When the MHU-141 trailer is loaded with the hinged deck open, what must be done?

When the MHU-141 trailer is loaded with the hinged deck open, it is essential to ensure that the deck-panel supports are properly positioned and locked in place with quick-release pins. This step is crucial for maintaining the structural integrity and safety of the trailer during transport. The locking mechanism provided by the quick-release pins secures the deck-panel supports, preventing any accidental movement or detachment that could lead to dangerous situations or equipment damage while the trailer is in transit.

Positioning and locking the supports properly also ensures that any munitions or equipment loaded onto the trailer are stable and secure, minimizing the risk of shifting during movement. This procedure is a key part of safe handling practices and adheres to regulatory standards for munitions transport.