Air-Drop Test Success a Big Step in Gaganyaan Mission: Isro Scientist

The first integrated air Drop Test (IADT-01) Conducted Successfully at Sriharikota on Sunday (August 24, 2025) Humans to space, A. Rajarajan, Senior Scientist with the Indian Space Research Organization (Isro) and Director, Vikram Sarabhai Space Center (VSSC), Said on Monday (AUNGUST 25, 2025).

The Isro will follow up IADT-01 with the second test vehicle mission (TV-D2) and the un-Crewed Gaganyaan-1 (G1) Flight-Two of the Critical Trials LINED Up Before The Complex Mission- Soon, Mr. Rajarajan Told The Hindu,

He described the upcoming tv-d2 as a “complex mission” that will put to test the crew Escape system (CES) Under Critical Conditions. The Isro Had Successfully Accompiled The Gaganyaan TV-D1 Mission in October 2023.

For the Uncrewed Gaganyaan-1 (G1) Mission, The Spacecraft will be launched aboard a human-rated LVM3 Rocket. The mission will also also have on board vyomitra, the humanoid robot developed by the isro.

An expert in Composite Materials, Mr. Rajarajan Took Charge as the Vssc’s Director on August 1, 2025 after a Six-Year Stint as the Director of the Satish Dhawan Space Center, Sriharikota (SDSC-Shahar).

‘Vssc plays a major role’

On the success of IADT-01, Mr. Rajarajan said that as vssc director, he was happy that the test went as expected. The Vssc Had a Major Role In IADT-01, Being Responsible for “90%” of the Activities AlongSide the Human Space Flight Center (HSFC) and SDSC-Shaar and Other Agncies, Including the Indian AIR FORCE, He SAID.

IADT-01 Successfully Demonstrated The Parachute-Based Crew Module Deception System for Gaganyaan. The 4.8-Tonne dummy module was dropped from a height of 3 km from a chinook helicopter operated by the IAF.

“Vssc had carried out the end-to-end modeling for this test. The touchdown was achieved as expected. Now, we More or Less have a clear picture of Parachute Deployment and The TouchDown Conditions,” That the data will now be closely studied for use in upcoming trials.

“People may think it’s simple, dropping someting from a helicopter. Rajarajan said of IADT-01.