Yes, there would be many improvements upon inventions from previous generations. Here are two notable ones in my opinion (and there are definitely more that could be listed). Turbojet and turbofan engine. read more
Aircraft were starting to become limited by piston engines; driving a propeller with an engine starts to become very inefficient at high speeds. As the blades approach the speed of sound, the efficiency decreases, requiring a new solution of propulsion. read more
That would be stretching it too far. But the bicycle lead to the development of several light weight components whose technologies could be used in building aeroplanes. read more
Airplanes revolutionized transportation. The original use for the airplane was in mail transportation. Early mail routes were extremely successful, and lead to passenger transportation. In just over 100 years, we can travel halfway around the world in a matter of hours. The airline industry itself plays a major role in the world economy. read more