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Publication AbstractsTactical vs. other simulated aerial combat manoeuvresTong A, Balldin UI, Dooley JW, Hill RCAviat Space Environ Med 1998; 69:525-7 AbstractBackground: There is a need for a more operationally relevant +Gz profile for centrifuge-based research and evaluation. This article describes a simulated aerial combat manoeuvre (SACM) named the Tactical Aerial Combat Manoeuvre (TACM). Hypothesis: a more representative centrifuge-based SACM can be devised for high-G acceleration research and evaluation. Methods: TACM consists of 9G X 5 s, 5G X 1 s, 8G X 5 s, and 4G X 2 s. TACM was compared against the widely accepted 4.5-7G and 5-9G SACMs. There were 15 centrifuge subjects used in this study. Results: TACM accounted for all four incidents of G-Induced Loss of Consciousness (G-LOC); and most incidents of blackouts (5 of 8) observed. Conclusion: TACM simulates the seesaw pattern of +Gz forces of aerial combat and retains the reproducibility needed for acceleration research and evaluation. TACM captures the high onset, high amplitude +Gz changes of aerial combat when G-LOC and blackouts are more likely to occur. TACM should be particularly useful for evaluation of G-protective equipment and manoeuvres, as well as fighter aircrew medical evaluations.
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