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ISRO Conducts Main Parachute Test For Gaganyaan

YB WEB DESK. Dated: 11/21/2022 12:48:19 PM

Bengaluru, Nov 20 ISRO's Vikram Sarabhai Space Centre has conducted the Integrated Main Parachute Airdrop Test (IMAT) of its crew module deceleration system for the much-awaited maiden Gaganyaan human spaceflight programme at the Babina Field Fire Range (BFFR) in Jhansi district of Uttar Pradesh. The IMAT conducted on Friday marks a significant milestone toward realising the nation's ambitious Gaganyaan project, the Indian Space Research Organisation (ISRO) said in a statement. The Gaganyaan deceleration system consists of three main parachutes, besides the smaller ACS, pilot, and drogue parachutes, to reduce the speed of the crew module to safe levels during its landing, the space agency said. Two of the three main chutes are sufficient to land the astronauts on earth, and the third is redundant, ISRO said adding that the IMAT test simulated the case when one main chute failed to open. The IMAT test is the first in a series of integrated parachute airdrop tests planned to simulate different failure conditions of the parachute system before it is deemed qualified to be used in the first human spaceflight mission. In this test, a five-tonne dummy mass, equivalent to the crew module mass, was taken to an altitude of 2.5 kilometres and dropped using the Indian Air Force's IL-76 aircraft. Two small pyro-based mortar-deployed pilot parachutes then pulled the main parachutes. The main parachute sizes were initially restricted to a smaller area to reduce the opening shock. After seven seconds, the pyro-based reefing line cutters cut the area restricting line.