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ISRO Investigates PSLV-C61 Failure After Third-Stage Anomaly

The EOS-09 satellite mission was aborted after a pressure drop in the PSLV's third-stage engine, prompting a detailed failure analysis by ISRO.

PSLV-C61 launch halted mid-mission after third-stage malfunction, says ISRO
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Overview

  • The PSLV-C61 mission failed to place the EOS-09 satellite into its intended sun-synchronous polar orbit due to a third-stage engine pressure anomaly.
  • This marks the fourth failure in 63 PSLV launches since its debut in 1993, highlighting the rocket's overall reliability despite rare setbacks.
  • EOS-09, a radar imaging satellite designed for day-and-night, all-weather surveillance, was equipped with debris-mitigation features for end-of-life disposal.
  • ISRO has convened a post-flight analysis committee to identify the root cause of the anomaly and recommend corrective measures for future missions.
  • The failure comes amid ISRO's broader efforts to expand its satellite capabilities, including strategic and disaster-monitoring applications.