# STC SA02539AK - Type: Supplemental type certificate - Status: Current, Amended - Holder: David A. Stoots, United States - Description: Installation of a Continental Aerospace Technologies IO-370CLC1U8 and Hartzell Model HC-C2YR-1N/NG8301,-3, -7 Propeller - Applied: September 12, 2017 - Status date: August 31, 2026 - Product: Aircraft, Small Airplane - Data sheets: [TCDS 3A11](https://openairdocs.org/tcds/3A11), [TCDS 3A12](https://openairdocs.org/tcds/3A12), [TCDS 3A17](https://openairdocs.org/tcds/3A17), [TCDS A-799](https://openairdocs.org/tcds/A-799) - Certificate PDF: https://openairdocs.org/files/sha256/a1/1a/a11a866048f4183b0d964cac0b659e5d4372a88987b1e83809f0fe26a2d8f350 - Approved model list and other attachments: [SA02539AK_AML.pdf](https://openairdocs.org/files/sha256/db/96/db96e968f16cf4286e9c0620f599569f51155eb305d0ed5b54422573a2269b93) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID190738544720260902151134.0001 - DRS record last changed: September 2, 2026 - Page: https://openairdocs.org/stc/SA02539AK ## ADs that name it (0) None. ## Approved models (16) - Textron Aviation Inc. 170A ([TCDS A-799](https://openairdocs.org/tcds/A-799)) - Textron Aviation Inc. 170B ([TCDS A-799](https://openairdocs.org/tcds/A-799)) - Textron Aviation Inc. 172A ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172B ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172C ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172D ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172E ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172F (USAF T-41A) ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172G ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172H (USAF T-41A) ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 175 ([TCDS 3A17](https://openairdocs.org/tcds/3A17)) - Textron Aviation Inc. 175A ([TCDS 3A17](https://openairdocs.org/tcds/3A17)) - Textron Aviation Inc. 175B ([TCDS 3A17](https://openairdocs.org/tcds/3A17)) - Textron Aviation Inc. 175C ([TCDS 3A17](https://openairdocs.org/tcds/3A17)) - Textron Aviation Inc. 321 ([TCDS 3A11](https://openairdocs.org/tcds/3A11)) - Textron Aviation Inc. P172D ([TCDS 3A17](https://openairdocs.org/tcds/3A17)) ## 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: SA02539AK David A Stoots 3686 University Ave. Fairbanks, AK 99709 Certifies that the change in the type design for the following product with the limitations and conditions therefore as specified hereon meets the airworthiness requirements Part 3 of The Civil Air Regulations. Make: * Model: * *Refer to FAA Approved Model List for STC SA02539AK, dated September 25, 2020, or later FAA approved revision, for airplane makes and models, corresponding Type Certificate numbers, and applicable airworthiness regulations. Installation of a Continental Aerospace Technologies IO-370CLC1U8 and Hartzell Model HC-C(G)2YR-1N/ NG8301, -3, -7 Propeller in accordance with Master Data List, DSA 175-1 370, Rev E, dated October 14, 2019, or later FAA approved revision. 1. The installer must determine whether this design change is compatible with previously approved modifications. (Limitations and Conditions continued on page 3 of 3) Date of application: September 12, 2017 Date of issuance: September 25, 2020 Date reissued: Date amended: October 7, 2020; August 31, 2026 for Gregory S. DiLibero Title: Manager, West Certification Branch 14 CFR 21.120) FAA Form 8110-2 (10/24) SUPERSEDES PREVIOUS EDITION PAGE 1 OF 3 United States of America Department of Transportation Supplemental Type Certificate PAGE 2 OF 3 FAA Form 8110-2 (10/24) SUPERSEDES PREVIOUS EDITION Number: SA02539AK Effective date: August 31, 2026 Transfer Endorsement Transfer the ownership of Supplemental Type Certificate Number: SA02539AK **14 CFR 21.120)** United States of America Department of Transportation Supplemental Type Certificate PAGE 3 OF 3 FAA Form 8110-2 (10/24) SUPERSEDES PREVIOUS EDITION Number: SA02539AK Effective date: August 31, 2026 2. FAA Approved Airplane Flight Manual Supplement, Document No. DSA 170-172-175-1301, Revision IR, dated August 17, 2020, or later FAA approved revision is required. 3. For Instruction for Continued Airworthiness on the Model IO-370CLC1U8 Engine, refer to Continental Aerospace Technologies Manual No. M-32. 4. For Instruction for Continued Airworthiness on the Model HC-C(G)2YR-1N/NG8301,-3,-7 Propeller, refer to Hartzell Manual No. 145. 5. For Instruction for Continued Airworthiness on the David A. Stoots parts of the installation, refer to DSA- IO-370 ICA, Revision IR, dated June 6, 2018, or later accepted revision. ---END--- **14 CFR 21.120)** ### SA02539AK_AML.pdf United States Of America Department of Transportation - Federal Aviation Administration David A Stoots 3686 University Ave. Approved Model List (AML) Number: SA02539AK Date of Issuance: September 25, 2020 Revision A: August 31, 2026 Fairbanks, AK 99709 AML for the Installation of a Continental Aerospace Technologies IO-370CLC1U8 and Hartzell Model HC-C(G)2YR-1N/NG8301,-3, -7 Propeller Page 1 of 1 **AIRPLANE MAKE** **AIRPLANE MODEL TYPE** **CERTIFICATE NUMBER** **CERTIFICATION** **BASIS FOR** **ALTERATION** **REQUIRED INSTALLATION** INSTRUCTIONS Textron Aviation Inc 170A A-799 CAR Part 3, Dated 12/15/1946, amd. 03-1 Thru 03-4 DSA 170-172-175-1100-IO- 370, revision IR, dated June 6, 2018, or later FAA approved revision. Textron Aviation Inc 170B A-799 Car Part 3, Dated 11/1/1949, amd. 03-1 and 03-2 DSA 170-172-175-1100-IO- 370, revision IR, dated June 6, 2018, or later FAA approved revision. Textron Aviation Inc 172,A,B,C,D,E,F,G,H 3A12 CAR Part 3, Dated 11/1/1949, amd. 03-1 thru 03-12 DSA 170-172-175-1100-IO- 370, revision IR, dated June 6, 2018, or later FAA approved revision. Textron Aviation Inc 175,A,B,C 3A17 CAR Part 3, Dated 5/15/1956 DSA 170-172-175-1100-IO- 370, revision IR, dated June 6, 2018, or later FAA approved revision. Textron Aviation Inc P172D 3A17 CAR Part 3, Dated 5/15/1956 DSA 170-172-175-1100-IO- 370, revision IR, dated June 6, 2018, or later FAA approved revision. ## Every issue (2) - August 31, 2026: Amended, Current. [certificate](https://openairdocs.org/files/sha256/a1/1a/a11a866048f4183b0d964cac0b659e5d4372a88987b1e83809f0fe26a2d8f350), [SA02539AK_AML.pdf](https://openairdocs.org/files/sha256/db/96/db96e968f16cf4286e9c0620f599569f51155eb305d0ed5b54422573a2269b93) - October 7, 2020: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/6d/b3/6db3d00ca12aff0eaefa43da6eb146ef0e7fa55ca2618143bbbba0b0bd9206fb), [SA02539AK_AML.pdf](https://openairdocs.org/files/sha256/1a/22/1a2206f15a9b0abf521e864a55eee61e43f9e1dbdf4920f852107ed9a7580670) --- 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.