
ISRO’s Successful Test Flight of Gaganyaan Mission: A Milestone in India’s Space Endeavors
Date: October 21, 2023
Aborted Morning Launch:
In a historic development, the Indian Space Research Organisation (ISRO) successfully conducted the first test flight of the Gaganyaan mission on Saturday. This milestone took place at the Satish Dhawan Space Centre (SDSC) in Andhra Pradesh’s Sriharikota. The mission, initially scheduled for lift-off at 8:00 am, faced several delays, with rescheduled times at 8:30 am and 8:45 am. However, the launch of the uncrewed flight test, involving a single-stage liquid propulsion rocket, was aborted at 8:45 am due to an issue with engine ignition.
Correction and Rescheduled Launch:
After identifying and correcting the technical error, ISRO rescheduled the launch for 10:00 am on the same day.
Test Flight Highlights:
The test flight, officially designated as the “Test Vehicle Development Flight Mission-1” (TV-D1 Flight Test), had multiple objectives. It aimed to demonstrate the performance and safety of the crew module and the crew escape system, crucial components of the Gaganyaan mission. Additionally, the test assessed the safe landing capabilities in the Bay of Bengal following the rocket launch.
Technical Details:
The test vehicle, known as Gaganyaan TV-D1, stands at an impressive 34.9 meters tall and boasts a lift-off weight of 44 tonnes. Notably, the TV-D1 flight features a single-walled unpressurized aluminum structure equipped with a simulated thermal protection system.
Mission Objectives:
The TV-D1 launch focused on achieving several critical mission objectives, including:
- Demonstrating and evaluating the performance of Test Vehicle subsystems.
- Testing and evaluating the Crew Escape System, including various separation systems.
- Studying crew module characteristics.
- Demonstrating the deceleration system at higher altitudes and assessing its recovery.
The Gaganyaan Mission’s Ambitious Goals:
The Gaganyaan mission is highly anticipated as it aims to send humans into space on a Low Earth Orbit at an altitude of 400 kilometers for a three-day mission. The safe return to Earth is scheduled for 2025, positioning India as the fourth nation in the world to launch a manned spaceflight mission, joining the ranks of the United States, Russia, and China in this remarkable endeavor.
