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Isar Aerospace Sets March 19 Launch Window for Spectrum’s Second Test Flight

A repaired pressure valve clears the way for preparations at Norway’s Andøya site.

Overview

  • The company scrubbed last week’s attempt after a pressure valve malfunction and says the issue was quickly resolved.
  • The vehicle is back in a hall near the launch pad, with range scheduling and weather expected to guide timing within the new window.
  • Spectrum is a microlauncher built to carry about one tonne to low Earth orbit from the Andøya range.
  • The rocket’s first test flight in March 2025 was terminated roughly 30 seconds after liftoff due to technical problems.
  • European demand for independent small-satellite access remains strong as many payloads rely on SpaceX, with competitors Rocket Factory Augsburg and HyImpulse pursuing similar vehicles.