failure-evaluation-on-pslv-c61/eos-09-mission-accomplished,-report-back-to-be-submitted-to-pm-quickly:-isro-chairman-v.-narayanan failure-evaluation-on-pslv-c61/eos-09-mission-accomplished,-report-back-to-be-submitted-to-pm-quickly:-isro-chairman-v.-narayanan

Failure evaluation on PSLV-C61/EOS-09 mission accomplished, report back to be submitted to PM quickly: ISRO chairman V. Narayanan

ISRO chairman V. Narayanan (file) | Photo Credit: NASA through PTI Photo

The failure evaluation committee has pinpointed the issue that precipitated the failure of the Polar Satellite Launch Vehicle-C61/Earth Observation Satellite-09 (PSLV-C61/EOS-09) mission in May 2025, V. Narayanan, chairman, Indian Space Research Organisation (ISRO), mentioned on Friday (August 1, 2025).

The evaluation is over and the committee’s report will shortly be handed over to Prime Minister Narendra Modi, Mr. Narayanan mentioned on the sidelines of a programme on the CSIR-National Institute of Interdisciplinary Science and Technology (NIIST) in Thiruvananthapuram, Kerala.

Mr. Narayanan described the issue as a “small” one, however mentioned he can reveal the main points solely after the report is submitted to the Prime Minister.

The PSLV-C61/EOS-09 had an ideal lift-off from the Satish Dhawan Space Centre, Sriharikota, on May 18 this yr. The mission goal was to position the EOS-09 satellite tv for pc in a sun-synchronous polar orbit. However, the mission failed to realize its goal, inflicting an uncommon setback for the area company with the PSLV, usually described as its trusted workhorse for its reliability.

Immediately afterwards, ISRO had said that the “PSLV-C61 efficiency was regular until second stage. Due to an commentary within the third stage, the mission couldn’t be achieved.”

Speaking to the media after the mission, Mr. Narayanan had mentioned that “a fall in chamber stress within the motor case” had led to the glitch. Subsequently, a failure evaluation committee was constituted to trace down the issue.

On Friday, Mr. Narayanan mentioned he was “100% assured” about upcoming PSLV missions, of which a quantity are deliberate for 2025.

ISRO is planning to have the subsequent PSLV mission in three months’ time, he mentioned. “We are within the means of making ready for the subsequent PSLV launch,” he mentioned.

The PSLV-C61 flight marked the 63rd certainly one of this launch car and the twenty seventh utilizing its ‘XL’ configuration.

Published – August 01, 2025 02:31 pm IST

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