Narrative:

Airplane was parked on taxiway--fuel selector off, throttle in idle, left magnetic on. Because there was no reaction after the second time propping it, back to cockpit. Fuel selector on idle, mags checked opening the throttle 1 time and close it back to idle. This time the engine fired, but by the time I pulled the jacks off the wheels, the airplane started to move in high RPM. I tried to jump into the cockpit, but the blast of the propeller was so strong that the door pressure was too strong. The plane did 2 circles, hit a house wall and came to a stop! The house was not damaged, the plane has minor damages and the pilot only light injuries. Because the throttle was in idle position after the crash, we think that the carburetor is leaking. We haven't opened the engine yet, so there are no answers for that now.

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Original NASA ASRS Text

Title: PLT STARTING ACFT BY TURNING PROPELLER WITH NO ONE IN THE COCKPIT--ACFT STARTED AND MADE 2 GND LOOPS BEFORE STRIKING A HOUSE. MINOR DAMAGE TO ACFT, LIGHT INJURIES TO WOULD BE PLT.

Narrative: AIRPLANE WAS PARKED ON TXWY--FUEL SELECTOR OFF, THROTTLE IN IDLE, LEFT MAG ON. BECAUSE THERE WAS NO REACTION AFTER THE SECOND TIME PROPPING IT, BACK TO COCKPIT. FUEL SELECTOR ON IDLE, MAGS CHKED OPENING THE THROTTLE 1 TIME AND CLOSE IT BACK TO IDLE. THIS TIME THE ENG FIRED, BUT BY THE TIME I PULLED THE JACKS OFF THE WHEELS, THE AIRPLANE STARTED TO MOVE IN HIGH RPM. I TRIED TO JUMP INTO THE COCKPIT, BUT THE BLAST OF THE PROP WAS SO STRONG THAT THE DOOR PRESSURE WAS TOO STRONG. THE PLANE DID 2 CIRCLES, HIT A HOUSE WALL AND CAME TO A STOP! THE HOUSE WAS NOT DAMAGED, THE PLANE HAS MINOR DAMAGES AND THE PLT ONLY LIGHT INJURIES. BECAUSE THE THROTTLE WAS IN IDLE POS AFTER THE CRASH, WE THINK THAT THE CARB IS LEAKING. WE HAVEN'T OPENED THE ENG YET, SO THERE ARE NO ANSWERS FOR THAT NOW.

Data retrieved from NASA's ASRS site as of August 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.