What is the term for the rope or cable used to extend or hoist the fly section(s) of an extension ladder?

The term for the rope or cable used to extend or hoist the fly section(s) of an extension ladder is known as the halyard. This component is essential in the operation of extension ladders, as it allows firefighters to successfully raise and lower the ladder's fly sections, enabling it to reach higher locations. The halyard is usually attached to a pulley system within the ladder and is operated by a firefighter to control the ladder's positioning.

Other terms mentioned, such as hawser, sheet, and leader, refer to different types of ropes or rigging used in various contexts. A hawser is typically a heavier rope used for mooring or towing ships, and a sheet generally refers to a line used in sailing to control sails. A leader can refer to a guiding rope or line but not specifically related to ladder operation. Understanding these distinctions helps clarify the specific role and terminology associated with ladder equipment in firefighting.