A United Airlines flight from Hong Kong to Los Angeles made an unscheduled stop in Honolulu yesterday morning after a female passenger died aboard the aircraft, officials said.

The Honolulu medical examiner's office identified the woman as Hung Thi Thu Quach, 57, of Vietnam.

There was no immediate statement on the cause of death.

Personnel aboard United Flight 862 reported an unresponsive passenger and received permission to land at Honolulu International Airport. The woman was pronounced dead upon arrival.

The FBI and state sheriff's division were investigating.