The National Transportation Safety Board Has Determined What Caused A Fatal Private Jet Crash In 2023. The Aircraft Departed From Elizabethton Municipal Airport Before Eventually Crashing In Virginia After Straying Into Washington D.C. Airspace. The Ntsb’s Final Report Revealed That Pilot Incapacitation Due To Loss Of Cabin Pressure Led To The Crash Of A Cessna Citation 560 V That Killed The Pilot And Three Passengers. While The Exact Cause Of The Pressure Loss Remains Undetermined, The Report Indicates The Pilots And Passengers Likely Became Hypoxic From Lack Of Oxygen During Flight.