Narrative:

Engine was started to taxi out for ground runup (magneto check, propeller, etc). Intercom was not working and with pilot's head down trying to determine problem with intercom, aircraft started rolling. Because of attention to repair intercom, pilot unaware that plane is rolling until it collided with twin engine aircraft parked nearby. Brakes had been applied but due to attention to intercom, brakes were inadvertently released, allowing the aircraft to roll.

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Original NASA ASRS Text

Title: PLT TAXIED INTO ANOTHER ACFT.

Narrative: ENG WAS STARTED TO TAXI OUT FOR GND RUNUP (MAGNETO CHK, PROP, ETC). INTERCOM WAS NOT WORKING AND WITH PLT'S HEAD DOWN TRYING TO DETERMINE PROB WITH INTERCOM, ACFT STARTED ROLLING. BECAUSE OF ATTN TO REPAIR INTERCOM, PLT UNAWARE THAT PLANE IS ROLLING UNTIL IT COLLIDED WITH TWIN ENG ACFT PARKED NEARBY. BRAKES HAD BEEN APPLIED BUT DUE TO ATTN TO INTERCOM, BRAKES WERE INADVERTENTLY RELEASED, ALLOWING THE ACFT TO ROLL.

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.