Question

What was first used in WWI that required pilots to be trained?

Answer 1

Answer:

It's estimated that nearly 90 percent of American pilots trained in a Jenny during WWI. Preliminary flight school included 4-10 hours of dual training (with an instructor), 24 hours solo, and a 16-hour cross-country flight.

Explanation:

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Answer 2

The Fokker Eindecker airplane.
In world war 1 they needed to train pilots to fly planes