What term describes a rigging equipment inspection performed at regular intervals?

• A. Shackle
• B. Hook design
• C. Synthetic ropes
• D. Periodic inspection

Answer: (D)

The main idea here is the idea of a scheduled check of equipment. A periodic inspection is a formal, recurring evaluation of rigging gear performed at set intervals to catch wear, deformation, corrosion, or other damage before it causes a failure. This term is used specifically to denote the planned cadence of inspection, not the physical part or a type of rope. Unlike daily in-use checks, which are quick checks done before each lift, a periodic inspection is more thorough and often carried out by a competent person and documented. The other options refer to a specific piece of hardware (a shackle), a design aspect (hook design), or a material type (synthetic ropes), not the act or schedule of inspection, so periodic inspection is the correct choice.