It's fine to hug the ground. Simply place the engines elsewhere, as was done on the 717. Like so: https://en.wikipedia.org/wiki/Boeing_717 https://en.wikipedia.

It's fine to hug the ground. Simply place the engines elsewhere, as was done on the 717. Like so: https://en.wikipedia.org/wiki/Boeing_717 https://en.wikipedia.org/wiki/Boeing_717 Another option is to high-mount the wing.