Two line pulls during ascent indicate which of the following?

• A. Stop
• B. Normal ascent
• C. You have come up too far; go back down until we stop you
• D. Are you all right?

Answer: (C)

In line-based signaling used during ascent, the number of pulls on the line is a specific message between the diver and the surface supervisor. Two pulls indicate that the diver has risen past the designated ascent stop and must be brought back down to the pre-set stop depth so the ascent can be re-established safely. This helps keep the ascent within planned stops and prevents overshooting decompression requirements. The other options don’t fit because a simple stop, a normal ascent, or a general safety check aren’t conveyed by two pulls on the line; a normal ascent would typically show no overshoot signal, and a direct request like “Are you all right?” is a separate verbal check rather than a line-based stop command.