What is the tender responsible for during the dive?

• A. Divers' training
• B. Umbilical management and diver safety
• C. Buoyant control of the ship
• D. Fuel management

Answer: (B)

The tender’s job during a dive is to be the diver’s safety link to the surface by managing the diver’s umbilical and monitoring safety. The umbilical carries the breathing gas, communications, and often other essentials, so the tender feeds out or retrieves the line as the diver moves, keeps the line clear of tangles and hazards, and maintains appropriate tension to detect snags or drag. The tender also monitors gas pressure/status at the surface, maintains clear communication with the diver and the dive supervisor, and is ready to assist in emergencies or coordinate a safe ascent. This role is focused on the safety and controllability of the dive line, not on training divers, adjusting the ship’s buoyancy, or handling fuel management, which are other responsibilities outside the tender’s scope.