How often should mariners check local Aids to Navigation for changes?

Mariners should check local Aids to Navigation regularly for updates because navigational aids can change frequently based on a variety of factors such as seasonal changes, maintenance work, or environmental conditions. Regularly checking local aids ensures that mariners have the most current information, which is essential for safe navigation. This practice helps sailors be aware of any alterations in buoy placements, light characteristics, or new hazards that may affect their routes.

While annual checks may seem sufficient, they do not account for the potential changes that could occur throughout the year. Additionally, checking aids to navigation only after every voyage may be excessive and not practical for keeping informed between voyages. Relying on conditions such as bad weather is not a reliable method for staying updated, as changes may occur during good weather conditions as well. Therefore, establishing a routine to regularly check for updates is the best approach for maintaining navigational safety.