# STC SA01668CH - Type: Supplemental type certificate - Status: Current, Amended - Holder: D'Shannon Products Ltd., United States - Description: Installation of Hartzell Model PHC-(C,L)3YF-1RF/F8068 three bladed propeller - Applied: April 30, 2001 - Status date: April 23, 2015 - Product: Aircraft, Single-Engine - Certification basis: Part 21 - Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15), [TCDS A-777](https://openairdocs.org/tcds/A-777) - Certificate PDF: https://openairdocs.org/files/sha256/b3/28/b328f10a21d69ee087c80df18bdd5fb94af9c7caade8da1fdd99d55ec78339d6 - Approved model list and other attachments: [SA01668CH_AML.pdf](https://openairdocs.org/files/sha256/1d/89/1d8925b8f7f4fd82bd56d60695261ad9f4cbbce23a89e72f8c6cad612cccb955) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4DAC68374DE921D786257E570074962F.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA01668CH ## ADs that name it (0) None. ## Approved models (33) - Beechcraft Corporation 35-33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Beechcraft Corporation 35-A33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Beechcraft Corporation 35-B33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Beechcraft Corporation 35-C33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Beechcraft Corporation 35-C33A ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Beechcraft Corporation 36 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Beechcraft Corporation A35 ([TCDS A-777](https://openairdocs.org/tcds/A-777)) - Beechcraft Corporation A36 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Beechcraft Corporation A36TC ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Beechcraft Corporation B35 ([TCDS A-777](https://openairdocs.org/tcds/A-777)) - Beechcraft Corporation B36TC ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Beechcraft Corporation C35 ([TCDS A-777](https://openairdocs.org/tcds/A-777)) - Beechcraft Corporation D35 ([TCDS A-777](https://openairdocs.org/tcds/A-777)) - Beechcraft Corporation E33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Beechcraft Corporation E33A ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Beechcraft Corporation E33C ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Beechcraft Corporation E35 ([TCDS A-777](https://openairdocs.org/tcds/A-777)) - Beechcraft Corporation F33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Beechcraft Corporation F33A ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Beechcraft Corporation F33C ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Beechcraft Corporation F35 ([TCDS A-777](https://openairdocs.org/tcds/A-777)) - Beechcraft Corporation G33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Beechcraft Corporation G35 ([TCDS A-777](https://openairdocs.org/tcds/A-777)) - Beechcraft Corporation H35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Beechcraft Corporation J35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Beechcraft Corporation K35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Beechcraft Corporation M35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Beechcraft Corporation N35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Beechcraft Corporation P35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Beechcraft Corporation S35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Beechcraft Corporation V35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Beechcraft Corporation V35A ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Beechcraft Corporation V35B ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) ## 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. Part * of the * R egulations. Original Product --Type Certificate N umber : Descriptio n of Type Design Change: Installation of Hartzell Model PHC-(C,L)3YF-1RF/F8068 three bladed propeller in accordance with D’Shannon Products Installation Instructions as listed on AML No. SA01668CH, or later FAA approved revision. Limitations and Condition s : 1. Compatibility of this design change with previously approved modifications must be determined by the installer. 2. Modification is limited to aircraft that have been modified with a Teledyne Continental Motors IO -550-B engine in accordance with D’Shannon Products STC SA2200SW, and aircraft models listed on AML No.SA01668CH. 3. FAA approved Airplane Flight Manual Supplement FMS-F8068-3, dated April 30, 2001, or later FAA approved revision is required. 4. Check aircraft Weight and Balance. 5. Aircraft equipped with De-Icing system are not approved to fly into known icing condition. 6. A copy of this certificate and FAA Approved Model List (AML) No. SA01668CH, dated July 5, 2002, or later FAA approved revision must be maintained as part of the permanent records for the modified aircraft. 7. 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 basis for appr oval shall remain in effect until surrendered, suspended, revoked or a termination date is otherwise established by the A dministrator of the F ederal A viation A dministration. D’Shannon Products Ltd. 1309 Co. Rd. 134 Buffalo, MN, 55313 * See attached FAA Approved M ake : * Model List (AML) No. SA01668CH for M odel : * Approved models and applicable regulations. Date reissued : March 7, 2011, March 21, 2011 Date amended : September 17, 2002, April 23, 2015 B y direction of the A dministrator Original Signed By: Roy Boffo (Signature) Roy E. Boffo Acting Manager, Propulsion and Program Management Branch Chicago Aircraft Certification Office (Title) Date of application : April 30, 2001 Date of issuance : July 5, 2002 ### SA01668CH_AML.pdf FAA APPROVED MODEL LIST (AML) NO. SA01668CH D’Shannon Products for Installation of Hartzell Model PHC-(C,L)3YF-1RF/F8068 three bladed propeller on Raytheon Aircraft Company (Beech) aircraft equipped with Teledyne Continental IO-550-B (300hp) or TSIO-520-U/-UB engines Date of Issuance: July 5, 2002 Page 1 of 1 **ORIGINAL TYPE** **CERTIFICATION** **INSTALLATION** **INSTRUCTIONS** AFM AML **ITEM** **AIRCRAFT MAKE** **AIRCRAFT MODEL** **CERTIFICATE NUMBER** **BASIS FOR** **ALTERATION** **NUMBER** **REVISION NO. / DATE** **SUPPLEMENT NO. / DATE** AMENDMENT DATE 1 Raytheon Aircraft Company (Beech) A35, B35, C35, D35, E35, F35, G35. **A-777 CAR 3 DSP- 043001C** Rev. A Dated 8/21/2002 or later FAA approved revision FMS-F8068-3 Initial Release Dated 4/30/2001 or later FAA approved revision 9/17/2002 2 Raytheon Aircraft Company (Beech) H35, J35, K35, M35, N35, P35, S35, V35, V35A, V35B, 35-33, 35-A33, 35-B33, 35-C33, 35-C33A, E33, E33A, E33C, F33, F33A, F33C, G33, 36, A36, A36TC, B36TC. **3A15 CAR 3 DSP- 043001C** Rev. A Dated 8/21/2002 or later FAA approved revision FMS-F8068-3 Initial Release Dated 4/30/2001 or later FAA approved revision 9/17/2002 Original Signed By: Mike Downs FAA Approved:_________________________________________ Michael Downs Acting Manager, Propulsion Branch Chicago Aircraft Certification Office Date Amended: September 17, 2002 Date Reissued: March 7, 2011, March 21, 2011 ## Every issue (3) - April 23, 2015: Amended, Current. [certificate](https://openairdocs.org/files/sha256/b3/28/b328f10a21d69ee087c80df18bdd5fb94af9c7caade8da1fdd99d55ec78339d6), [SA01668CH_AML.pdf](https://openairdocs.org/files/sha256/1d/89/1d8925b8f7f4fd82bd56d60695261ad9f4cbbce23a89e72f8c6cad612cccb955) - March 21, 2011: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/61/c4/61c4f8ddd95e2a4363ce2dcad7a0653d3ccca7ce2e1512cb4813dbc969c4b278), [SA01668CH_AML.pdf](https://openairdocs.org/files/sha256/1d/89/1d8925b8f7f4fd82bd56d60695261ad9f4cbbce23a89e72f8c6cad612cccb955) - March 7, 2011: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/f9/b0/f9b0219456a656e474ad6c8118ee2d4cd23b083ed17d8c4ca178cdd015140453), [SA01668CH AML.pdf](https://openairdocs.org/files/sha256/4d/05/4d05ac61fa2e1b0d75c0432bb6c2dc3f52700400a1081158df2b825fbc5f31e8) --- 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.