STC SR11810SE

SR11810SE Helicopter Transport Services, LLC 14497 Keil Rd NE Aurora, OR 97002 Part 29 Title 14 CFR See AML SR11810SE See AML SR11810SE See AML SR11810SE Approval of this change in type design applies to the rotorcraft listed on AML SR11810SE only.

The installation should not be incorporated on any aircraft unless it is determined that the interrelationship between this installation and any previously approved configuration of the aircraft will not introduce any adverse effect the airworthiness of the aircraft.(Cont. on page 3.)

01/13/2020 01/30/2025 3 Installation of Helicopter Transport Services, LLC External Load Indicating System in accordance with the Master Drawing List (MDL) OAS-620-MDL, Revision H, dated February 22, 2024, as listed on the AML. Maintained in accordance with the Instructions for Continued Airworthiness (ICA) OAS-620-29.1529, Revision IR, dated July 6, 2022. (Continued on Page 3)

SR11810SE 3

SR11810SE Description of Design Change (continued from Page 1):

1. Operated in accordance with Rotorcraft Flight Manual Supplement (RFMS), OAS-620-29.1581, Revision IR, dated October 25, 2024, as listed on AML

Limitations and Conditions (continued from Page 1):

1. A copy of this certificate, the AML SR11810SE, the ICA, the Installation Manual, Document Number 620-E1-001, and the RFMS, must be maintained as part of the permanent records for the modified aircraft.

2. Operational approval for external load operations must be granted by the local Aviation Authority.

3. If the holder permits another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

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