To whom do vessels report when navigating near Point Petre?

When navigating near Point Petre, vessels are required to report to the Seaway Management Authority. This authority is responsible for ensuring the safe and efficient operation of navigation and associated services in the area, including traffic management. Reporting to the Seaway Management Authority allows for coordinated vessel movement and helps in preventing accidents or navigational hazards in busy waters like those near Point Petre.

The other options, while they may be relevant organizations in different contexts, are not the authority vessels must contact specifically in this situation. The focus here is on maintaining safety and regulatory compliance within navigable waters, which is precisely the role of the Seaway Management Authority.