Which type of attachment cannot be used on a CH-47?

The type of attachment that cannot be used on a CH-47 is the Single Point Nylon attachment. This is due to the design and operational capabilities of the CH-47 Chinook helicopter, which is primarily intended to utilize stronger and more secure attachment systems that can handle the dynamic loads associated with heavy lift operations.

Nylon attachments, while useful in certain applications, do not provide the same strength or reliability as steel attachments, particularly in high-stress scenarios. The CH-47 is equipped with more robust options, like multi-point steel attachments, dual hook attachments, and swivel hook connections, which not only facilitate a wider variety of load configurations but also ensure a greater margin of safety during transport.

In essence, the mission profile of the CH-47, designed for transporting heavy and complex loads, requires the use of more durable and secure attachment methods over nylon options. Therefore, the Single Point Nylon attachment is not compatible with the CH-47's operating characteristics.