How long does a prolonged blast typically last?

A prolonged blast typically lasts 4-6 seconds. This duration is significant for communication between vessels on the water, acting as a signal to other boaters about your intentions or alerting them to your presence. A blast of this length allows for clear recognition and understanding, especially in situations where visibility is compromised or where noise interference might make shorter signals ineffective. Understanding the correct duration of a prolonged blast is essential for all boat operators to ensure safety and effective communication while navigating waterways.