Cockpit Voice Recorder
Full Form of CVR
What is CVR?
A Cockpit Voice Recorder (CVR) is a flight recorder that captures audio from the cockpit, including pilot conversations, radio communications, alarms, and environmental sounds. In India, the Directorate General of Civil Aviation (DGCA) mandates that all commercial aircraft with a maximum take-off mass over 5,700 kg must be fitted with a CVR that can retain at least the last two hours of audio. The device is typically mounted in the tail of the aircraft for maximum survivability during a crash. CVR data is used by accident investigation agencies, such as India's Aircraft Accident Investigation Bureau (AAIB), to reconstruct the sequence of events leading to an incident or accident. The recorders are protected by robust casings designed to withstand extreme impact, fire, and water pressure. CVRs are activated automatically when the aircraft engines are started and continue recording until shutdown. In exam contexts, questions about CVRs often appear in aviation-related subjects like Air Navigation, DGCA licensing exams, and general knowledge sections of competitive exams such as UPSC or SSC where transport safety is covered. Understanding the role of CVRs reinforces the importance of safety protocols in aviation and contributes to improving flight safety standards globally.
CVR का फुल फॉर्म
कॉकपिट वॉयस रिकॉर्डर
Example
The DGCA issued a new regulation requiring all scheduled airlines in India to upgrade their CVR systems to ensure at least 25 hours of recording capacity.