The term that you are looking for is called Customs Transit. Mostly done in a form of a Customs Seal applied in the country of origin and checked by the customs of the country in transit during transport to a country where it is allowed and where it is then unsealed.
Not common for individual travel in most cases, but a legal method to transport an object ...
I've flown within the USA, to the US from Canada and Europe, and all over Europe without issues. Here are a few tips:
Many airlines now have a drone specific page on their website -
search using something like "can I take my drone on British Airways"
to find it. Print this page and take it with you when you fly.
There are likely to be limits on the amount ...
After a month of flying in the coldest places on Earth I must say that flying is not a problem outside of the cities.
Most places in Russia are far abandoned, so seeing any authorities is almost impossible.
However, once you encounter with police, they will most likely make you troubles since you might look like spy.
Good knowledge of Russian language and ...