What is the main frequency for EFTA Tower?

The main frequency for EFTA Tower is correctly identified as 118.775 MHz. This frequency is used primarily for air traffic control communications at that specific facility, facilitating safe and efficient air traffic management in the surrounding airspace.

In the context of air traffic control operations, each facility is assigned a specific frequency to maintain clear and direct communication with pilots. This helps in coordinating takeoffs, landings, and flight paths. The choice of 118.775 MHz indicates its particular importance for ground operations in complex air traffic environments such as those surrounding major airports.

Other frequencies listed are used for various purposes, either by different air traffic facilities or for different types of communications, and they would not be appropriate for communications with or through EFTA Tower specifically. The assignment of frequencies is crucial for avoiding interference and ensuring that pilots can rely on clear instructions from air traffic controllers.