What is required to enter Class C airspace?

To enter Class C airspace, it is essential to establish two-way radio communication with Air Traffic Control (ATC). This requirement ensures that pilots can communicate with ATC for traffic advisories and necessary instructions to maintain safety in areas where there is more air traffic and increased management by control towers.

Class C airspace typically surrounds busy airports, which manage a substantial volume of aircraft. By requiring two-way radio contact, ATC can provide relevant information, clearances, and guidance to pilots, and in return, pilots can report their positions, comply with ATC instructions, and maintain situational awareness. This communication is vital for the safe and efficient operation of aircraft in this airspace, as it helps to prevent conflicts and manage the flow of air traffic.

Although options like a flight plan approval, supplemental oxygen, and special flight certification might be necessary for different flight scenarios or airspace classifications, they are not prerequisites for entering Class C airspace. The focus in this environment is primarily on communication with ATC to ensure safety.