Curry explains the three primary navigation systems used in aviation: Non-Directional Beacons (NDB), VHF Omni-Directional Range (VOR), and modern GPS. Dvorak then describes his experience flying on the Soviet-era Aeroflot airline, specifically the Illyushin Il-62. He recalls the cramped conditions and the minimal difference between coach and first class, which often consisted only of a few inches of extra legroom and a curtain.
