The Federal Aviation Administration and the National Transportation Safety Board are investigating a helicopter crash that killed two Mayo Clinic employees in Florida. The Star Tribune reports the two Jacksonville hospital employees were flying to the University of Florida Monday to retrieve organs. A spokeswoman with the FAA says neither the employees nor the pilot survived after crashing northeast of Palatka, Florida.

Chief Warrant Officer Two Lucas Sigfrid was a Champlin Park High School graduate who attended St. Cloud State University before joining the Army. He was one of four soldiers killed when two helicopters crashed on a training mission at a base in Washington state.

Jeff Luptak, who was was in good humor when he arrived for emergency surgery in St. Paul, told doctors he was worried more about his hat than his head. A nurse told him after surgery, "You're the luckiest unlucky guy I've seen."

A widely known developer and businessman from Hackensack, 56-year-old John Zacher, died after his helicopter went down in Ten Mile Lake in Cass County on Thanksgiving Day. His wife swam to shore and called 911.

Andy Gabrielson survived deadly storms for more than 10 years, but he was killed Saturday afternoon by a wrong-way driver along an Oklahoma Interstate. The 24-year-old lived in Luverne, Minnesota and stayed in Oklahoma City during the severe weather season. MSNBC reports Gabrielson frequently helped with severe weather coverage on the The Weather Channel and was also featured on NBC's "Dateline." Gabrielson leaves behind a 3-year-old daughter.

Low graduation rates and poor student satisfaction among transfer students means the University of Minnesota will begin accepting fewer undergraduate transfers. The school plans for transfer students to make up 33 percent of their student population.