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 quoted as having a maximum takeoff weight of over 1.3 million pounds (600,000 kg). The FAI gives credit for a slightly lower weight of 1.12 million pounds (508,200 kg), the record set by an An-225 in 1989 for the largest mass ever lifted by an airplane to an altitude of 6,500 ft (2,000 m).