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This article describes a study conducted to determine the effects of long duration, random vibration—characteristic of low-altitude high-speed (LAHS) flight aircraft—on human performance, physiological, biodynamic, and tolerance responses. Ten subjects experienced 0.10, 0.15, and 0.20 RMS g with a shaped power spectral density from 1 to 12 cps while engaging in LAHS control tasks. Simulation runs were of 5 hours duration, with the centermost 4 hours under dynamic conditions. Results of this experiment are related to those of other studies which had the same general objectives in order to provide a brief review and summary about what is known regarding human capabilities for LAHS flight.

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Humankind's dreams of progress result in creative and increasingly complex technological wonders. But dreams often turn to nightmares. The attitudinal and organizational causes of several tragedies are explored, and a management and design attitude expressed by Petroski (1985) is examined as illustrative of these causal factors. Liability in courts of law is suggested as society's conscience mechanism for correction, and a challenge to the human factors profession is expressed.