What carry—on baggage rules apply to domestic flights?
In general, carry-on baggage totaling 5kg or less in weight per item per passenger may be brought on board free of charge. First class passengers are allowed two pieces of carry-on baggage. Business class and economy class passengers are allowed a maximum of one piece. Each piece shall not exceed 20 x 40 x 55 cm in size. Any carry-on items in excess of the abovementioned allowed number of pieces, size, or weight shall be transported as checked baggage.