# STC SA3038WE-D - Type: Supplemental type certificate - Status: Current, Reissued - Holder: United Airlines Inc, United States - Description: Installation of dual Collins FD-109 Flight Director System in accordance with master list of drawings and related documents for United Air Lines Change Order Authorization No. 2-4950 dated April 27, 1977 or later FAA approved revision. Each system consists of one each of the following components. Roll computer P/N 522-4428-008, Pitch Computer P/N 522-4892-008, Instrument Amplifier P/N 522-3874-005, Control Panel P/N 522-4431-001, Horizon Flight Director Indicator P/N 522-4430-002, Course Deviation Indicator P/N 522-2782-004, Pitch Mode Annunciator P/N R2901-159 and Roll Mode Annunciator P/N R2901-160. The Boeing DC-8-61 FAA Approved Aircraft Flight Manual DAC-33161 has been reviewed and no revision is required as a result of this change. - Applied: May 17, 1977 - Status date: November 30, 2011 - Product: Aircraft, Large Multi-Engine - Certification basis: Part 21, Part 25 - Data sheets: [TCDS 4A25](https://openairdocs.org/tcds/4A25) - Certificate PDF: https://openairdocs.org/files/sha256/b5/65/b5655c9eb507b93b5b06255a7a5ade778e0124b9f5caa041eb8a30f8798c3646 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E9325E52768F7FC78625799700520B27.0001 - DRS record last changed: December 5, 2025 - Page: https://openairdocs.org/stc/SA3038WE-D ## ADs that name it (0) None. ## Approved models (1) - The Boeing Company DC-8-61 ([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. Number SA3038WE-D This Certificate issued to United Air Lines, Inc. 600 Jefferson Street Houston, Texas 77002 Part 25 of the Federal Aviation Regulations. 4A25 Boeing DC-8-61 Description of Type Design Change : Installation of dual Collins FD-109 Flight Director System in accordance with master list of drawings and related docum ents for United Air Lines Change Order Authorization No. 2-4950 dated April 27, 1977 or late r FAA approved revision. Each system consists of one each of the following components. Roll computer P/N 522-4428-008, Pitch Computer P/N 522-4892-008, Instrument Amplifier P/N 522-3874-005, Control Panel P/N 522-4431-001, Horizon Flight Director Indicator P/N 522-4430- 002, Course Deviation (Continuation on page 3.) Limitations and Conditions: The approval of this change in type design applies to Boeing DC-8-61 aircraft already fitted with dual Collins FD-109 Flight Director Systems and this change installs a different configuration of FD-109 system from that previously installed. This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined by the installer that the interrelationship between the above FD-109 configuration and any other previously approved system or modification will introduce no adverse effect upon the airworthiness of the aircraft. 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 : May 17, 1977 Date of issuance : May 24, 1977 Date reissued : November 30, 2011 (Signature) Haifa Haj-Eid Supervisor, Technical & Administrative Support Staff Los Angeles Aircraft Certification Office ( Title) Transfer the ownership of the Supplemental Type Certificate Number to (Name of transferee) (Address of transfer) (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) Extent of Authority (if licensing agreement): Signature of grantor (In ink): U.S. GPO 1987-763-28 Number SA3038WE-D Description of Type Design Change: (Cont’d) Indicator P/N 522-2782-004, Pitch Mode Annunciator P/N R2901-159 and Roll Mode Annunciator P/N R2901-160. The Boeing DC-8-61 FAA Approved Aircraft Flight Manual DAC-33161 has been reviewed and no revision is required as a result of this change. ---END--- ## Every issue (1) - November 30, 2011: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/b5/65/b5655c9eb507b93b5b06255a7a5ade778e0124b9f5caa041eb8a30f8798c3646) --- 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.