Question

What is black box present in aeroplane?​

Answer 1

Explanation:

What is in a plane's black box?

The flight data recorder and cockpit voice recorder, or black boxes as they are often called, store data about planes. They can provide vital information in air accident investigations.

Answer 2

Explanation:

The "black box" is made up of two separate pieces of equipment: the flight data recorder (FDR) and a cockpit voice recorder (CVR). They are compulsory on any commercial flight or corporate jet, and are usually kept in the tail of an aircraft, where they are more likely to survive a crash.