Black box. Nowadays, it is in every plane. But for some reason we hear about him more often in those cases when a plane crash occurs.
What is it like?
A black box is not a box at all in its literal sense of the word. This is special flight recorderwhich records a series of indications during the flight.
So, instrument readings, conversations of pilots, all sounds in the cabin are recorded.
The data obtained by this device is used to assess the behavior of pilots and to analyze the operability of equipment. An increased interest in him is shown during the investigation of air crashes.
What color is it really?
Not everyone knows that the item is actually not black, but orange or red. In the event of an airplane crash, it is easier to find a bright object.
The box is not made square. Usually it is made in the form of a cylinder. This helps him not to be damaged during a collision with a hard surface.
Where is it located?
Often, a recorder set in the tail of the aircraft. It is believed that during air crashes, it is least damaged.
But, in modern aircraft more than 1 recorder can be used, and they can be located in different parts of the aircraft.
Why is a black box always found?
In the event of a plane crash, the first thing they will try to find a black box.
But how does he manage to survive after serious air crashes?
The fact is that it is made of titanium or high-strength steel.
The requirements for the manufacture of such a device are very high.
So, he must withstand at least 30 minutes of burningas well as no less 1 month storage under water at 6 km depth.
What else helps to find it, except for a bright color?
It is installed on the device ultrasonic beacon. This makes it easier to find if the recorder is in the water.
Additionally, light and radio beacons are installed on the body.
So that the lighthouses can work for a long time, special batteries are installed. They are not activated during the flight. Only in the event of a severe blow, the battery batteries are activated.
Tell me, did you know that the black box is not black at all?
