You cant. They tried, they failed.
There were many failures throughout the years. A failure can include someone trying to build one and failed to get it to work.
A single person can build an airplane.
he build a airplane for eaiser transportation! he build a airplane for eaiser transportation!
Robert Fulton had many failures before his creation of the steamboat. He attempted to be an artist, build a submarine and construct a canal; all of which failed.
no
Companies that build airplanes
Knowledge is power
So they can travel.
ME AND YOU AND THE MONKEY TO!
Their first fully practical airplane was built in 1905. (Their first powered, sustained and controlled airplane was built in 1903.)
One single person can build an airplane or you can have a group of companies with their workers make individual components to make a single airplane.