When arriving at a navigation lock what is the order of priority for a boat?

When arriving at a navigation lock, the order of priority for a boat typically follows these guidelines: commercial vessels, larger boats, and then smaller recreational vessels. Vessels with a higher draft or those requiring more significant elevation changes generally take precedence. Additionally, local traffic or vessels with specific time-sensitive needs may also be prioritized. Always be attentive to the lock's signals and instructions from the lock personnel.