Gaganyaan Countdown — ISRO reveals TV-D1 test flight date for human spaceflight mission

Published by: Anand Singha

TV-D1 Test Flight Date: The TV-D1 test flight for India's Gaganyaan project is scheduled for Saturday, October 21, 2023, between 7-9 am.

Location: The launch will occur from the Satish Dhawan Space Centre (SDSC-SHAR) in Sriharikota, Andhra Pradesh.

The project aims to demonstrate India's ability to launch a human crew into a 400 km orbit and safely return them to Earth, with a splashdown in the Bay of Bengal.

The TV-D1 test flight primarily evaluates the crew module (CM) designed to accommodate Indian astronauts for the human spaceflight mission set for the following year.

After landing in the Bay of Bengal, it will be retrieved using a dedicated vessel and a team of divers from the Indian Navy.

TV-D1 aims to simulate an abort condition during ascent corresponding to a Mach number of 1.2, about 1,482 km per hour, expected during the Gaganyaan mission.

The success of this test flight will set the stage for remaining qualification tests and unmanned missions, ultimately leading to the first Gaganyaan mission with Indian astronauts.

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