STC ST04519CH

Number: ST04519CH

Part 25 of the Federal Aviation Regulations.

(See Page 3 of 3 for complete certification basis.)

Original Product Type Certificate Number: T00007WI Make: Textron Aviation, Inc.

Model: 750

1) This STC is applicable to the following serial numbers: MSN 750-0001 through 750-0500.

2) The installer must determine whether this design change is compatible with previously approved modifications.

3) FAA Approved Airplane Flight Manual Supplements, West Star Aviation Doc. No. A21311M-683, Revision I/R, approved December 2, 2021, or later FAA approved revision, and West Star Aviation Doc. No. A21336M -684, Revision I/R, approved December 2, 2021, or later FAA approved revision are required on board the modified aircraft.

4) FAA Approved Instructions for Continued Airworthiness – Airworthiness Limitations, Section 10 of West Star Aviation Doc. No. A21311P-685, Revision I/R, approved December 2, 2021, or later FAA approved revision is a required part of this STC.

5) If the STC holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission.

Date of Application: September 14, 2021 Date Reissued:

Date of Issuance: December 2, 2021 Date Amended:

Brenda L. Litchfield ODA Administrator Title: Envoy Aerospace, LLC ODA-831240-CE West Star Aviation 2 Airline Court East Alton, IL 62024 Installation of a Honeywell FANS-1/A+ Datalink Communications System in accordance with West Star Aviation Master Data List, Doc. No. A21311L-658, Revision A, dated November 3, 2021, or later FAA-approved revision.

Number: ST04519CH Date of Issuance: December 2, 2021

(Continuation Sheet) Number: ST04519CH Date of Issuance: December 2, 2021 Certification Basis (continued):

Based on 14 CFR §§ 21.115 and 21.101, and the FAA policy for significant changes in FAA Order 8110.48, the certification basis for the Textron Aviation, Inc. 750 is as follows:

a. The type certification basis for the Textron Aviation, Inc. 750 is shown on TCDS T00007WI for parts not changed or affected by the change.

b. This certification basis for parts changed or affected by the change since the reference date of application is based upon TCDS T00007WI. Based on 14 CFR 21.115 and 21.101, and the FAA policy for significant changes in Order 8110.48, the certification basis for this modification was determined to be:

Applicable regulations at the amendment shown on TCDS T00007WI § 25.29(a)(b) § 25.301(a) § 25.303 § 25.305(a)(b) § 25.307(a) § 25.341(a) § 25.365(a)(b)(c)(d) § 25.561(c)(d) § 25.571(a)(b) § 25.581(a)(b)(c) § 25.601 § 25.603(a)(b)(c) § 25.605(a) § 25.607(a)(b)(c) § 25.609(a)(b) § 25.611 § 25.613(a)(b)(c)(d) § 25.619(a)(b)(c) § 25.625(a) § 25.771(a) § 25.777(a)(c) § 25.789(a) § 25.1301(a)(b)(c)(d) § 25.1307(c) § 25.1309(a)(b)(c)(d)(e)(f)(g) § 25.1316(b)(c) § 25.1322(a)(b)(c)(d) § 25.1333(c) § 25.1351(a)(1) § 25.1353(a)(b) § 25.1357(a)(c) § 25.1381(a)(b) § 25.1431(a)(b)(c) § 25.1501(a)(b) § 25.1523(a)(b) § 25.1529 § 25.1581(a)(b)(d) § 25.1583(h) § 25.1585(a)

Applicable 14 CFR Part 25 regulations at other amendment levels § 25.869(a)(4) [Amdt 25-113] § 25.981(a)(3) [Amdt 25-102] § 25.1457(a)(b)(c)(d)(1)-(3)(6)(e)(f)(g) [Amdt 25-124]

Special Conditions 25-ANM-80, Special Conditions, Cessna Aircraft Company, Model 750 (Citation X) Airplane, High Altitude Operation, paragraphs 1(a)(b)(c) [Docket No NM-89] 25-686-SC, Special Conditions, Textron Aviation, Inc., Model 750 Airplane; Non-Rechargeable Lithium Battery Installations [Docket No. FAA-2017-0378]

-----END-----