What should be the operator of powerboat A do If powerboat B begins to cross on the starboard (right) side?

If powerboat A sees powerboat B crossing on its starboard (right) side, the operator of powerboat A should maintain their course and speed, as they have the right of way. Powerboat B is considered the give-way vessel in this situation. However, the operator of powerboat A should remain vigilant and be prepared to take evasive action if necessary to avoid a collision. Ensuring safe navigation and clear communication is essential in this scenario.