What is the periodicity for inspecting slings, bails, and hoisting fittings according to PMS requirements?

The periodicity for inspecting slings, bails, and hoisting fittings is established to ensure safety and operational readiness. The correct choice specifies that these inspections should occur once a month or before each lift. Regular inspections are critical because they allow personnel to identify any wear, damage, or potential failure points in the equipment, which could pose serious safety hazards during operations.

Inspecting these items once a month or before each lift aligns with best practices for maintaining equipment integrity and ensuring that lifting devices are suitable for use. This frequency helps ensure that any issues can be addressed promptly, ultimately enhancing safety and performance during lifting operations.

In contrast, the other options suggest frequencies that might not adequately account for the wear and tear that could occur, especially if slings and hoisting fittings are used often or are subjected to heavy conditions. This distinction highlights the importance of maintaining a regular schedule that mitigates risk effectively.