On-Board Oxygen Generating System (OBOGS)-based Integrated Life Support System (ILSS)

The Defence Bio-Engineering & Electro Medical Laboratory (DEBEL), a Bengaluru-based DRDO lab, successfully conducted high-altitude trials of the Indigenous On-Board Oxygen Generating System (OBOGS)-based Integrated Life Support System (ILSS) for the LCA Tejas aircraft on March 4.

Key Features of the OBOGS-Based ILSS

  • Self-Sustaining Oxygen Supply: Generates breathable oxygen in real-time, eliminating the need for traditional liquid oxygen cylinders.
  • Greater Efficiency & Safety: Reduces reliance on ground-based oxygen refilling and enhances pilot safety during flight.
  • Successful Flight Testing: Conducted on the LCA-Prototype Vehicle-3, developed by HAL and the Aeronautical Development Agency (ADA).

System Components & Development

  • Comprises 10 Line Replaceable Units (LRUs), including:
    • Low-Pressure Breathing Regulator
    • Backup Oxygen System (BOS)
    • Emergency Oxygen System
    • Oxygen Sensor & Anti-G Valve
  • Manufactured by L&T as a Development cum Production Partner.

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