What does a flashing green light gun signal indicate?

A flashing green light gun signal indicates that a vehicle or aircraft is cleared for taxi. This signal is crucial for maintaining safe operations around the airport, as it provides clear communication between ground control and drivers or pilots. When you receive a flashing green light, it signifies that you can proceed with the intended movement, enhancing the flow of traffic on taxiways and reducing the risk of collisions.

The importance of this signal lies in its role in orchestrating the movements of various vehicles and aircraft in busy environments like O'Hare Airport. Proper acknowledgment of this signal is essential for efficiency and safety on the ramp and taxiways. Understanding the meaning of this signal is vital for anyone participating in airport operations, particularly those involved in towing or maneuvering vehicles on the ground.