THE AIRCRAFT STALLED AT LOW ALTITUDE AND CRASHED DURING TAKEOFF. THE PILOT STATED THAT 'DURING THE TAKEOFF ROLL THE LEFTSKI STUCK IN THE SNOW AND TURNED THE AIRCRAFT 45 DEGREES TO THE LEFT. INSTEAD OF STOPPING, I CONTINUED ON'. THE PILOT SAID THAT THE SKI HAD STUCK IN THE SNOW SEVERAL OTHER TIMES AND GROUND PERSONNEL USUALLY HELPED HIM PIVOT THE ACFT BACK IN THE DIRECTION OF TAKEOFF. THIS TIME, GROUND PERSONNEL DID NOT PARTICIPATE DUE TO THE LATE HOUR AND THE LONG DISTANCE TO THE ACFT. THE PILOT AFTER PIVOTING HIT A COUPLE OF SNOWDRIFTS BEFORE BECOMING AIRBORNE. HE STATED THAT HE HAD REACHEDA MAXIMUM ALTITUDE OF ABOUT 50 FEET AT WHICH TIME THE WING STOPPED FLYING, THE ACFT ROLLED LEFT AND CRASHED. THE WIND WAS FROM THE WEST AT 10 KTS, GUSTING TO 15 KTS. THE PILOT WAS TAKING OFF TO THE SOUTH BEFORE THE 45 DEGREE PIVOT TO THE LEFT.