How often is the DWO open book after the first attempt?

The correct answer is that the DWO (Designated Waterfront Officer) examination is open book every 5 years following the initial attempt. This schedule allows individuals to remain updated with current regulations, practices, and safety standards pertinent to their duties. By having this open book format every 5 years, it ensures that officers can access relevant materials and reference documents to assist them in refreshing their knowledge and understanding, thus promoting continuous education in their roles.

This approach helps to maintain a consistent level of expertise and awareness of operational standards within the Coast Guard's framework, ultimately enhancing safety and efficiency in maritime operations. Additionally, the five-year interval allows enough time for significant updates or changes that may affect procedures and regulations, making it essential for officers to stay informed.