CRESTLINE, Calif. (AP) _ A Navy helicopter crashed in the rugged mountains near this resort community Friday, killing all five crewmembers aboard.

The Navy SH-60B was on a routine training mission from the North Island U.S. Naval Air Station west of San Diego to Las Vegas when air traffic controllers lost contact with it about 2 p.m. The wreckage was found five hours later, Navy Lt. j.g. Charlie Brown said.

The bodies were found at the 5,000-foot level of the San Bernardino Mountains, about 65 miles east of Los Angeles, said Cindy Beavers, spokeswoman for the San Bernardino County Sheriff's Department.

Local authorities said they would not move the bodies or the wreckage.

``The site is now being left to the Navy for a military investigation,'' Ms. Beavers said.

The helicopter is a multipurpose aircraft that deploys from destroyers and cruisers, but there were no weapons aboard the aircraft, Brown said.

The crash came less than three weeks after five Navy servicemen were killed when their Huey helicopter crashed during a training exercise in remote Kern River Canyon near Johnsondale, Calif.

The helicopter clipped power lines, but it was unknown if that was the cause of the Feb. 18 crash.