# STC SA915NW - Type: Supplemental type certificate - Status: Current, Reissued - Holder: McHugh Aviation Inc, United States - Description: Installation of a South Wind Model 940 combustion heater. - Applied: March 21, 1980 - Status date: June 25, 2004 - Product: Aircraft, Single-Engine - Certification basis: Part 3, Part 21 - Data sheets: [TCDS A-769](https://openairdocs.org/tcds/A-769) - Certificate PDF: https://openairdocs.org/files/sha256/fa/f0/faf0ae931c75e9e50a1dad300a455719bb4559c5db4d0fad91cf029534768bcd - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F3497D2E1EB900FA86256EE6004B50DB.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA915NW ## ADs that name it (0) None. ## Approved models (1) - Sky Enterprises Inc. RC-3 ([TCDS A-769](https://openairdocs.org/tcds/A-769)) ## 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 SA915NW This certificate, issued to McHugh Aviation, Inc. 3763 Image Drive Anchorag e, AK 99504 Part 3 of the Civil Air Regulations. Original ProductType Certificate Number: A-769 Make: STOL (REPUBLIC) Model: RC-3 Description of the Type Design Change: Installation of a model 940 South Wind combustion cabin heater and associated distribution system in accordance with Simuflight, Seattle Drawing Numbers SS-8000, Sheets 1 and 2, and Report SS-800. NOTE: This cabin heater is a replacement of the original document. Limitations and Conditions: The approval of this change in type design applies to the above model 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 relationship between this change and any of those other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that aircraft. A copy of this Certificate shall be maintained as part of the permanent records for 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. Date of application: March 21, 1980 Date reissued: June 25, 2004 Date of issuance: April 4, 1980 Date amended: June 25, 2004 (Signature) Acting Manager, Seattle Aircraft Certification Office (Title) ## Every issue (1) - June 25, 2004: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/fa/f0/faf0ae931c75e9e50a1dad300a455719bb4559c5db4d0fad91cf029534768bcd) --- 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.