STC SR11923SE

SR11923SE Helicopter Transport Services, LLC 14497 Keil Rd NE Aurora, OR 97002 Part 29 Title 14 CFR See AML SR11923SE See AML SR11923SE See AML SR11923SE Approval of this change in type design applies to the rotorcraft listed on AML SR11923SE 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.)

04/28/2024 03/11/2025 for Manager, West Certification Branch 3 Installation of Helicopter Transport Services, LLC Shock Absorber HTS-2000 in accordance with the Master Drawing List (MDL) MDL-HTS-SHOCK, Revision F, dated October 11, 2024, as listed on the AML, or a later approved revision. (Continued on Page 3)

SR11923SE 3

SR11923SE Description of Design Change (continued from Page 1):

1. Maintained in accordance with the Instructions for Continued Airworthiness (ICA) , document ICA-HTS-SHOCK, Revision C, dated September 26, 2024 or later accepted revision.

Limitations and Conditions (continued from Page 1):

1. A copy of this certificate, the AML SR11923SE, and the ICA, 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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