A lot of us are, most of the time, selecting airplanes trips as our mode of transportation, especially when we are traveling abroad. Holidays, visiting friends and families, some people even works in other countries. We have many of alternatives in carriers, we can always choose the cheapest ticket in our date and buy it. But the problem is not only with looking for proper flight. Also, we have to prepare to our journey, and beaware of plenty regulations about flying by plane. Different thing is luggage, at the very same time we are booking our tickets, we must to choose type of it.