These include 6 international airports, 15 domestic airports, and 3 customs airports.

Tamil Nadu has 3 international airports, a customs airport and 2 domestic airports.

The following are designated Customs airports:

During 1949, San Luis was equipped as a customs airport and opened to domestic and international traffic in August.

They also deal with the zero-rating provided for the handling of certain ships, aircraft and cargo in UK ports and customs airports.

Customs airports may not have international commercial flights but if they have the customs officers may only be in attendance for scheduled international services.

The Pune Airport was declared as a Customs airport in January, 1997 for the export of specified goods.

Pune was declared as customs airport on 17 January 1997, primary for exporting perishable agricultural products, i.e. flowers, fruits, vegetable and processed food.

Used for the onward carriage of Third Country or T1 status imported goods to another UK Customs airport for clearance.

Sole clue to the short-lived Cricklewood, London's first customs airport, is nearby Templehof Avenue, Berlin's Airport of that era.

Other international and customs airports present in the state are Coimbatore Airport, Tiruchirapalli Airport and Madurai Airport.

The airport was a Customs Airport until 4 October 2012, when it was given an International Airport status by the Ministry of Civil Aviation.

Mangalore Airport was a customs airport for six years from 3 October 2006 to 3 October 2012, before it was granted the status of International Airport.

Later that month, it was notified that an aerial lighthouse had been installed at the airfield, flashing the Morse letter A, and Saint-Inglevert became a customs airport on 20 May.

A customs airport is an airport notified by the appropriate customs authority of the country as an airport which shall be airports for the unloading of imported goods and the loading of export goods or any class of such goods.

Both regions are famous for seafood, which we both love, and there appeared to be a reasonable number of airfields dotted about, ranging from little fields up in the mountains to Porto, one of Portugal's only three Customs airports - the others are Lisbon and Faro.

Article 10: (Landing at customs airports): The state can require that landing to be at a designated customs airport and similarly departure from the territory can be required to be from a designated customs airport.

Other international airports present in the state are Coimbatore International Airport and Tiruchirapalli International Airport, Madurai Airport is a customs airport and Salem Airport and Tuticorin Airport are domestic airports which connect their respective cities to other parts of the country.