From CFR 14 Part 91.125
Steady red
On the Ground:
Stop
In the Air:
Give way to other aircraft and continue circling.
Flashing red
On the Ground:
Taxi clear of runway in use
In the Air:
Airport unsafe-do not land.
Exercise extreme caution.
How can you calculate height of airport traffic control tower?
The world's tallest control tower is located at the Suvarnabhumi Airport in Bangkok, Thailand. Standing at a height of 434 feet (132 meters), the tower provides air traffic control services for the airport and its surroundings.
Luton's control tower is 157ft tall (just under 48m).
If your aircraft is on the ground, a steady red light from the control tower light gun means STOP. If you are airborne, a steady red light means to give way to other aircraft, and continue circling.
ATC (Airport Traffic Control Tower)
Traffic control tower airport in question.
Around 142m
primary airport''s control tower.
If the cell is an airport, the nucleolus would be equivalent to the air traffic control tower. The nucleolus, like the air traffic control tower, is responsible for coordinating and organizing activities within the cell, particularly related to the synthesis of ribosomes, similar to how the air traffic control tower manages the movement of planes within the airport's airspace.
A control tower, as the name suggests, is an air traffic control tower in more specific terms. Located in airports, a control tower is the connection between the pilot of the plane and the airport staff. Control towers are usually high above ground and have windows that are tilted out all around the room so that they can get a clear view of the planes in the airport in order to direct them around. Without the control tower, airport staff would not be able to send signals to the pilots and the airport will not be able to function at all as the planes would not know when and where to take off and land, park, move around and so on.
four main areas are terminal building airport information systems flight planning and control and control tower