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Gaganyaan Crew Module to have two landing choices, Arabian Sea and Bay of Bengal

The CM would be splashing down near the Indian coast in 2023 after the week-long mission, and the Arabian Sea, which is comparatively calmer, is the primary choice, but the Bay of Bengal is also being considered as a backup option, writes Dr. Unnikrishnan Nair S, Director, Human Space Flight Centre (HSFC), ISRO, Bengaluru, in an article.

PTI Reported by: PTI Thiruvananthapuram Published on: January 04, 2022 17:21 IST
Gaganyaan HRLV
Image Source : PTI

The Orbital module will be launched by the Human Rated Launch Vehicle (HRLV), which is a modified version of the GSLV MK-III vehicle

As the Indian Space Research Organisation (ISRO) is going at full throttle for Gaganyaan, the country's maiden manned space mission scheduled for launch in 2023, interesting details of the Crew Module (CM), including the landing choices, Crew Escape System, and survival packets for each crew member, have emerged.

The CM would be splashing down near the Indian coast in 2023 after the week-long mission, and the Arabian Sea, which is comparatively calmer, is the primary choice, but the Bay of Bengal is also being considered as a backup option, writes Dr. Unnikrishnan Nair S, Director, Human Space Flight Centre (HSFC), ISRO, Bengaluru, in an article.

The article 'Indian Human Space Mission' appears in the Manorama Yearbook 2022. 

The HSFC was set up by the ISRO in Bengaluru in 2019 for sustained and affordable human space flight activities and Gaganyaan is the first project.

The test flight to validate the performance of the Crew Escape System and the first uncrewed mission of Gaganyaan has been scheduled at the beginning of the second half of 2022.

The Gaganyaan Orbital Module (OM) has two parts the Crew module (CM) and the Service module (SM) ù and weighs about 8,000 kg. 
 While in orbit, the OM will be orbiting the Earth with a velocity of about 7,800 m/s. 

The CM, a double-walled system and the habitat of astronauts, who would be part of the manned mission, has an ablative Thermal Protection System (TPS) to protect it during the intense aerodynamic heating during the flight, points out Dr. Nair.

The Orbital module will be launched by the Human Rated Launch Vehicle (HRLV), which is a modified version of the GSLV MK-III vehicle. The CM has a cluster of small thrusters with a 100N thrust level based on green propulsion that will be fired in a controlled manner to change the attitude of the module during the re-entry and atmospheric phases of flight. 

After landing, the coordinates of CM will be passed on to the recovery team waiting in ships. The CM has a survival packet for each crew that can support them for nearly two days. However, ISRO is positive that the crew can be recovered within two hours after the splashdown.

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Also Read: Recap 2021 - A year of space tourism, launch of biggest telescope and many milestones | Pics, Videos

 

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