433WE - Type: Supplemental type certificate - Status: Current, Reissued - Holder: United Airlines Inc, United States - Description: Modification of the Boeing 747-122 airplane by the installation of Weber Waste Cart P/N 818680, Tray Cart P/N 818600, Entree Cart P/N 818610 and Liquor Cart P/N 818620. - Applied: June 9, 1971 - Status date: November 30, 2011 - Product: Aircraft, Large Multi-Engine - Certification basis: Part 21, Part 25 - Data sheets: [TCDS A20WE](https://openairdocs.org/tcds/A20WE) - Certificate PDF: https://openairdocs.org/files/sha256/6d/a8/6da8744c6b66283d5a8cd1304674309c3e2fa601031620130153e1186c935db1 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/8DE87F87CF055FAA862579980067B70C.0001 - DRS record last changed: December 5, 2025 - Page: https://openairdocs.org/stc/SA2433WE ## ADs that name it (0) None. ## Approved models (1) - The Boeing Company 747-100 Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE)) ## 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 A20WE.) Original Product Type Certificate Number : A20WE Make: Boeing Model: 747-122 Description of Type Design Change : Modification of the Boeing 747-122 airp lane by the installation of Weber Waste Cart P/N 818680, Tray Cart P/N 818600, Entrée Cart P/N 818610, and Liquor Cart P/N 818620 in accordance with FAA Approved United Air Lines Drawing List Number 002, or later FAA approved revisions. Limitations and Conditions : The approval of this change in type design applies basically to the Boeing 747-122 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. This determination should include considerat ion 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 : June 9, 1971 Date of issuance : October 18, 1971 Date reissued : November 30, 2011 Date amended : December 17, 1971 ( 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 (2) - November 30, 2011: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/6d/a8/6da8744c6b66283d5a8cd1304674309c3e2fa601031620130153e1186c935db1) - December 17, 1971: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/03/33/03332bf790c9a6181383a23628b8016eb555cc5d355d364f1ea411915a3140cc) --- 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.