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Recently I am aware of a change made to the IATA Ground Operations Manual (IGOM) in regards to the position of the wheel chock on the main landing gear.
Is there a justification for why one method is preferred or is safer than the other?
If the inner wheels are chocked, the ground crew person would likely have to place their arm/hand in the path of the wheels to grab the rope and pick up the chock.
Required, but never shown