What I like about is gliders is the simplicity - it’s all seat of the pants, quite literally as when you find the thermal you’re looking for you can feel it in the seat of your pants. As far as the instrument panel you have the altimeter, a vario, and air speed indicator. To see if you’re flying straight, look at the string tied to the pitot tube. And in the trainers it’s all mechanical. They don’t even have a radio built in. The air force academy starts pilots out in gliders 
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