Brian Hayes, 35. (Anaheim Police Department)

Brian Hayes, 35. (Anaheim Police Department)

WINSLOW, Ariz. (KTLA) -- Two local police officers were killed Sunday when their single-engine airplane crashed at an airport outside Flagstaff, Arizona.

A small plane carrying Brian Hayes, an Anaheim police officer, and his girlfriend, Nicole Anderson, a Simi Valley police officer, crashed during take off from the Winslow-Lindbergh Regional Airport around 10:10 a.m. Sunday.

The Mooney M20F aircraft landed upside down at the end of the runway, killing Hayes and Anderson instantly, according to a statement from Sgt. Rick Martinez of the Anaheim Police Department.

A witness told the Arizona Republic that the plane was rocking back and forth before flipping upside down.

Family members said the couple was returning from visiting Anderson's family in Colorado.

Hayes, 35, originally a police cadet in Garden Grove, was hired by the Anaheim Police Department in 1999 as a patrol officer. He had been licensed as a private pilot since 2003, according to FAA records.

Anderson, 32, was a full-time police officer with the Simi Valley Police Department since 2003.

Funeral arrangements are pending.