# STC SA01175WI - Type: Supplemental type certificate - Status: Current, Amended - Holder: Duncan Aviation Inc, United States - Description: Installation of Honeywell MK VII Enhanced Ground Proximity Warning System (EGPWS). - Applied: April 10, 2003 - Status date: January 24, 2005 - Product: Aircraft, Small Multi-Engine - Certification basis: Part 21, Part 23, Part 25 - Data sheets: [TCDS A24CE](https://openairdocs.org/tcds/A24CE) - Certificate PDF: https://openairdocs.org/files/sha256/f8/88/f888f675bf7d5d5c20dcbb70cb56fd25458663e5baae70475297e7a322826dec - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C4653E2FB154C0CE86256FE200519A59.0001 - DRS record last changed: December 5, 2025 - Page: https://openairdocs.org/stc/SA01175WI ## ADs that name it (0) None. ## Approved models (2) - Raytheon Aircraft Company 1900C ([TCDS A24CE](https://openairdocs.org/tcds/A24CE)) - Raytheon Aircraft Company 1900D ([TCDS A24CE](https://openairdocs.org/tcds/A24CE)) ## 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. 3701 Aviation Road Lincoln, NE 68524 Part 25 of the Federal Aviation Regulations. A24CE Raytheon Aircraft Company Make: 1900C; 1900D Model: Installation of Honeywell MK VII Enhanced Ground Proximity Warning System (EGPWS). Data required: (1) Duncan Aviation Document List 10059000 Revision C dated June 2, 2003; and for Model 1900C (2) FAA Approved Flight Manual Supplement, Document No. 40028700, Revision Ø dated June 20, 2003 or for Model 1900D (3) FAA Approved Flight Manual Supplement, Document No. 041221007, Revision Ø dated January 24, 2005 or later FAA approved revision to (1), (2) or (3). Compatibility of this design change with previously approved modifications must be determined by the installer. 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: April 10, 2003 Date of issuance: June 20, 2003 Date reissued: Date amended: January 24, 2005 Original signed by Harvey E. Nero ( Signature) Harvey E. Nero FAA Program Manager Wichita Aircraft Certification Office (Title) FAA FORM 8110-2-1(10-69) PAGE 3 of 3 PAGES Number SA01175WI Date of Issuance: June 20, 2003 Date Amended: January 24, 2005 Date Reissued: * Certification Basis: With respect to the modifications of this STC, the applicant has complied with the following Sections of the Federal Aviation Regulations, 14 CFR Part 23, effective February 1, 1965, as amended by the Amendments stated as follows: 14 CFR Part 23 Amendment 14 CFR Part 23 Amendment § 23.301(a), (b),(c) 23-48 §23.1309(a)(1)(3)(4), (b)(2)(3)(4), (e) 23-49 §23.303 - § 23.1311(a) 23-49 §23.305(a) 23-45 §23.1321(e) 23-49 § 23.307(a) - §23.1322 23-43 § 23.365(a)(b)(c)(d) - § 23.1327(a) 23-20 § 23.561(b)(3), (e) 23-48 §23.1331(a)(b)(i) 23-43 § 23.571(b) 23-48 §23.1351(a)(2)(ii) 23-49 § 23.601 - §23.1357(a)(b)(c)(d) 23-43 § 23.603(a)(b) 23-23 § 23.1359(c) 23-49 § 23.605(a) 23-23 § 23.1365(a)(b)(d)(e) 23-49 § 23.607(b) 23-48 § 23.1367 - § 23.609(a)(b) - §23.1381(a)(b) - § 23.611 23-48 §23.1431(a)(b)(e) 23-49 § 23.613(a)(b)(c)(d) 23-45 §23.1529 23-26 § 23.619 23-7 § 23.1541(a)(b) 23-21 § 23.625(a)(b)(c) 23-7 § 23.1547(e) 23-20 § 23.627 - §23.1581(a)(b) 23-50 § 23.1301 23-20 ## Every issue (1) - January 24, 2005: Amended, Current. [certificate](https://openairdocs.org/files/sha256/f8/88/f888f675bf7d5d5c20dcbb70cb56fd25458663e5baae70475297e7a322826dec) --- 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.