Airline Transport Pilot Written Knowledge Practice Test

To enter Class B airspace, a pilot must obtain an ATC clearance. Class B airspace surrounds the busiest airports and is designed to manage the high volume of air traffic in and around those areas. The requirement for an ATC clearance ensures that all aircraft entering the airspace are accounted for, and it allows air traffic controllers to maintain safe separation between various aircraft operating at different altitudes and routes.

The clearance process involves the pilot communicating with ATC to receive approval for entry into the Class B airspace, which includes specific instructions such as altitude and routing. This helps prevent potential conflicts and enhances safety within the highly congested airspace.

While other options like a flight plan and a transponder code may be relevant to flight operations in general, they are not prerequisites for entering Class B airspace. Additionally, insurance verification is unrelated to the operational procedures involving airspace classification.