The number of aircraft in each country will depend on the military capabilities of that country. Some countries will have thousands of aircraft while others will have just a few.
They don't. Each country uses a different letter for their aircraft registration. All aircraft owned and registered in the US uses the "N" prefix.Canada aircraft are registered with a "G".
There are 4 bladed engines on each aircraft.
The company that manufactures the Airbus series of planes has its headquarters in France. However - the parts that are used to make each aircraft are manufactured in many other countries.
In a war, that is aircraft owned by the country you are fighting against.
This depends on which country you are in.
There was no one main airplane. Each country developed a number of airplanes throughout the war.
Very hard to calculate, since each country record flights in different ways, especially light aircraft. Probably millions.
There do not have the same number in each country
The Air Authorities of the country the aircraft is in
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Typically, an aircraft carrier is home to close to 5,000 people. This includes ship's crew and air wing personnel.
Any aircraft flown by opposition forces was the enemy aircraft. Without knowing which country you are refering to, it is not possible to list the airplanes.