DRG TAKEOFF FROM RWY 13, THE L ENG LOST PWR AFTER THE ACFT HAD CLIMBED TO ABOUT 200' AGL & ACCELLERATED TO APRX 125 KTS WITH THE GEAR & FLAPS RETRACTED. THE PLT ABORTED THE TAKEOFF & TURNED THE ACFT TO LAND ON RWY 9. HOWEVER, IT TOUCHED DWNIN THE GRASS AFTER PASSING THE INTX OF RWYS 9 & 13, HEADING APRX 110 DEG. AFTER LANDING, THE ACFT CONTINUED ACROSS A TAXIWAY. SHORTLY THEREAFTER, THE NOSE GEAR FAILED, THE ACFT NOSED DWN & BOTH PROPS STRUCK THE GND. THE R ENG MOUNTS FAILED, & RPRTDLY, THE ACFT LUNGED AS THE R ENG FOLDED UNDER THE WING. A PAX, WHOSE SEAT BELT WAS LOOSE, WAS THROWN FROMHER SEAT & WAS INJURED. WATER & PRODUCES OF CORROSION WERE FND IN THE L AUX FUEL TANK & IN THE LINES & STRAINER FOR THE L ENG. AN EXAM OF THE COMPANY CREW TRAINING RECORDS & ACFT MAINT RECORDS REVEALED NUMEROUS OMISSIONS, IMPROPER ENTRIES &FAILURE TO DOCUMENT PURPORTED MAINT. THESE ERRORS HAD OCCURRED PRIOR TO & CONTINUED AFTER THE FAA HAD APPROVED ISSUANCE OF AN AIR CARRIER OPERATIONS CERTIFICATE FOR THE COMPANY. THE PAX'S RPRTD THERE WAS NO PREFLT PAX BRIEFING BFR TAKEOFF.