New Delhi, June 15 -- A plane carrying a pilot and 11 passengers on a skydiving outing in Missouri crashed in a field and was engulfed in flames Sunday, killing all aboard, authorities said.

The crash happened shortly after the plane took off from a local airport around 11:30 a.m., and some of the occupants' family members witnessed the crash, said Bates County Sheriff Chad Anderson.

A heap of blue and silver mangled metal lay in the grass near Butler Memorial Airport with a massive lineup of emergency vehicles gathered on a nearby street. Clergy and volunteers went to the site to assist relatives, Anderson said, and officials were working Sunday afternoon to identify all victims and notify their next of kin.

Officials with the Federal...