What is required when a UH-60 is inbound to pick up a sling load with a 10k apex?

In the context of sling load operations with a UH-60 helicopter, the correct requirement when picking up a sling load with a 10k apex is the use of an aluminum spacer. This component is essential for ensuring the proper functionality and stability of the load during transport.

The aluminum spacer is used to prevent the apex fitting from being damaged or deformed under load. In particular, the spacer helps ensure that the weight of the load is distributed evenly across the apex and that it remains securely attached to the helicopter's cargo hook system. This is critical for maintaining safe flight operations and preventing any malfunctions during the pickup.

When performing sling load operations, it is paramount to follow specific equipment requirements that enhance safety and efficiency. The aluminum spacer plays a crucial role in facilitating a secure connection between the sling load and the helicopter. The other choices, while they may have their applications in different contexts, do not serve the specific purpose required for ensuring the proper handling and securing of a 10k apex during these operations.