Did You Know About Black Box ?

Black box is a device which records the cock pit voices and some other functions of the air craft like the engine speed and the altitude etc.  Black box is usually orange in colour not in black

The black box is a generic term for two recording devices carried aboard commercial airliners. it is very hard substance made of hardened steel and titanium. The Flight Data Recorder records a variety of parameters related to the operation and flight characteristics of the plane.

The Cockpit Voice Recorder recors the voices of the flight crew, engine noise and any other sounds in the cockpit. All large commercial airliners and certain varieties of smaller commercial, corporate, and private aircraft are required by law to carry one or both of these boxes, which generally cost between $10,000 and $15,000 a piece.

The data these devices provide is often invaluable to experts investigating the events leading up to an accident. The Recovery of the boxes is one of the highest priorities in any mishap investigation, second only to locationg survivors or recovering the remains of victims, and to indentify potential maintenance issues.