The National Transportation Safety Board is investigating the cause of the crash . Three people were aboard a single - engine Piper that crashed into the Mississippi River . ` ` It 's freezing , '' man tells the operator as he and his partner get out . ` ` We were glad to get there quick , '' detective says of water rescue . Pair were taken to a medical facility for minor injuries .
Three people were aboard a single - engine Piper that crashed into the Mississippi River . ` ` It 's freezing , '' man tells the operator as he and his partner get out . ` ` We were glad to get there quick , '' detective says of water rescue . Pair were taken to a medical facility for minor injuries .