The Adoration of the Magi, Although he did not finish it because the Duke of Milan offered him a better job.
No, he did not.
No, there is no big church conspiracy as far a Leonardo da Vinci is concerned.
To make a living.
Leonardo da Vinci did not actually 'make' a helicopter, he just drew his concept of it.
Leonardo did not make them, he imagined them and drew them around 1500.
Yes he did plan it
because
In 1496!
No but he made the glider.
About 1495.
yes da vinci did make water skis
Da Vinci made the glider out of feathers and animal skins