Primary and secondary steering tests must be conducted no more than how many hours before entering or getting underway?

The testing of primary and secondary steering systems is crucial for ensuring the safety and operability of the vessel before it gets underway. According to regulations, these tests must be conducted no more than 12 hours prior to getting underway. This 12-hour window is designed to ensure that any issues that may arise with the steering systems can be addressed promptly, minimizing risks of steering failure during critical phases of navigation.

Conducting these tests within this timeframe helps to guarantee that the crew can react to any potential problems that may manifest close to the time of departure, maintaining the vessel's integrity and safety. This requirement is particularly important because steering failures can lead to serious navigational issues and even accidents at sea.

Therefore, the correct 12-hour limit is in place to support maritime safety and operational readiness in a practical and responsible manner.