How can you eliminate the fuzzy/static background noises after saving a video from movie maker?

So, I'm getting an airplane video on YouTube, so I do some editing on the video, without affecting the audio, and then I save it. Right after that, I preview it, and I notice some fuzzy/static-like background noises when the airplane engine is running and I just want to know how that can be avoided. Any tips/suggestions would be greatly appreciated.