passage: Hurlburt Field , Florida ( CNN ) -- An Air Force CV-22 Osprey crashed Wednesday during a routine training mission north of Navarre , Florida , injuring five crew members aboard , a military official said .
  The crash occurred about 6:45 p.m.
  at Hurlburt Field 's Eglin Range , said Amy Nicholson , chief of public affairs at the airfield .
  The five injured crew members were taken to an area hospital , Nicholson said .
  The extent of their injuries was not immediately known .
  The cause of the accident is under investigation , she said .
  The Osprey was assigned to the 1st Special Operations Wing , the Air Force said .
  The tilt - rotor aircraft can fly like an airplane and land like a helicopter .
  The Army began developing the Osprey in 1982 , though the program was nearly scrapped in 1989 when then - Secretary of Defense Dick Cheney sought to cancel it because of ballooning costs .
  Questions were raised about the safety of the Osprey after two crashes , including one in 1992 at a Marine Corps air base in Virginia that killed the crew .
  In late 2000 , the Marine Corps grounded the Osprey fleet after two crashes -- one in Arizona that killed four crew members and 15 passengers , and another in North Carolina that killed the crew .
  A redesign was ordered on the Osprey , and it resumed flights in 2002 .
  The Air Force began using Ospreys in 2008 after testing the aircraft in 2006 .
  They were first deployed by the Marines in Iraq in 2007 after 18 years and $ 20 billion in development .
query_and_answer: What states has the Osprey crashed in ? || Any state
evidences: Hurlburt Field , Florida ( CNN ) -- An Air Force CV-22 Osprey crashed Wednesday during a routine training mission north of Navarre , Florida , injuring five crew members aboard , a military official said . Questions were raised about the safety of the Osprey after two crashes , including one in 1992 at a Marine Corps air base in Virginia that killed the crew . In late 2000 , the Marine Corps grounded the Osprey fleet after two crashes -- one in Arizona that killed four crew members and 15 passengers , and another in North Carolina that killed the crew .