The majority of persistent hiccups are caused by injury or irritation to either the vagus or phrenic nerve. The vagus and phrenic nerves control the movement of your diaphragm. These nerves may be affected by: irritation of your eardrum, which may be caused by a foreign object. throat irritation or soreness.
For flights to/from the US, most airlines operate on a 'two piece' system - you can have two pieces of luggage checked, each weighing up to about 70lbs. For flights in the rest of the world, most airlines operate on a weight system. Coach class passengers are limited to a maximum weight of 20kg/44lbs in total.
The An-225 is a cargo transport only and has never been used as an airliner. If we continue to measure by maximum takeoff weight, the next largest plane in the world would be either the related An-124 transport or the Boeing 747 airliner. Both aircraft are quoted with a maximum weight around 900,000 lb (405,000 kg).