STC SR12074IB

IMPORT SR12074IB

SABENA TECHNICS BGC 9 BOULEVARD HENRI ZIEGLER

GALILEE BAT A 31700 BLAGNAC FRANCE Part 27 Title 14 Code of Federal Regulations R0001RD Airbus Helicopters EC120B

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

(See Limitations and Conditions Continued on Page 3 of 3) 05/19/2025 07/11/2025 John Yoo Manager, International Validation Branch Compliance & Airworthiness Division Aircraft Certification Service 3

1. Installation of halon free Umlaut fire extinguisher P/N P3APP003010D with extinguishing agent 2-BTP (Halotron® BrX) in accordance with Sabena Technics BGC Master Data List Document Number 2152-01-A-MDL-R01, Revision 01, dated January 31, 2025, or later EASA approved revisions.

(See Description of Type Design Change Continued on Page 3 of 3)

2. Maintenance in accordance with Sabena Technics BGC Instructions for Continued Airworthiness Document Number 2152-01-A-ICA-R01, Revision 01, dated January 31, 2025, or later EASA accepted revision.

3. Operation in accordance with Sabena Technics BGC Rotorcraft Flight Manual Supplement Document Number 2152-01-A-RFMS-R01, Revision 01, dated June 10, 2024, or later EASA approved revision.

2. Pre-requisite installation of Eurocopter Service Bulletin EC 120 SB 21-011, for helicopters in configurations 3 and 4 (Lateral installation / Extra cold option).

3. Aircraft must be operated in accordance with the "Limitations" section of the Rotorcraft Flight Manual Supplement document listed under the Description of Type Design Change of this STC.

4. 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.

5. This STC is applicable to all serial numbers for the applicable models.

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