When flying to Europe, you go through customs at the first airport you arrive at in the European Union.
Yes, passengers flying within Europe may have to go through customs depending on the country they are traveling to and from. It is important to check the specific customs requirements of each country before traveling.
Yes.
When flying back to Canada from Nicaragua via the US, you will clear customs in the US at your first point of entry. This typically occurs at the airport where you land in the US before your connecting flight to Canada. You will go through U.S. Customs and Border Protection, where you will present your passport and any required documents. After clearing customs in the US, you can continue on to Canada, where you will go through Canadian customs upon arrival.
If you disembark your plane; yes.
After you land, on your port of destination.
Yes, travelers flying from Puerto Rico to the mainland United States are not required to go through customs as Puerto Rico is a U.S. territory.
No, you do not, but you will on entering Hong Kong.
Depends which country you are flying out of but generally not, these are on a record for when your passport goes through customs before you fly
Yes you are still not an eu citizan
I imagine when you land you'll have to go through customs like most people who enter another country.
Flying from the US to Europe, you could arrive the same day or the next day. Flying from Europe to the US, you could arrive the same day or the previous day.