When should departure control frequency and beacon code be issued?

• A. During taxiing
• B. Before takeoff
• C. After landing
• D. While in the air

Answer: (B)

Issuing the departure control frequency and beacon code before takeoff is essential for several reasons. This timing allows pilots to be prepared for the transition from ground operations to airborne activities. By providing this information before takeoff, it ensures that pilots have everything they need for a smooth departure, including establishing contact with departure control once they are in the air.

Additionally, this protocol helps in managing air traffic effectively. Pilots are advised about departure frequencies so they can switch when they become airborne, allowing air traffic controllers to monitor and manage the aircraft’s flight path as soon as it leaves the runway. It's a part of the standard communication procedures that enhance safety and efficiency during flight operations.

This approach contrasts with other moments like during taxiing or while in the air; that would not ensure pilots have the necessary information at the critical moment of takeoff. Similarly, after landing would not be logical, as the aircraft would no longer require departure frequencies or codes.