For years, passengers have received the same indication before takeoff: put their phones in plane mode. But, What really happens if someone decides to ignore this warning and leaves their device on with mobile connection during the flight?
Actually, There is no immediate risk that the plane crashes if someone forgets to activate the airplane mode. Modern aircraft are designed to support a variety of electronic interference. However, there are technical and practical reasons why this standard is still in force.
Interference with navigation and communication systems
Mobile phones emit radio signals that, in theory, They could interfere with the navigation or communication systems of the aircraftespecially during takeoff and landing, which are the most delicate phases of the flight. Although the risk is low, airlines and aviation authorities prefer to maintain a wide security margin.
In simple words, A single phone probably does not cause a problem, but hundreds of devices looking for signal simultaneously can generate a kind of “electronic noise” which could affect communications between pilots and the control tower.
Constant signal search
When a plane is at great altitude, mobile phones cannot easily connect to telecommunications towers on land. If they are not in airplane mode, they will continue looking for a connection, which not only exhausts the battery quickly, but also generates multiple connection attempts that can saturate mobile networks on land.
In addition, on international flights, phones can try to change the network constantly, which can generate unexpected costs or affect its subsequent operation.
Evolution Standards
The regulations around the use of electronic devices on board has changed in recent years. It is already common to be able to use Wi-Fi in the air or connect to internal networks of the plane. However, these networks are designed not to interfere with navigation systems.
Some airlines They are even exploring to allow the limited use of mobile networks on flights, through specific systems that avoid conflicts with terrestrial networks.
Do not use the airplane mode will probably not cause a catastrophe, but it can generate interference and technical complications that affect the safety and flight experience. Therefore, activating the airplane mode remains a necessary measure, not only out of respect for the standards, but also as part of an air security culture that protects everyone on board.