# STC SA01446SE - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Aero Mark Inc, United States - Description: Installation of Hartzell HC-C2YR-1BF/F8477-4 propeller - Applied: March 10, 2004 - Status date: November 4, 2004 - Product: Aircraft, Single-Engine - Certification basis: Part 21, Part 23 - Data sheets: [TCDS A22NM](https://openairdocs.org/tcds/A22NM) - Certificate PDF: https://openairdocs.org/files/sha256/20/b4/20b4ef605cfa648c84d1edd595d30230a1477c6ec89b0533c94ff35ec1ca0fc7 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/AC71CACBFA320DCF86257A1600592302.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA01446SE ## ADs that name it (0) None. ## Approved models (3) - Sky International Inc. A-1 ([TCDS A22NM](https://openairdocs.org/tcds/A22NM)) - Sky International Inc. A-1A ([TCDS A22NM](https://openairdocs.org/tcds/A22NM)) - Sky International Inc. A-1B ([TCDS A22NM](https://openairdocs.org/tcds/A22NM)) ## 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 SA01446SE This certificate, issued to Aero Mark Inc. 1940 International Way Idaho Falls, Idaho 83402 Part 23 of the Civil Air Regulations. Original ProductType Certificate Number: A22NM Make: Sky International (Aviat) Husky Model: A-1, A-1A, and A-1B Description of the Type Design Change: Installation of Hartzell HC-C2YR-1BF/F8477-4 propeller in accordance with Gate 9 Aircraft Maintenance, Inc. Document G9-II-PROP, Rev. N/C “Gate 9 Husky Propeller installation Instructions,” dated March 11, 2004. Limitations and Conditions: Approval of this change in type design applies to the above aircraft only. This approval should not be extended to other aircraft on which other previously approved modifications are incorporated unless it is determined that the relationship between this change and any other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that aircraft. This airplane must be maintained in accordance with document G9-II-PROP, Rev. N/C. A copy of this Certificate and the Aircraft Flight Manual Supplement G9-AFMS-01, Rev. N/C, dated August 31, 2004 or later FAA approved revision of these documents, must 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. This certificate and the supporting data which is the ba sis 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: March 10, 2004 Date reissued: November 4, 2004 Date of issuance: August 31, 2004 Date amended: November 4, 2004 (Signature) Acting Manager, Seattle Aircraft Certification Office (Title) ## Every issue (1) - November 4, 2004: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/20/b4/20b4ef605cfa648c84d1edd595d30230a1477c6ec89b0533c94ff35ec1ca0fc7) --- 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.