The death of a flight attendant in a plane crash in California has prompted an international outcry, prompting an investigation into safety practices.
On Saturday, an emergency response team from the Federal Aviation Administration found a flight from Las Vegas to San Francisco had suffered engine trouble while in the air.
The FAA said the plane crashed in the mountains just before 11:30 p.m. local time.
A total of 16 people were on board, the agency said.
The National Transportation Safety Board said in a statement the flight crew had reported engine trouble when they attempted to take off.
It said the crew had to land to avoid colliding with another aircraft.
It said that the flight was not at fault, but a malfunction in the flight computer caused the crash, which resulted in the deaths of the crew and the plane.
A spokesperson for the NTSB, which is also responsible for investigating airplane crashes, said in the statement that investigators are still trying to determine what happened.
Read moreWhat caused the engine trouble was unclear, the spokesperson said.
The flight was on a flight route from Las Venegas to San Juan de Fuca in Puerto Rico, according to a website set up to track it.
An NTSB spokesperson declined to release the name of the flight company or the plane, which was registered to the same pilot, according in the same statement.