Black box investigation centre answers

Here are the answers to last Friday’s video, enjoy!

Suggested ICAO level for video: 5+

1. Three in total, the one in the video and two others.
2. It’s magnetically sealed so that people can’t listen to what’s happening inside the room.
3. The circuit board with the recordings on it.
4. They use four speakers to recreate the situation in the cockpit as closely as possible.
5. Only the crew and the accident investigators can listen to the recordings.
6. They listen for sounds in the background, the engines for example, to get extra information about what was happening.
7. They are put in the drying cabinet to dry the circuits so that they will work properly.