WHEN ACFT IS NOT FUELED AS ORDERED; FUEL STARVATION CAUSES FORCED LNDG ON FARM.

Narrative

FLEW FROM GRIFFITH TO DAYTON IN 2.2 HRS. UPON ARR; TOLD FBO TO PUT IN 10 GAL OF 100 LL; AND PAID FOR GAS. BEFORE DEP BACK TO GRIFFITH; I PREFLTED THE PLANE; BUT DIDN'T FEEL ANY GAS AT THE TOP OF THE FILLER NECK. I ASSUMED THAT WAS BECAUSE I HAD ONLY REQUESTED 10 GAL; AND THAT IT WAS NOT QUITE 'TOPPED OFF'. I DID NOT VISUALLY CHK THE TANKS. UPON START-UP; THE FUEL GAUGES SHOWED ABOUT 5/8 FULL IN BOTH TANKS. I FIGURED THEY WERE JUST READING POORLY AS MANY SMA FUEL GAUGES DO. ABOUT 2 HRS INTO THE FLT; AND 5 MI FROM THE ARPT THE ENG QUIT AND WOULD NOT RESTART. I WAS AT 2000 FT MSL SO I HAD TO CHOOSE A LNDG SITE QUICKLY. AT THAT TIME THE R TANK SHOWED NEAR EMPTY AND THE L TANK SHOWED JUST UNDER 1/4 FULL. I LANDED IN A FARM FIELD; BUT THE PLANE SLIPPED JUST BEFORE STOPPING BECAUSE THE NOSE WHEEL DUG INTO THE SOFT DIRT. THERE WERE NO INJURIES TO ANYONE. THE PLANE WAS DAMAGED; BUT IS REPAIRABLE. LESSONS LEARNED: BETTER PREFLT (VISUAL CHK OF FUEL); AND TO TRUST THE FUEL GAUGES WHEN THEY START READING LOW. ALSO; NOT TO TRUST FBO; SINCE APPARENTLY THEY NEVER PUT GAS IN MY PLANE; EVEN THOUGH I PREPAID FOR IT!