An Elizabethton Man Involved In A Plane Crash In Polk County Florida Remains In Critical Condition Along With Another Man. 77 Year Old John “Jack” Hamilton Of Elizabethton And 22 Year Old Landen MacFarland Of Stewart Florida Were On Board The Two Seater 1946 Yellow Piper Seaplane When It Went Down. Both Men Are Listed In Critical Condition. The FAA And NTSB Are Investigating The Crash.