STC SA03204CH

SA03204CH DS Technologies, LLC

D/B/A DST 18223 Air Park Road Hagerstown, MD 21742 Part 23 Title 14 Code of Federal Aviation A24CE Textron Aviation Inc.

B300, B300C (MC-12W), B300C (UC-12W) Installation of an RF Transparent Pod and an optional Retractable Item of Mass in accordance with DST, LLC Master Data List 1021750, Revision (H), dated May 14, 2025 or later FAA approved revision.

Maintenance to be performed in accordance with DST Instructions for Continued Airworthiness, Document No. 1021840 Revision A Dated, August 12, 2013 or later FAA approved revision.

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

2. FAA Approved Airplane Flight Manual Supplement document number 1025305, Revision (C) dated November 18, 2020, or later FAA approved revision is a required part of this modification.

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.

April 30, 2012 March 25, 2014 December 20, 2013 December 1, 2020, May 20, 2026 Michael P. Linegang Manager, East Certification Branch Compliance & Airworthiness Division Aircraft Certification Service 3

SA03204CH 3

SA03204CH Certification Basis ( continued)

Based on 14 CFR §§ 21.15, 21.101 and the FAA policy for significant changes in FAA Order 8110.48A, the certification basis for Textron Aviation Inc. B300, B300C (MC-12W), B300C (UC-12W) Installation of an RF Transparent Pod and an optional Retractable Item of Mass Installation is as follows:

a. The type certification basis for Textron Aviation Inc. B300, B300C (MC-12W), B300C (UC-12W) aircraft is shown on TCDS A24CE 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, April 30, 2012, is based upon TCDS A24CE. 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 A24CE

23.l(a, b)(23-34), 23.23 (a, b)(23-45), 23.45(a, b, d, e)(23-62), 23.49(a2, a3, a4, a5, a6, b)(23-62)

23.53(c)(23-62), 23.59(a)(23-50), 23.63(a, d)(23-50), 23.67(c, d)(23-50), 23.69(a, b)(23-50), 23.77(c)(23-62)

23.143(a, c)(23-50), 23.145(a-e)(23-50), 23.147(a-c)(23-50), 23.149(b, e)(23-50), 23.153(a-d)(23-50)

23.157(a-d)(23-50), 23.171(Original), 23.173(a-c)(23-34), 23.175(a, c)(23-50), 23.177(a, b, d)(23-62)

23.181(a, b)(23-62), 23.201(a, c-f)(23-62), 23.203(a-c)(23-62), 23.207(a-c)(23-50), 23.251(Original)

23.253(a, b2, c)(23-50), 23.301(a-c)(23-48), 23.303(Original), 23.305(a, b)(23-45), 23.307(a, b)(Original)

23.321(a, b)(Original), 23.331(a, b)(Original), 23.333(a-d)(23-34), 23.337(a-c)(23-34), 23.341(23-34)

23.347(Original), 23.349(a, b)(23-34), 23.351(Original), 23.365(a, b, d)(Original), 23.421(a, b)(23-7)

23.423(a, b)(23-7), 23.425(a-d)(23-7), 23.427(a, b)(23-14), 23.441(a-c)(23-28), 23.443(a-d)(23-34)

23.561 (c) (23-34), 23.571(a, b, c)(23-34), 23.573(b)(23-48), 23.60l(Original), 23.603(a, b)(23-23)

23.605(a, b)(23-23), 23.607(a-c)(23-48), 23.609(a, b)(Original), 23.611(23-48), 23.613(a-e)(23-45)

23.619(23-7), 23.623(a, b)(23-7), 23.625(a-c)(23-7), 23.627(Original), 23.867(a, c)(23-49)

23.1301(a-c)(23-62), 23.1309(a, c, d)(23-62), 23.1310(a, b)(23-62), 23.1322(b, c, e)(23-43)

23.1351(a)(23-49), 23.1357(a-c)(23-43), 23.1365(a, b, d, e)(23-49), 23.1367(a-d)(Original)

23.1431(a, b)(23-62), 23.1501 (a, b)(23-21 ), 23.1505(c)(23-62), 23.1519(Original), 23.1525(23-45)

23.1529(23-26), 23.1581(a1, a2, b1, b3, c, d, f)(23-50), 23.1583(a1, a3, h)(23-62), 23.1587(a, d)(23-62).

Regulations at the latest amendment.

36.1(a2, c)(36-26), 36.2(b)(36-24), 36.3(36-14), 36.5(Original), 36.6(a-e)(36-26), 36.9(a)(36-19)

36.501(a1, c)(36-19), 36.1501(a)(36-15), 36.1581(a2, b, c)(36-25), G36.101(a-d)(36-16) G36.103(a-d)(36-16), G36.105(a-g)(36-24), G36.107(a-c)(36-22), G36.109(a-g)(36-16), G36.111(a-c)(36-27) G36.201(a-d)(36-22), G36.203(a, b)(36-16), G36.301(a, b)(36-28).