
The concept of a port of entry varies across countries. In the United States, a port of entry is defined as a geographical area under the jurisdiction of a port director. This means that a port of entry can include several border crossings, as well as air and sea ports. Airports of entry can range from large international airports with heavy passenger traffic to small rural airports serving general aviation exclusively. Some countries have automated sections at ports of entry, which are open to their own residents or citizens, such as the e-Channel in Hong Kong and Macau, and Global Entry at some airports in the United States.
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What You'll Learn
- Airports of entry can be large urban airports or small rural airports
- Immigration procedures at ports of entry are carried out by armed forces in some countries
- Automated sections at ports of entry are open to residents or citizens of the country
- Not every border crossing is a port of entry
- Some airports are no longer international airports but retain their names

Airports of entry can be large urban airports or small rural airports
The impact of airports on economic growth has been studied, with varying conclusions. Some sources suggest that airports have a positive impact on urban economic growth, particularly in cities with developed tourism and a strong industrial foundation. However, other sources indicate that the positive impact of airports on economic growth is primarily associated with large international hub airports, and the same effect has not been documented for small and medium-sized airports.
The Rural Airports List, compiled by the Bureau of Transportation Statistics, defines a rural airport as one that has fewer than 100,000 commercial passengers departing by air during a specific period and meets certain additional criteria. These criteria include not being located within 75 miles of another airport with more than 100,000 commercial passengers departing, receiving essential air service subsidies, or not being connected by paved roads to another airport. The list is used by airlines to set airfares, with reduced ticket taxes and exemptions from segment fees for flights to and from rural airports.
The Global Entry program by the U.S. Customs and Border Protection allows eligible members to use their cards at land borders and certain airports. While some individuals have expressed confusion about whether airports are considered land borders, the card is generally accepted at airports, and separate rules may apply for land crossings.
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Immigration procedures at ports of entry are carried out by armed forces in some countries
Ports of entry are places where people can lawfully enter a country. They are typically staffed by border security personnel who check passports and visas and inspect luggage to prevent contraband from being imported. International airports, road crossings, and rail crossings on a land border are all considered ports of entry. Seaports can also be designated as ports of entry if a dedicated customs presence is posted there.
In some countries, immigration procedures at ports of entry are carried out by the armed forces rather than specific immigration officers. This means that armed forces personnel are responsible for checking passports and visas, inspecting luggage, and ensuring that individuals entering the country have the proper documentation and authorization to do so. They may also be involved in preventing unlawful entry and managing the flow of people and goods across the border.
The specific procedures and requirements for immigration at ports of entry can vary depending on the country and the type of port of entry. For example, in the United States, the Customs and Border Protection (CBP) agency is responsible for securing and facilitating operations at 328 ports of entry, including air, sea, and land entries. The Global Entry program, offered by CBP, allows eligible individuals to use expedited clearance when entering the United States at designated airports.
In the European Union, flights between countries in the Schengen Area are considered domestic regarding passport and immigration checks. Several international airports within the Schengen Area only have intra-Schengen flights, with occasional charter flights to non-Schengen countries. It's important to note that not every border crossing is a designated port of entry, and the presence of a port director is required for a location to be considered a port of entry.
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Automated sections at ports of entry are open to residents or citizens of the country
A port of entry (POE) is a place where people can lawfully enter a country. It typically has border security staff and facilities to check passports and visas and to inspect luggage to ensure that contraband is not imported. International airports are usually ports of entry, as are road and rail crossings on a land border. Seaports can be used as ports of entry only if a dedicated customs presence is posted there.
The choice of whether to become a port of entry is up to the civil authority controlling the port. An airport of entry (AOE) is an airport that provides customs and immigration services for incoming flights. These services allow the airport to serve as an initial port of entry for foreign visitors arriving in a country. The word "international" in an airport's name usually means that it is an airport of entry, but many airports of entry do not use it. Airports of entry can range from large urban airports with heavy scheduled passenger service, like John F. Kennedy International Airport, to small rural airports serving general aviation exclusively.
Some countries have automated sections at ports of entry that are open to residents or citizens of the country. For example, the e-Channel found in Hong Kong and Macau, and Global Entry, found at some airports in the United States. These programs allow residents or citizens to bypass border security staff and facilities and use automated services to enter the country.
In the United States, U.S. citizens are not required to provide proof of citizenship to federal authorities while in the United States. U.S. citizens also have the right to enter the United States and cannot be denied entry for refusing to provide passwords or unlock devices. However, refusing to answer routine questions about the nature and purpose of travel could result in delay and/or further inspection. U.S. citizens do not have to answer questions about their religious beliefs and practices or political opinions and cannot be denied entry for declining to do so.
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Not every border crossing is a port of entry
A port of entry (POE) is a place where people can lawfully enter a country. It typically has border security staff and facilities to check passports and visas and to inspect luggage to ensure that contraband is not imported. International airports are usually ports of entry, as are road and rail crossings on a land border. Seaports can be used as ports of entry only if a dedicated customs presence is posted there.
The choice of whether to become a port of entry is up to the civil authority controlling the port. An airport of entry (AOE) is an airport that provides customs and immigration services for incoming flights. These services allow the airport to serve as an initial port of entry for foreign visitors arriving in a country. The word "international" in an airport's name usually means that it is an airport of entry, but many airports of entry do not use it. Airports of entry can range from large urban airports with heavy scheduled passenger service, like John F. Kennedy International Airport, to small rural airports serving general aviation exclusively.
On some international borders, the concept of a port of entry does not exist or is not applied to select countries of free-crossing pacts. For example, most EU citizens may travel freely within the Schengen Area, which is made up of 29 European countries. Similarly, before September 11, 2001, it was permissible for persons entering the U.S. to do so at any point (including back roads or closed border stations), as long as they proceeded directly to an open border inspection station. This policy has changed, and most roads entering the U.S. at locations other than an open and staffed border inspection station have been barricaded.
In summary, not every border crossing is a port of entry. The distinction between a border crossing and a port of entry lies in the presence of a port director and the ability to lawfully enter a country at that location. While a port of entry is a designated point of entry with border security staff and facilities to check passports, visas, and luggage, a border crossing may lack these formalities and instead allow travellers to cross wherever and whenever convenient.
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Some airports are no longer international airports but retain their names
While airports are not technically land borders, they are considered "ports of entry". According to the Code of Federal Regulations, a port of entry is defined as a "geographical area under the jurisdiction of a port director". This means that not every border crossing is a port of entry, and some ports of entry may encompass several border crossings, as well as air and sea ports.
Now, to address the issue of airports that are no longer international but retain their names. This is indeed the case for several airports around the world. For example, Osaka International Airport ended all international services in 1994 and became a domestic airport after the opening of Kansai International Airport. However, it retained its original name of "Osaka International Airport". A similar situation occurred with Taipei Songshan Airport, which retained its official Chinese name, "Taipei International Airport", even after the opening of Taiwan Taoyuan International Airport (formerly known as Chiang Kai-shek International Airport).
There are various reasons why airports might change their names, and it is often related to prominent people or significant contributions. For instance, Louisville Muhammad Ali International Airport (SDF) was originally named Standiford Field after Dr. Elisha David Standiford, who played a crucial role in Louisville transportation history. However, in 2019, it was renamed to honour the iconic boxer and Louisville native, Muhammad Ali.
Another example is the Bill and Hillary Clinton National Airport (LIT) in Arkansas, which was renamed in 2012 to honour the former President and First Lady. Airports may also be named after influential figures posthumously, such as in the case of Jackson-Evers International Airport (JAN) in Mississippi, which was named after Medgar Wiley Evers, a Civil Rights activist who was assassinated in 1963.
In some instances, airports retain their former names, even when they are no longer operational. For example, William R. Fairchild International Airport uses the code CLM, derived from its former name of Clallam County Municipal Landing Field. Similarly, Chicago Executive Airport uses the code PWK, reflecting its previous name of Palwaukee Municipal Airport.
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Frequently asked questions
A port of entry is a geographical area under the jurisdiction of a port director. This can include several border crossings, as well as air and sea ports.
Yes, an airport can be a port of entry. Airports of entry can be large urban airports with heavy scheduled passenger service or small rural airports serving general aviation exclusively.
Land borders refer to crossings at borders on land/by car, while airport borders refer to international airport travels.
Yes, you may need a specific document to cross a land border. For example, in the U.S., if you have a Ready Lane-eligible document, you can experience faster processing when entering through a land border.






















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