The officials has confirmed that a tour helicopter crashed into a Hawaiian residential neighbourhood and burst into flames, killing all three people onboard.
No bystanders were injured in the fiery crash in Kailua, a popular tourist destination located about 12 miles (19km) outside of Honolulu.
Emergency officials were nearby responding to another call when the crash happened.
Just this April, it is the second tourist helicopter in Hawaii to crash.
Witness Tehani Alo told KGMB-TV that she saw the helicopter spinning out of control before it crashed and burst into flames.
“It sounded like hell landing,” she said.
The four-seat Robinson R44 helicopter was owned by tour company Novictor Helicopters, which said in a statement that is working with federal officials on the investigation.