STUDIES OF PILOT PERFORMANCE IN HELICOPTERS.
OHIO STATE UNIV RESEARCH FOUNDATION COLUMBUS
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The report describes changes in piloting performance observed during four hours of very low altitude flight in helicopters. In the course of these missions, designed to produce fatigue, pilots tended to allow rotor RPM to vary within wider limits as flight time increased. Control movements of relatively large amplitude increased considerably during the later hours of flight. These changes were evident both during flight in immediate proximity to obstructions and during flight of a less stressful nature. Significant differences among the four pilots studied appeared to be related both to previous helicopter flight experience and to the type of equipment flown prior to the experiment. A validation study was made of the measurement techniques developed in the first phase of the project. Using modified data collection techniques, fixed wing pilots are being studied during 25 hours of flight instruction in helicopters. Both psychological performance variables and physiological functions are being monitored with the hope of observing correlations between them. Improvements in data acquisition and processing techniques are described. Author
- Stress Physiology