Engines are cheating. Good pilots don’t need one :)
Joke aside, while having an engine is comfortable, no need to wait for hours for the right moment, no need to struggle to stay in the air, it removes a huge part of the fun which is staying in the air and gain altitude.
Be ready to talk about anything mentioned in your CV.
HR may-want to evaluate whether you’re fluent in English by having some small talk about your hobbies, a hiring manager may also be passionate about basket-ball and looking for a new member in the corporate team. Also, in some case, hobbies may even make some link with the position you look for, let’s say that you’re responsiblity involve giving training, an amateur acting experience shows you won’t be afraid talking in front of 20 persons