Where planes take off and land

A strong, uneven current in air or water...

Where they check that you are not trying to take prohibited items (liquids or sharp objects) onto the plane by scanning your hand luggage and making you walk through a metal detector...

Where you give in any check-in luggage (Bags, cases, etc) and are given a boarding pass if you don't already have one...

A.... is to reach the final destination through two or more flights.

Where passengers who are travelling business or first class can wait for their flight...

Where you collect your luggage on arrival and where there are usually trolleys for carrying heavy cases...

This symbol means...

What's this?

Where you show your boarding pass and ID and board your flight...

Where you take your luggage to check it in if you already have your boarding pass...

Who are they?