# STC SA2870WE - Type: Supplemental type certificate - Status: Current, Reissued - Holder: D'Shannon Products Ltd., United States - Description: Installation of right and left hand cockpit side windows in accordance with FAA sealed Beryl D Shannon Aviation Specialties, Inc. Drawing List DLB-1301 or later FAA approved revision. - Applied: December 12, 1972 - Status date: June 17, 2011 - Product: Aircraft, Single-Engine - Certification basis: Part 3, Part 21 - Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15) - Certificate PDF: https://openairdocs.org/files/sha256/82/cf/82cf15919f7d8313cb9d31d72f3eed43eb7b26032e8d61c32f466d23094f8be2 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/13002F733174E1BB8625792C00580967.0001 - DRS record last changed: December 5, 2025 - Page: https://openairdocs.org/stc/SA2870WE ## ADs that name it (0) None. ## Approved models (24) - 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 36 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Hawker Beechcraft Corporation A36 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - 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 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 G33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - 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. Part 3 of the Civil Air Regulations. Description of Type Design Change: Installation of right and left hand cockpit side windows in accordance with FAA sealed Beryl D’ Shannon Aviation Specialties, Inc. Drawing List DLB-1301 or later FAA approved revision. Limitations and Conditions: Vent windows P/N’s B-1308, -1 and -2 are not to be opened above 145 MPH. If an alternate static source is installed in the cockpit, it is not to be used with the vent windows open. The approval of this change in type design applies basically to Beech Models 35-33, 35-A33, 35-B33, 35-C33, 35-C33A, C33, E33A, E33C, F33, F33A, F33C, G33, H35, J35, K35, M35, N35, P35, S35, V35, V35A, V35B, 36, and A36 only. This approval should not be extended to other aircraft of these models on which other previously approved modifications are incorporated unless it is determined by the installer that the interrelationship between this change and any of those previously approved modifications will introduce no adverse effect upon the airworthiness of that 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. D’Shannon Products, Ltd. 1309 County Road 134 Buffalo, MN 55313 3A15 Make : Beech Model : 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; V25B; 36; A36 Date of application: December 12, 1972 Date of issuance: June 06, 1974 Date reissued: February 7, 1975; March 20, 1994; February 15, 2011; June 17, 2011 Date amended: ( Signature) S. Frances Cox Manager, Special Certification Office Southwest Region ( Title) ## Every issue (2) - June 17, 2011: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/82/cf/82cf15919f7d8313cb9d31d72f3eed43eb7b26032e8d61c32f466d23094f8be2) - February 15, 2011: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/4f/40/4f40d3381ec6288bfa36b28b9a29c64ae903b4d6f27c5159408603ceca803cfa) --- 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.