When launching an open lifeboat by falls, what should the boathooks be used for?

The boathooks are primarily used for fending off when launching an open lifeboat by falls. The purpose of fending off is to keep the lifeboat clear of the ship's side during the launching process, preventing damage to both the lifeboat and the vessel. By using boathooks, crew members can push away from the ship and ensure that the lifeboat can safely maneuver into the water without any obstruction.

During the launching operation, it is crucial to maintain control of the lifeboat and prevent it from colliding with the ship or getting caught on any fittings or projections. Fending off with boathooks provides that control, allowing for a smooth and safe launch.

Using boathooks for other purposes, such as pulling the boat in, securely fastening it, or throwing it to the crew, does not align with the critical function of fending off, which is essential during the launching phase. These actions could create risks and complications that would hinder the effectiveness of the launch and the safety of the crew and lifeboat.