# STC ST04455CH - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Learjet Inc, United States - Description: Installation of a Viasat Ka Radome in accordance with StandardAero Master Data List 1038145, Revision (E), dated November 13, 2020 or later FAA approved revision. - Applied: March 5, 2020 - Status date: April 15, 2021 - Product: Aircraft - Certification basis: Part 21, Part 25 - Data sheets: [TCDS T00005NY](https://openairdocs.org/tcds/T00005NY) - Certificate PDF: https://openairdocs.org/files/sha256/20/71/2071f1d5fb5d3757d8028df9251e7c68fcb7b3d4d3f2b276766ae50dcd9c3455 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3F7BD34190BBAEB8862586E1000A50F9.0001 - DRS record last changed: December 5, 2025 - Page: https://openairdocs.org/stc/ST04455CH ## ADs that name it (0) None. ## Approved models (1) - Bombardier Inc. BD-100-1A10 (Challenger 300) ([TCDS T00005NY](https://openairdocs.org/tcds/T00005NY)) ## 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 25 of the Federal Aviation Regulations. (See Page 3 for complete certification basis) Installation of a Viasat Ka Radome in accordance with StandardAero Master Data List 1038145, Revision (E), dated November 13, 2020 or later FAA approved revision. 1. The installer must determine whether this design change is compatible with previously approved modifications . 2. The aircraft must be maintained in accordance with FAA approved Instructions for Continued Airworthiness Document 1038100, revision (A) dated November 13, 2020 or later FAA approved revision in addition to the basic airplane maintenance manuals. 3. If the holder agrees to permit another person to use this certificate to alter the product, the holder must give the other person written evidence of that permission. 4. Equivalent Level of Safety Findings have been made for the following regulation(s): 14 CFR 25.251(b) Vibration and buffeting (documented in TSB ELOS Memorandum ST10175CH-T-F-1) Learjet, Inc 1 Learjet Way Wichita, KS 67209 T00005NY Make: Bombardier Inc. Model: BD-100-1A10 Date of application : March 5, 2020 Date of issuance: November 14, 2020 Date reissued : April 15, 2021 (Signature) Monica L. Nemecek Manager, Airframe and Administrative Section Chicago ACO Branch (Title) Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, State, and Zip code) from (Name of grantor) (Print or type) (Address of grantor) (Number and street) (City, State, and Zip code) Signature of grantor (In ink): Supplemental Type Certificate Number: ST04455CH Date of issuance: November 14, 2020 Date of amendment: Date of reissue: April 15, 2021 Certification Basis (continued) Based on 14 CFR §§ 21.115, 21.101 and the FAA policy for significant changes in FAA Order 8110.48A, the certification basis for the Bombardier Inc. BD-100-1A10 Installation of a Viasat Ka Radome is as follows: a. The type certification basis for Bombardier Inc. BD-100-1A10 is shown on TCDS T00005NY for parts not changed or not affected by the change. b. The certification basis for parts changed or affected by the change since the reference date of application, March 5, 2020, is based upon TCDS T00005NY. Based on 14 CFR § 21.115 and 21.101, and the FAA policy for significant changes in FAA Order 8110.48A, the certification basis for this modification was determined to be: Regulations at the amendment level in TCDS T00005NY 25.1(a, b)(25-0), 25.143(a)(25-84), 25.161(c(3))(25-38), 25.251(a-d)(25-77), 25.301(a, b)(25-23) 25.303(25-23), 25.305(a, b)(25-86), 25.307(a)(25-72), 25.331(a-c)(25-86), 25.333(a, b)(25-86) 25.335(a-d)(25-91), 25.337(a-d)(25-23), 25.341(a, b)(25-86), 25.349(a, b)(25-94), 25.351(a-d)(25-91) 25.365(a, b, d)(25-87), 25.561(a-c)(25-91), 25.571(a-c)(25-96), 25.581(a, c)(25-23), 25.601(25-0) 25.603(a-c)(25-46), 25.605(a)(25-46), 25.607(a-c)(25-23), 25.609(a, b)(25-0), 25.611(25-23) 25.613(a-d)(25-72), 25.619(a-c)(25-23), 25.625(a-d)(25-72), 25.629(a)(25-77), 25.1301(a-d)(25-0) 25.1353(a, b)(25-42), 25.1401(a, b)(25-41), 25.1419(a)(25-72), 25.1431(c)(25-0), 25.1519(25-0), 25.1529(25-54). ---------------------------------------- END------------------------------------------ ## Every issue (2) - April 15, 2021: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/20/71/2071f1d5fb5d3757d8028df9251e7c68fcb7b3d4d3f2b276766ae50dcd9c3455) - November 14, 2020: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/43/a6/43a6b2d1ab85094631823f7bb55e694fb932f2273d76c92db28b3dff9e535bf2) --- 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.