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Guidelines for a research and development (R&D) program for high sustained G.

R R Burton1

  • 1Armstrong Laboratory, Brooks Air Force Base, Texas 78235-5118, USA.

The Physiologist
|February 1, 1993
PubMed
Summary
This summary is machine-generated.

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New anti-G systems significantly improve pilot G-tolerance and reduce G-induced loss of consciousness (G-LOC). These advanced systems, including positive pressure breathing (PPB) and improved anti-G suits, show substantial promise for high-performance aircraft operations.

Area of Science:

  • Aerospace Medicine
  • Human Factors Engineering
  • Physiological Protection Systems

Background:

  • G-induced loss of consciousness (G-LOC) poses a significant risk in high-performance aircraft.
  • Existing G-protection systems aim to increase pilot G-tolerance.
  • Recent advancements in G-protection research and development (R&D) systems are nearing operational status.

Purpose of the Study:

  • To review operational requirements for preventing G-LOC in high-performance aircraft.
  • To highlight recent advances in personal G-protection systems.
  • To assess the potential impact of new anti-G systems on G-LOC incidence.

Main Methods:

  • Review of operational anti-G systems, including Positive Pressure Breathing (PPB) systems assisted by chest counterpressure (PBG) integrated with Combat Edge.

Related Experiment Videos

  • Evaluation of an improved anti-G suit concept, the Advanced Tactical Anti-G Suit (ATAGS), providing uniform lower body pressure.
  • Assessment of the combined Combat Edge and ATAGS system through laboratory centrifuge testing.

    • Main Results:

    • Combat Edge (PBG) flight tests demonstrated reduced pilot fatigue and extended G-duration tolerance, with substantial pilot acceptance.
    • The Advanced Tactical Anti-G Suit (ATAGS) flight tests showed increased G-level and G-duration tolerances, with pilot preference over standard suits.
    • Combined Combat Edge and ATAGS system testing allowed subjects to tolerate 8-9G with minimal anti-G straining maneuver (AGSM).

    Conclusions:

    • Near-term operational anti-G systems like PBG and ATAGS offer significant improvements in G-tolerance.
    • The combination of Combat Edge and ATAGS represents a highly advanced system with the potential to substantially reduce G-LOC.
    • These advanced systems are expected to significantly decrease G-LOC incidence in high-performance aircraft, especially fatigue-associated G-LOC.