STC ST04455CH

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------------------------------------------