# STC SA5721NM - Type: Supplemental type certificate - Status: Current, Reissued - Holder: D'Shannon Products Ltd., United States - Description: Installation of replacement cockpit control knobs for throttle, mixture, propeller,parking brake, heater, cowl flaps. - Applied: March 29, 1992 - Status date: June 14, 2012 - Product: Aircraft, Small Airplane - 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/d7/c6/d7c688d20972d250b1bd52bf5a7f75b2134e4972872d4e2088a7e07e842ab96a - Approved model list and other attachments: [SA5721NM_AML.pdf](https://openairdocs.org/files/sha256/95/fe/95fe148c3499d8914f731ad2d7231c975269e2be01d87981157661c5e1ff33d7) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/5D39EA2D60CA2E2886257A370066DF02.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA5721NM ## ADs that name it (0) None. ## Approved models (35) - Hawker Beechcraft Corporation 35 ([TCDS A-777](https://openairdocs.org/tcds/A-777)) - Hawker Beechcraft Corporation 35-33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Hawker Beechcraft Corporation 35-A33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Hawker Beechcraft Corporation 35-B33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Hawker Beechcraft Corporation 35-C33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Hawker Beechcraft Corporation 35-C33A ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Hawker Beechcraft Corporation 35R ([TCDS A-777](https://openairdocs.org/tcds/A-777)) - Hawker Beechcraft Corporation 36 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Hawker Beechcraft Corporation A35 ([TCDS A-777](https://openairdocs.org/tcds/A-777)) - Hawker Beechcraft Corporation A36 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Hawker Beechcraft Corporation A36TC ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Hawker Beechcraft Corporation B35 ([TCDS A-777](https://openairdocs.org/tcds/A-777)) - Hawker Beechcraft Corporation B36TC ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Hawker Beechcraft Corporation C35 ([TCDS A-777](https://openairdocs.org/tcds/A-777)) - Hawker Beechcraft Corporation D35 ([TCDS A-777](https://openairdocs.org/tcds/A-777)) - Hawker Beechcraft Corporation E33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Hawker Beechcraft Corporation E33A ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Hawker Beechcraft Corporation E33C ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Hawker Beechcraft Corporation E35 ([TCDS A-777](https://openairdocs.org/tcds/A-777)) - Hawker Beechcraft Corporation F33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Hawker Beechcraft Corporation F33A ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Hawker Beechcraft Corporation F33C ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Hawker Beechcraft Corporation F35 ([TCDS A-777](https://openairdocs.org/tcds/A-777)) - Hawker Beechcraft Corporation G33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Hawker Beechcraft Corporation G35 ([TCDS A-777](https://openairdocs.org/tcds/A-777)) - Hawker Beechcraft Corporation H35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Hawker Beechcraft Corporation J35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Hawker Beechcraft Corporation K35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Hawker Beechcraft Corporation M35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Hawker Beechcraft Corporation N35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Hawker Beechcraft Corporation P35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Hawker Beechcraft Corporation S35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Hawker Beechcraft Corporation V35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Hawker Beechcraft Corporation V35A ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Hawker 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. United States of America Department of Transportation - Federal Aviation Administration Supplemental Type Certificate Number SA5721NM This certificate, issued to: D’Shannon Products, Ltd. 1309 County Road 134 Buffalo, MN 55313 Part * of the * Regulations. Original Product -- Type Certificate Number: * See attached FAA Approved Model List (AML) Make: * No. SA5721NM for list of approved airplane Model: * models and applicable airworthiness regulations. Description of the Type Design Change: Installation of replacement cockpit control knobs for throttle, mixture, propeller, parking brake, heater, and cowl flaps with parts manufactured in accordance with Dialco West drawing list Kit 159000, no revision, dated February 17, 1992. Limitations and Conditions: 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 and the FAA Approved Model List (AML) must be maintained as part of the permanent records for the modified aircraft. Date of application: March 29, 1992 Date reissued: November 22, 2011, June 14, 2012 Date of issuance: May 22, 1992 Date amended: Timothy Smyth (Signature) Timothy Smyth Manager, Propulsion Branch Chicago Aircraft Certification Office (Title) ### SA5721NM_AML.pdf FAA APPROVED MODEL LIST (AML) NO. SA5721NM D’Shannon Products, Ltd. FOR Replacement Throttle, Mixture, Propeller, Parking Brake, Heater, and Cowl Flap Cockpit Control Knobs. Date of Issuance: May 22, 1992 **ORIGINAL TYPE** **CERTIFICATION** **BASIS FOR** **FAA APPROVED DRAWING/** **DRAWING LIST** AML **ITEM** **AIRCRAFT MAKE** **AIRCRAFT MODEL** **CERTIFICATE NUMBER** **ALTERATION NUMBER** **REVISION NO. / DATE** AMENDMENT DATE 1 Hawker Beechcraft 35, A35, B35, C35, D35, E35, F35, G35, 35R **A-777 CAR 03 KIT 159000** NR, 2/17/92 5/22/92 2 Hawker Beechcraft 35-33, 35-A33, 35-B33, 35-C33, 35-C33A, E33, E33A, E33C, F33, F33A, F33C, G33, H35, J35, K35, M35, N35, P35, S35, V35, V35A, V35B, 36, A36, A36TC, B36TC **3A15 CAR 3 KIT 159000 NR, 2/17/92 5/22/92** Original Signed By: Timothy Smyth FAA Approved:_________________________________________ Timothy Smyth Manager, Propulsion Branch Chicago Aircraft Certification Office Reissued: November 22, 2011, June 14, 2012 Page 1 of 1 ## Every issue (2) - June 14, 2012: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/d7/c6/d7c688d20972d250b1bd52bf5a7f75b2134e4972872d4e2088a7e07e842ab96a), [SA5721NM_AML.pdf](https://openairdocs.org/files/sha256/95/fe/95fe148c3499d8914f731ad2d7231c975269e2be01d87981157661c5e1ff33d7) - May 22, 1992: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/cb/c9/cbc922839306e667590e000cf9535d2df657f56c23a742709f5d9599b007a6d5), [SA5721NM AML.pdf](https://openairdocs.org/files/sha256/73/c3/73c379d595f85c6c0975a2388af46ae85697fb668ce8b4d0cc6a0ccf0c334db9) --- 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.