The Hamilton County Sheriff said a Life Flight medical helicopter made an emergency landing in a farm field early Thursday morning.The incident happened at 1:50 a.m. Hamilton County dispatchers received an emergency call for assistance from the flight crew. A crew member said the aircraft had struck a bird while in flight and it had broken out the windshield. All crew members were uninjured. Officials located the helicopter in the 3500 mile of Stagecoach road in a farm field.Sheriff’s Office officials said the helicopter is owned and operated by Air Methods, and based out of Trinity Regional Medical Center in Fort Dodge. They were returning to Fort Dodge after transferring a patient to Iowa City.The Hamilton County Sheriff’s Office was assisted at the scene by Stratford Fire Department.