• The Need for Reform
  • A Visionary Reforms the Airline Industry
• Cross-Country by Air and Rail
• Aviation Becomes Big Business
• The Air Mail "Scandal"
• The Triumph of Technology
  • The NACA and the Modern Airliner
  • Results: NACA Contributions
  • What Makes an Airliner "Modern"?
• The Creation of the Modern Airport
  • Yesterday's Airports of Tomorrow
• The Beginning of Air Traffic Control
• Early Pilot and Flight Attendant Uniforms
• What Was It Like to Fly?
• Who Flew?
• Pan American Airways
  • The China Clipper
  • Aircraft

Pan Am Sikorsky S-40 with passengers boarding

With 38 seats and a crew of six, the Sikorsky S-40 flying boat was the largest U.S. airliner of its time.

Image number 2000-6129
Credit: National Air and Space Museum Archives

Return to previous page