# STC SA1034WE - Type: Supplemental type certificate - Status: Current, Reissued - Holder: United Airlines Inc, United States - Description: Installation control and annunciation circuitry to implement Flight Director "Go-Around" command modes in accordance with the UAL FAA approved drawing list dated August 11, 1965, revised August 16, 1965. UAL FAA approved Airplane Flight Manual Supplementary Log of pages as listed. Type Manual Approved Dated Appendix DC-8-21, 31, 32, 33 SM 23889 1-19-60, 3-60, 2-1-60 and V 11-28-60 respectively DC-8-51, 52, 53 LB 30582 10-10-61, 4-28-61 and 4-28-61 resp. VII DC-8-51, 52, 53 LB 30757 1-26-62 IV DC-8F-54, 55 LB 31180 1-29-63, 6-19-64 respectively IV - Applied: July 28, 1965 - Status date: November 30, 2011 - Product: Aircraft, Large Multi-Engine - Certification basis: Part 21 - Data sheets: [TCDS 4A25](https://openairdocs.org/tcds/4A25) - Certificate PDF: https://openairdocs.org/files/sha256/4e/87/4e8762ec4812dbfa260238399b42b78977cdbda4cba1097f6f530af596327a6f - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/69CB71FE2086B8AE86257992005F5062.0001 - DRS record last changed: December 5, 2025 - Page: https://openairdocs.org/stc/SA1034WE ## ADs that name it (0) None. ## Approved models (9) - The Boeing Company DC-8-21 ([TCDS 4A25](https://openairdocs.org/tcds/4A25)) - The Boeing Company DC-8-31 ([TCDS 4A25](https://openairdocs.org/tcds/4A25)) - The Boeing Company DC-8-32 ([TCDS 4A25](https://openairdocs.org/tcds/4A25)) - The Boeing Company DC-8-33 ([TCDS 4A25](https://openairdocs.org/tcds/4A25)) - The Boeing Company DC-8-51 ([TCDS 4A25](https://openairdocs.org/tcds/4A25)) - The Boeing Company DC-8-52 ([TCDS 4A25](https://openairdocs.org/tcds/4A25)) - The Boeing Company DC-8-53 ([TCDS 4A25](https://openairdocs.org/tcds/4A25)) - The Boeing Company DC-8-55 ([TCDS 4A25](https://openairdocs.org/tcds/4A25)) - The Boeing Company DC-8F-54 ([TCDS 4A25](https://openairdocs.org/tcds/4A25)) ## 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 4b of the Civil Air Regulations Original Product Type Certificate Number : 4A25 Boeing DC-8-21, 31, 32, 33, 51, 52, 53 and DC-8F-54 and DC-8F-55 Description of Type Design Change: Installation control and annunciation circuitry to implement Flight Director “Go-Around” command modes in accordance with the UAL FAA approved drawing list dated August 11, 1965, revised August 16, 1965. UAL FAA approved Airplane Flight Manual Supplementary Log of pages as listed. Type Manual Approved Dated Appendix DC-8-21, 31, 32, 33 SM 23889 1-19-60, 3-60, 2-1-60 and V 11-28-60 respectively DC-8-51, 52, 53 LB 30582 10-10-61, 4-28-61 and 4-28-61 resp. VII DC-8-51, 52, 53 LB 30757 1-26-62 IV DC-8F-54, 55 LB 31180 1-29-63, 6-19-64 respectively IV Limitations and Conditions: The approval of this change in type design applies basically to the Douglas DC-8-21, 31, 32, 33, 51, 52, 53 and DC-8F-54, 55 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 determined that the interre lationship between this change and any of those previously approved modifications will introduce no adverse effect upon the airworthiness of that aircraft. If the holder agrees to permit another person to use th is certificate to alter the product, the holder shall give the other person written evidence of that permission. This certificate and the supporting data, which is the basis for approval, shall remain in effect until surrendered, suspended, revoked or a termination date is otherwise established by the Administrator of the Federal Aviation Administration. Date of application: July 28, 1965 Date of issuance: August 19, 1965 Date reissued: November 30, 2011 Date amended: Revised September 14, 1965; September 18, 1965; August 9, 1966; April 1, 1968 ( Signature) Haifa Haj-Eid Supervisor, Technical & Administrative Support Staff, Los Angeles Aircraft Certification Office ( Title) NOTE: **DO NOT DELETE THIS PAGE.** **DO NOT ADD ANY DATA TO THIS PAGE.** **THIS PAGE IS FOR PAGE NUMBERING PURPOSES, PLEASE DISCARD PRINTED COPY.** ## Every issue (1) - November 30, 2011: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/4e/87/4e8762ec4812dbfa260238399b42b78977cdbda4cba1097f6f530af596327a6f) --- 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.