Narrative:

On engine start, #2 engine started. Aircraft moved forward and struck orange cone. Captain failed to remove cone from in front of aircraft. No visible damage to propeller and or engine. Aircraft was inspected and no damage was found. Captain failed to inform company officials about incident (immediately following incident). Captain flew on to other destination, then informed company. No injuries, no damage.

Google
 

Original NASA ASRS Text

Title: BE99 CREW HIT AN ORANGE CONE AFTER #2 ENG WAS STARTED, AND THE ACFT ROLLED FORWARD ON ITS OWN.

Narrative: ON ENG START, #2 ENG STARTED. ACFT MOVED FORWARD AND STRUCK ORANGE CONE. CAPT FAILED TO REMOVE CONE FROM IN FRONT OF ACFT. NO VISIBLE DAMAGE TO PROP AND OR ENG. ACFT WAS INSPECTED AND NO DAMAGE WAS FOUND. CAPT FAILED TO INFORM COMPANY OFFICIALS ABOUT INCIDENT (IMMEDIATELY FOLLOWING INCIDENT). CAPT FLEW ON TO OTHER DEST, THEN INFORMED COMPANY. NO INJURIES, NO DAMAGE.

Data retrieved from NASA's ASRS site as of July 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.