BERNICE, Okla. (AP) – The Oklahoma Highway Patrol says a Missouri man has died in a motorcycle crash in northeastern Oklahoma.

Authorities say the wreck occurred Sunday afternoon on State Highway 125 in Delaware County. According to a preliminary report, 51-year-old Raymond Hilsabeck of Seneca, Missouri, died after losing control of his motorcycle while negotiating a curve.

The highway patrol says Hilsabeck was pronounced dead at the scene. The report says Hilsabeck was not wearing a helmet