Original audiotape recording includes taped conversations on President Kennedy's official airplane, "Air Force One," during its flight following his assassination on November 22, 1963. The conversations were between pilots and other individuals on the flight and various individuals in Washington, DC, on the flight back from Dallas, TX, to Andrews Air Force Base.  https://mcadams.posc.mu.edu/russ/jfkinfo3/reports/af1trans.htm