Airline teletype system

The Airline Teletype System, often referred to as Teletype or simply TTY, was an early communication method used within the airline industry for transmitting information. It relied on teleprinter machines that would send and receive typed messages over telephone lines. ### Key Features: 1. **Communication**: The system enabled airlines, travel agents, and other stakeholders to send and receive flight schedules, ticketing information, passenger details, and other operational data rapidly.