The aircraft was “performing aerial reconnaissance and command and control over the fire” when the accident happened around noon (3 p.m. ET) Saturday, BLM Arizona said Saturday.
“Two crew members were on board and we are sad to report there were no survivors,” the statement said.
The names of the two people killed have not been released, pending notification of relatives, the agency said.
The Bureau of Land Management Arizona and local, state and federal agencies responded to the accident.
The cause of the accident was not immediately clear.