Load shifting

Load shifting is a dangerous phenomenon in water, air, and ground transportation where many small moveable items (for example, coal) shifts or spills towards the downward side when the cargo vehicle consistently tips past 10 or 15 degrees. Over time, this can lead to escalating tilting of the cargo vehicle and can lead to tipping or eventual capsizing. Such a dangerous occurrence is prevented by active load management, avoidance of high sea conditions, and proper container/bulkhead design.

On a cargo airplane, a professional loadmaster is necessary to prevent the highly-dangerous phenomenon of load shifting. If a plane begins to take off with unsecured cargo, some of the cargo may slide to the aft of the airplane, resulting in a catastrophic switch in the centre-of-gravity and a stall condition. The National Airlines Flight 102 disaster is currently believed to be a result of load shifting.

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