What is a common method for checking for water leaks in a boat?

Pressure testing the hull is a widely recognized method for identifying water leaks in a boat. This process involves sealing the hull and then introducing air or water to create a specific pressure level. By monitoring the pressure over time, technicians can determine if there are any leaks present, as a drop in pressure indicates that air or water is escaping through gaps or cracks. This method is particularly effective because it allows for the detection of leaks that might not be visible through visual inspection alone.

In contrast, while visual inspection can reveal obvious signs of wear, corrosion, or damage, it may miss smaller or hidden leaks that are not easily seen. Manually filling the hull with water can also help to identify leaks, but it might not provide the same level of precision in measuring leakage rates as pressure testing does. Listening for sounds of water could potentially indicate leaks, but this method relies on auditory cues that may not always be reliable or detectable, especially in noisy environments. Overall, pressure testing is a systematic and thorough approach, making it a preferred choice for ensuring the integrity of a boat's hull.