tail-heavy

tail-heav·y

(tāl′hĕv′ē)adj. tail-heav·i·er, tail-heav·i·est Having too much weight at the rear, either from overloading or from poor design and construction: a tail-heavy cargo plane.

tail-heavy

adj (Aeronautics) (of an aircraft) having too much weight at the rear because of overloading or poor design