STC SR04711NY

SR04711NY Sterling Helicopter 1226 River Road Croydon, PA 19021 27 Title 14 Code of Federal Regulations * * *See FAA Approved Model List (AML) for list of make, models, and applicable certification basis.

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

2. 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. (Continued on Page 3 of 4) 04/15/2021 03/10/2022 02/26/2025 Christina M. Underwood Manager, East Certification Branch (AIR-750) Compliance & Airworthiness Division Aircraft Certification Services (AIR), AVS/FAA 3

1. Replacement of Luminator LS400 LED searchlight (steerable landing light) in accordance with Sterling Helicopter Master Drawing List listed in the Approved Model List (AML).

2. Maintenance to be performed in accordance with Sterling Helicopter Instructions for Continued Airworthiness listed in the AML.

3. Bell Textron Canada Limited 429 series rotorcraft to be operated in accordance with Sterling Helicopter Rotorcraft Flight Manual Supplement (RFMS) document no. 910146, Rev. IR, approved March 10th, 2022.

(Continued on page 3 of 4)

SR04711NY 02/26/2025 3

SR04711NY 02/26/2025 Description of Type Design Change (continued from Page 1 of 4)

4. Airbus Helicopters AS350 series rotorcraft to be operated in accordance with Sterling Helicopter Rotorcraft Flight Manual Supplement (RFMS) document no.

ST-22-501-04, Rev. IR, approved April 13, 2023.

5. Airbus Helicopters Deutschland GmbH EC135 series rotorcraft to be operated in accordance with Sterling Helicopter Rotorcraft Flight Manual Supplement (RFMS), document no. ST-22- 512-06, Rev. IR, approved April 13, 2023.

Limitations and Conditions: (continued from Page 1 of 4)

3. The Bell 429 must be OEM equipped with a PAR 46 searchlight (steerable landing light) at the approximate OEM location of the rotorcraft and must have an OEM dust cover installed.

4. The AS350 series rotorcraft must have an OEM equipped PAR46 searchlight (steerable landing light) or PAR46 searchlight (steerable landing light) installed by STC No. SH1476SO or PAR46 searchlight (steerable landing light) installed by STC No. SH8154SW-D.

5. The EC135 must have an OEM equipped PAR46 searchlight (steerable landing light) or PAR64 searchlight (steerable landing light) installed by STC No. SR09354RC.

6. The EC130 must have an OEM equipped PAR46 searchlight (steerable landing light) or PAR46 searchlight (steerable landing light) installed by STC No. SR05544DE or STC No. SR00872DE.

Certification Basis:

Based on 14 CFR 21.115 and 21.101, and the FAA policy for significant changes in FAA Order 8110.48, the FAA certification basis for the rotorcraft listed on AML is as follows:

a. The certification basis for areas that have not been altered or impacted by this modification will remain in accordance with the aircraft's relevant Type Certificate Data Sheets.

Certification Basis for Bell Textron Canada Limited 429 series, see AML.

Certification Basis for Airbus Helicopters AS350 series, see AML.

Certification Basis for Airbus Helicopters Deutschland GmbH EC135 series, seel AML.

Certification Basis for Airbus Helicopters EC130B4 and EC130T2, see AML.

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