STC SR00150IB

IMPORT SR00150IB HELIBRAS - Helicópteros do Brasil S. A.

Rua Santos Dumont, 200 - Distrito Industrial 37504-900 - Itajubá /MG Brasil Part 27 Title 14 Code of Federal Regulations H9EU Airbus Helicopters AS350B3 Installation of a Direction Finder model RT-600, in accordance with the Master Document List n° 350B04009, Rev. “E“, dated June 26, 2023, or later ANAC approved revision; maintained in accordance with Helibras Instructions for Continued Airworthiness (ICA), Document No. STC-HB-152-ICA, Rev. “2”, dated June 26, 2023, or later ANAC accepted revision, and operated in accordance with the Rotorcraft Flight Manual Supplement (RFMS)No. H.02-5385-0/ANAC/2020, Rev. “1”, dated June 26, 2023, or later ANAC approved revision

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

(Limitation and Conditions continued on page 3 of 3) February 24, 2021 December 7, 2023 Anthony E. Gallo Manager, International Validation Branch Compliance & Airworthiness Division Aircraft Certification Service 3

IMPORT SR00150IB 3

IMPORT SR00150IB (Date of Issuance December 7, 2023) Limitations and Conditions (continued from page 1 of 3):

2). If the holder agrees to permit another person to use the certificate to alter the product, the holder shall give the other person written evidence of that permission.

3). This STC is applicable to all serial numbers for these Make-Models

4). The aircraft must be operated in accordance with the limitations section of the flight manual supplement referenced in the Description section.

Required Marks and Placards:

1. At the circuit breaker panel “31 ALP”, near the 3A circuit breaker : “DF”;

2. Individual inscription on two keys of the audio control panel: “DF”.

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