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PierSight completes structural qualification model for Varuna 2.0 SAR and AIS satellite
The Ahmedabad spacetech startup integrated and tested a full-scale SQM of its first commercial maritime surveillance satellite, a step before flight-model build.
Ahmedabad-based PierSight has successfully integrated and tested the Structural Qualification Model of Varuna 2.0, its first commercial Synthetic Aperture Radar and Automatic Identification System satellite, Startuppedia reported on 6 November 2026. Indian Defence News also said the company completed structural model integration and testing for Varuna 2.0. An SQM is a full-scale prototype meant to match the flight spacecraft in structure and function so engineers can validate structural performance, thermal behaviour and electrical interfaces before committing to flight hardware.
Varuna 2.0 is designed to combine X-band SAR imaging with AIS vessel-tracking data so operators can monitor ships in cloud, fog and darkness, including vessels that switch off AIS transponders, often called dark ships. Startuppedia said applications include illegal fishing monitoring, oil-spill detection, suspicious ship tracking and Exclusive Economic Zone surveillance for coast guards, navies, shipping firms and marine insurers. PierSight's longer-term plan remains a 32-satellite constellation for more frequent maritime revisit.
The commercial satellite builds on PierSight's Varuna technology demonstrator flown on ISRO's PSLV-C60 POEM-4 mission in December 2024. Indian Defence News also noted prior reflectarray antenna testing at ISRO's Compact Antenna Test Range in Ahmedabad with aperture efficiency above 50 percent. Founder and CEO Gaurav Seth, an ISRO veteran, and founding CTO Vinit Bansal started the company in September 2023. Startuppedia said total funding is about $10 million after Elevation Capital, Alpha Wave Global, Techstars and later strategic investors.
Runtime's 4 November 2026 post flagged the SQM integration and test as a milestone toward persistent maritime coverage. Assembly of the earlier SQM phase was completed in under six days, per Startuppedia's account of Seth's earlier comments. Next steps are further environmental qualification and eventual flight-model build rather than immediate launch.
