Final answer:
In baggage loading of an MD80, begin from the rear part of the plane moving towards the front to ensure proper weight distribution and safe flight operations.
Step-by-step explanation:
When loading bags on an MD80 airplane, it is important to start from the rear of the aircraft and work towards the front. This method is used to ensure proper weight balance throughout the aircraft, which is critical for safe flight operations. Loading the aircraft in this manner helps to maintain the center of gravity within safe operating limits, a crucial aspect of aircraft handling and performance.