Where are Federal Aviation Administration (FAA) publications located?

The correct answer, which indicates that FAA publications are located in the Aeronautical Data Exchange (ADX) online, is accurate because the ADX serves as a centralized repository for various aeronautical data, including critical FAA publications. These publications are essential for understanding regulations, operational procedures, and safety standards within the aviation industry.

The ADX provides access to a broad range of documents that support the needs of the aviation community, ensuring that users can easily find and reference the most current and relevant materials. This facilitates better compliance with FAA regulations and enhances overall safety and efficiency in aviation operations.

In contrast, while the other options may refer to online platforms that handle specific types of aviation data or systems, they do not serve as primary sources for FAA publications. Therefore, understanding the role of the ADX is key for those seeking reliable and comprehensive access to FAA documents.