# STC SA2460SO - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Airweld Inc, United States - Description: Installation of Garrett Model GTCP85-98CK APU. - Applied: February 23, 1988 - Status date: April 28, 2008 - Product: Aircraft, Large Multi-Engine - Certification basis: Part 21 - Data sheets: [TCDS 4A26](https://openairdocs.org/tcds/4A26) - Certificate PDF: https://openairdocs.org/files/sha256/ad/7d/ad7dac498d9e71e26811f36536fd44eb683a9539dfd91219a79b214c184d0e31 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2571B6C444164A4386257448007DD2D2.0001 - DRS record last changed: December 5, 2025 - Page: https://openairdocs.org/stc/SA2460SO ## ADs that name it (0) None. ## Approved models (2) - The Boeing Company 707-300B ([TCDS 4A26](https://openairdocs.org/tcds/4A26)) - The Boeing Company 707-300C ([TCDS 4A26](https://openairdocs.org/tcds/4A26)) ## 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 AIRWELD, INC. 8167 BELVEDERE AVENUE, SUITE D SACRAMENTO, CALIFORNIA 95826 Part 4b of the Civil Air Regulations Original Product Type Certificate Number : 4A26 **BOEING** B707-300B, -300C Description of Type Design Change : Installation of a Garrett Model GTCP85-98CK Auxiliary Power Unit (APU) in accordance with World Auxiliary Power Compan y (previously Page Avjet) Master Drawing List No. MDL-88-19, Revision D, dated October 31, 1988, or later FAA approved revision. FAA approved Airplane Flight Manual Supplements Page Avjet No. FMS-88-516, dated November 17, 1988, and World Auxiliary Power No. FMS-93-001, dated August 4, 1993, or later FAA approved revisions are required, as applicable, with this installation. . Limitations and Conditions: This installation is approved for ground operation only. 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 th at the interrelationship between this change and any of those other previously approved modifications will produce no adverse effect upon the airworthiness of that airplane. A copy of this STC must be included in the permanent records of the modified 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. To maintain the validity of this STC the provisions of Airworthiness Directive 93-07-13 must be incorporated on or before May 26, 1996. Date of application : February 23, 1988 Date of issuance : November 17, 1988 Date reissued : Dec. 21, 1988, July 16, 1997, January 5, 2000, December 3, 2001, April 28, 2008 Date amended : December 21, 1988, August 31, 1993 ( Signature) Manager, Propulsion Branch 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.** Number ## Every issue (1) - April 28, 2008: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/ad/7d/ad7dac498d9e71e26811f36536fd44eb683a9539dfd91219a79b214c184d0e31) --- 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.