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PSLV-C61 Failure: ISRO Names Cause of EOS-09 Setback

2 August 20251 min read
SCIENCE & TECHNOLOGYPSLV-C61 Failure:ISRO Names Causeof EOS-09 Setback2 August 2025safalsetu.com

Why in the news

ISRO announced the end of its inquiry into the May 2025 failure of the PSLV-C61 mission. Chairman V. Narayanan confirmed that a Failure Analysis Committee had identified what went wrong.

Key facts

  • Mission: PSLV-C61 carrying the Earth observation satellite EOS-09.
  • Date of failure: 18 May 2025.
  • Target orbit: sun-synchronous polar orbit.
  • Launch site: Satish Dhawan Space Centre, Sriharikota.
  • What happened: lift-off and the first two stages performed as expected; a third-stage anomaly ended the mission.

Significance

  • PSLV is regarded as ISRO’s most trusted and dependable launcher, with a long record across decades.
  • The mishap is treated as a rare blot on ISRO’s operations.

Exam angle

  • Panel that studied the cause: Failure Analysis Committee.
  • ISRO head quoted: V. Narayanan.
  • Failed stage: third stage of PSLV-C61.

Test yourself

1. In which stage did the anomaly occur in the PSLV-C61/EOS-09 mission, as per the notes?

Performance was normal until the second stage; the third-stage anomaly caused failure.

2. Which satellite was PSLV-C61 meant to place in a sun-synchronous polar orbit?

The mission objective was placing the Earth observation satellite EOS-09.

3. Which body identified the cause of the PSLV-C61 failure, according to ISRO Chairman V. Narayanan?

He confirmed that the Failure Analysis Committee pinpointed the cause.

This topic is part of Daily Current Affairs 2 August 2025 (14 topics).

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