Developed FixedSizeBinaryArray support and datum conversion for the apache/iceberg-rust repository, enhancing interoperability and reliability for binary data types within the project. Focused on implementing conversion logic for fixed binary primitive types, the work ensured consistency with existing Uuid-type handling and improved the robustness of binary data processing. Comprehensive unit tests were added to validate the new functionality and maintain code quality. Leveraging Rust programming and a strong understanding of data structures, the changes increased maintainability and documentation coverage. This contribution addressed the need for consistent binary data semantics and strengthened the integration paths in the Iceberg Rust codebase.