During a local parachute jump flight, the airplane was unable to gain enough altitude to clear rising terrain. The airplane collided with a tree and eventually the terrain. There were no reported mechanical failures or malfunctions. The acft handbook lists 2307 lbs as max gto wt. The acc acft weighed 2280 lbs. The cg was in the rear third of the envelope at aprx 103.35. The da was aprx 6200 ft.