An Air Force C-130J assigned to the 774th Expeditionary Airlift Squadron, part of the 455th Air Expeditionary Wing, crashed at approximately 12:19 am at Jalalabad Airfield, a Pentagon statement said.
The crew of six US service members and five civilian passengers died in the crash, it said.
There was no immediate indication why the plane might have crashed. "The cause of the accident is currently under investigation. More information will be released as it is gathered," the Pentagon said.
The C-130 Hercules is a cargo plane built by Lockheed Martin. It is powered by four turboprop engines and is used extensively by the military to ship troops and heavy gear.