STC SR04358CH

Number: SR04358CH

Part 29 of the Federal Aviation Regulations.

(See Page 3 for complete certification basis).

Original Product Type Certificate Number: H13EU Make: Airbus Helicopters Deutschland GmbH Model: MBB-BK 117 C-2

Date of Application: April 13, 2017 Date Reissued: December 7, 2020; December 19, 2020

Date of Issuance: December 18, 2018 Date Amended: March 9, 2023 By Direction of the Administrator Signature:

Brenda L. Litchfield ODA Administrator Title: Envoy Aerospace, LLC ODA-831240-CE Ultra Electronics ICE, Inc.

2700 Amherst Avenue Manhattan, KS 66502

1) Installation of an Ultra Electronics ICE, Inc. Health Usage Monitoring System (HUMS), classified as a “Non- Credit System” relative to maintenance credits in accordance with FAA AC 29-2C MG 15 in accordance with Ultra Electronics ICE, Inc. Master Data List, Doc. No. MDL6203-0000-001, Revision A, dated March 1, 2023 , or later FAA-approved revisions.

2) Maintenance must be in accordance with Ultra Electronics ICE, Inc. Instructions for Continued Airworthiness Document No. 6203-8524, Revision A, dated February 15, 2023, or later FAA-accepted revisions.

1) This STC is applicable to all serial numbers for this Make-Model.

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

3) If the 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.

Number: SR04358CH

(Continuation Sheet) Number: SR04358CH Date Amended: March 9, 2023 Certification Basis:

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 Airbus Helicopters Deutschland GmbH MBB-BK 117 C-2 aircraft is as follows:

a. The type certification basis for the Airbus Helicopters Deutschland GmbH MBB-BK 117 C-2 aircraft is shown on TCDS H13EU 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 H13EU. Based on 14 CFR Part 29, and the FAA policy for significant changes in Order 8110.48, the certification basis for this modification was determined to be:

Applicable 14 CFR Part 29 regulations at the latest amendment 29-1 through 29-40 § 29.29(a)(b) § 29.301(a)(b) § 29.303 § 29.305(a) § 29.307(a) § 29.561(c)(d) § 29.601(a) § 29.603(a)(b)(c) § 29.605(a) § 29.607(a)(b) § 29.609(a)(b) § 29.611 § 29.613(a)(b)(c)(d) § 29.619(a)(b) § 29.625(a) § 29.853(a) § 29.1163(a)(b) § 29.1301(a)(b)(c)(d) § 29.1307(b) § 29.1309(a)(b)(c)(d)(f)(g)(h) § 29.1351(a)(d) § 29.1353(a)(b) § 29.1357(a)(c) § 29.1431(a)(b) § 29.1529

Applicable 14 CFR Part 29 regulations at other amendment levels § 29.1309(e) [Amdt 29-40]; § 29.1359(c) [Amdt 29-42].

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