1 Dead in Oklahoma Medical Helicopter Crash

— -- One person died after a medical helicopter crashed in Oklahoma Thursday, authorities said.

The helicopter, which was registered to Eagle Med LLC, crashed under unknown circumstances at 11:25 p.m. near Eufaula, Oklahoma, Federal Aviation Administration spokesman Lynn Lunsford said.

Three Eagle Med employees, but no patients, were on board. One person died in the crash, while a female passenger was transported to an area hospital, according to the McIntosh County Sheriff's Office. A third person was able to walk away. The dead person’ identity has not been released.

The helicopter was headed to McAlester, Oklahoma, from Tulsa.

FAA investigators are headed to the scene, and the National Transportation Safety Board has been notified and will lead the investigation.

This is the fourth fatal Eagle Med helicopter crash in Oklahoma since 2010, according to the NTSB’s Aviation Database. One of these crashes, in June 2013, happened on takeoff.