PADI Divemaster Certification Practice Exam

Which mapping pattern is generally preferred for its efficiency?

1. Circular pattern

2. Grid pattern

3. U-pattern

4. Linear pattern

The correct answer is: U-pattern

The U-pattern is preferred for its efficiency in mapping because it allows divers to maximize their coverage of an area while minimizing the time and energy spent doing so. This pattern typically involves moving in a series of sweeping motions that resemble a "U" shape, which can easily cover large areas without requiring divers to backtrack excessively. Additionally, the U-pattern enables divers to establish a clear rhythm that can help maintain a constant pace, making it easier to monitor the underwater environment and identify notable features. This method also facilitates communication and coordination among divers, enhancing safety and ensuring that the team can work effectively together. While the other mapping patterns have their uses, such as the circular pattern being effective for smaller, more confined areas or the grid pattern being systematic for detailed surveys, the efficiency offered by the U-pattern in terms of area coverage and energy conservation often makes it the preferred choice for mapping larger expanses underwater.