A WITNESS TO THE ACCIDENT STATED THAT 'THE AIRPLANE TOOK OFF IN A VERY NOSE HIGH ATTITUDE, QUIT FLYING, AND FELL TO THE GROUND.' THEN THE AIRPLANE WENT OFF THE LEFT SIDE OF THE RUNWAY AND CRASHED INTO A LARGE DITCH. THE UNLICENSED PILOT SAID HE COULD NOT REMEMBER EXACTLY WHAT HAPPENED. THE PILOT SAID HE HAD NEVER HAD ANY OFFICIAL FLIGHT INSTRUCTION, BUT HAD FLOWN THREE TIMES WITH A FRIEND DURING THE PREVIOUS YEAR. THE PILOT ALSO SAID THIS WAS HIS SECOND SOLO FLIGHT.