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ISRO to test Gaganyaan parachutes by dropping module from chopper

The Integrated Air Drop Test (IADT) will see a Chinook helicopter dropping the crew module from a height of around 4-5 km.

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The Indian Space Research Organisation (ISRO) is likely to undertake an important test under the Gaganyaan mission to check the parachute system of the crew module in the next few days, according to officials in know of the matter. The Integrated Air Drop Test (IADT) will see a Chinook helicopter dropping the crew module from a height of around 4-5 km.

“The test is likely to be conducted in the next two or three days. The first IADT will test the parachute system under nominal conditions, meaning it will mimic the process of splashdown of the crew module when both parachutes open in a timely manner,” the official said.

This will be the first in a series of IADT to test the parachute system under off-nominal conditions such as one parachute not opening, both parachutes not opening, or delayed deployment of the parachutes.

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After the splashdown of the crew module—the module that will seat the three Indian astronauts —another helicopter will locate the crew module. The Navy will then recover the crew module and bring it to the Chennai coast, according to officials.

The splashdown and recovery of the crew module is also an important step, especially since the crew module turned upside down during the first test vehicle mission last October. The space agency will also undertake test vehicle missions— where a single stage rocket carries the modules several kilometres in space to test all systems —before the first unmanned mission. “This is unchartered territory. We do not know how many such tests will be needed. It will depend on findings from these tests,” said the official.

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The crew module will be the pressurised cabin which will carry the three astronauts to space and back.

While the current tests are only with the crew module, for the actual flight, the crew module will be attached with a service module that will house all support systems such as the propulsion system.


 

Anonna Dutt is a Principal Correspondent who writes primarily on health at the Indian Express. She reports on myriad topics ranging from the growing burden of non-communicable diseases such as diabetes and hypertension to the problems with pervasive infectious conditions. She reported on the government’s management of the Covid-19 pandemic and closely followed the vaccination programme. Her stories have resulted in the city government investing in high-end tests for the poor and acknowledging errors in their official reports. Dutt also takes a keen interest in the country’s space programme and has written on key missions like Chandrayaan 2 and 3, Aditya L1, and Gaganyaan. She was among the first batch of eleven media fellows with RBM Partnership to End Malaria. She was also selected to participate in the short-term programme on early childhood reporting at Columbia University’s Dart Centre. Dutt has a Bachelor’s Degree from the Symbiosis Institute of Media and Communication, Pune and a PG Diploma from the Asian College of Journalism, Chennai. She started her reporting career with the Hindustan Times. When not at work, she tries to appease the Duolingo owl with her French skills and sometimes takes to the dance floor. ... Read More

First uploaded on: 30-04-2024 at 03:42 IST
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