The plt stated that during the initial application of power, the left eng backfired due to a possible too sudden application of power. He said that due to ‘inattention’ he let the acft ‘drift to the left side of the runway.’ just after the acft became airborne it ‘immediately started a roll to the left,’ and despite ‘full right aileron and rudder,’the left wing scraped the ground. He rejected the takeoff and the acft groundlooped. The purpose of the flt was to transport parachutists.

Read the NTSB report…