How big does my hangar need to be? Follow The size of your hangar would depend directly on the size of your aircraft. Check out this infographic to see different plane models along with the suggested hangar sizes for each model. Related articles Should I get a carport or a garage for my RV? Can you get a mortgage on a Barndominium? Can I see the dimensions of my building on my land to scale? What kind of doors and windows are available? Comments 0 comments Please sign in to leave a comment.