Air transport refers to the use of aircraft, helicopters and other aircraft to transport personnel, goods and mail. Passengers, luggage, cargo and mail are transported by air outside a country at their departure, transit and terminal points. Mainly on international routes. International routes are established through bilateral air transport agreements between governments. In order to ensure the safety and efficiency of international navigation, extensive international cooperation and coordination must be carried out in accordance with unified procedures and rules. The International Civil Aviation Organization and the Regional Civil Aviation Organization have played an important role in international air transport.China's international air transport began in July and March 1950, when the Sino-Soviet Civil Airlines co-operated with the former Soviet Union opened three international routes from Beijing to Chita, Irkutsk and Almaty of the former Soviet Union. 

Air transportation began in 1871. At that time, the French in the Franco-Prussian War used balloons to transport government officials, materials, mail and other goods out of Paris besieged by the Prussian army. On May 5, 1918, air transport first appeared, with routes from New York to Washington to Chicago. On June 8 of the same year, regular postal flights began between London and Paris. In the 1930s, there were civil transport planes, and various technical performances were constantly improved. The development of the aviation industry promoted the development of air transport. After the end of the Second World War, the world has gradually established a network of routes. The network of world routes, starting from the major cities of various countries, covers all continents. In 1990, the total turnover of world scheduled flights reached 235.67 billion tons per kilometer.

1. The shipper shall fill in the cargo transport form to the carrier and attach the necessary valid supporting documents in accordance with the provisions of the competent national authorities. The shipper shall be responsible for the authenticity and correctness of the contents of the transport form. A contract for the carriage of goods by air shall be established when the cargo transport document submitted by the shipper is accepted by the carrier and the cargo transport document is filled out by the carrier.

2. When the shipper requests to transport goods by chartered aircraft, he shall fill in the application for charter flights. After the carrier agrees to accept and sign the charter flights agreement, the contract for the carriage of goods by charter flights shall be established. The individual signing the agreement shall abide by the provisions of the competent civil aviation authority concerning charter flights.

3. The shipper shall pack the goods transported in accordance with the packaging standards stipulated by the competent state authorities; if there is no uniform stipulation on the packaging standards, the shipper shall pack the goods according to the nature of the goods and the conditions such as carrying aircraft, in accordance with the principle of ensuring transport safety. The carrier has the right to refuse to carry goods that do not meet the above packing requirements.

4. The shipper must mark the departure, arrival, shipper and consignee on the consigned goods. Names and addresses shall be marked with indicators of packaging, storage and transportation in accordance with the provisions of the State.

5. For goods that must be insured by the State, the shipper shall insure the goods for transport at the time of shipment.

6. The shipper shall pay the freight and other charges at the rates prescribed by the competent civil aviation authority for the consignment of goods. Unless otherwise agreed by the shipper and the carrier, freight and other charges shall be paid in one lump sum at the time of issuance of the bill of lading for the goods.

7. The carrier shall issue a notice of arrival to the consignee within 24 hours after the arrival of the goods at the place of delivery. The consignee shall promptly withdraw the goods at the designated place on the basis of the certificate of delivery. The goods shall be kept free of charge for March from the day after the notice of arrival is issued. The consignee shall pay the custody fee in accordance with the transport rules when the withdrawal is overdue.

8. When the consignee withdraws the goods, he has no objection to the abandonment or weight of the goods halfway and signs the receipt on the cargo waybill, the carrier is discharged from the liability for carriage.

9. If the shipper or consignee seeks compensation for the loss of the shipper or consignee due to the fault or intentional cause of the shipment, the shipper or consignee shall submit the claim in writing to the carrier within 180 days after the date of filling in the record of the accident in the carriage of goods, accompanied by relevant supporting documents.