Canopy Severance System (CSS): Why in the news?
India has its own canopy severance system (CSS) that has been developed by Armament Research and Development Establishment (ARDE), Pune, DRDO in association with High Energy Material Research Laboratory. It has been indigenously developed for LCA Tejas and Trainer Aircraft, HJT-36 and HTT-40.
What is a Canopy Severance System?
- Canopy Severance System is an escape path clearance system that is used by the pilots in case of emergencies happening while flying.
- It also provides a safe passage by pre weakening/ severing the canopy to facilitate the smooth escape of the pilot as soon as possible.
- This is a life saving system of a fighter aircraft helping it to safely eject pilots at the time of need. Two major components required for functioning of CSS are
- MDC for cutting the bubble of canopy
Explosive Transfer Line (ETL) for transmission of explosive shock from one point to another.
- MDC and ETL function with a velocity of detonation of 6000 m/s ensuring that the cutting action of the Canopy occurs in less than 5 m sec from the time of initiation
- In the picture below, one can see the features of canopy on LCA Tejas: