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Related Experiment Videos

Air-to-ground training missions: a psychophysiological workload analysis

G F Wilson1

  • 1Human Engineering Division, Armstrong Laboratory, Wright-Patterson Air Force Base, Dayton, OH 45433.

Ergonomics
|September 1, 1993
PubMed
Summary

This study assessed pilot workload using psychophysiological measures during flight training and lab tasks. Flight missions, particularly bombing runs, induced higher workload than lab simulations, highlighting the risks of extrapolating data.

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Area of Science:

  • Aviation Psychology
  • Human Factors Engineering
  • Aerospace Medicine

Background:

  • Assessing pilot and weapon systems officer (WSO) workload is crucial for flight safety and training effectiveness.
  • Psychophysiological measures offer objective insights into cognitive and physical demands during complex tasks.

Purpose of the Study:

  • To compare psychophysiological workload responses of F4 Phantom pilots and WSOs during air-to-ground missions and laboratory tasks.
  • To evaluate the ecological validity of laboratory simulations for representing real-world flight demands.

Main Methods:

  • Psychophysiological measures were recorded from pilots and WSOs during simulated air-to-ground training missions.
  • Participants also performed laboratory-based tracking tasks at two difficulty levels.

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  • Physiological data were analyzed to identify workload variations across different mission segments and task types.

    • Main Results:

    • The bombing range segment of missions elicited the highest workload for pilots.
    • WSOs experienced peak workload when piloting the aircraft during missions.
    • Physiological data ranges were wider during flight segments compared to laboratory tasks, despite significant effects from task difficulty.

    Conclusions:

    • Laboratory tracking tasks, while inducing physiological changes, do not fully replicate the workload experienced during actual flight missions.
    • Extrapolating findings from controlled laboratory settings to dynamic flight environments is potentially misleading.
    • Different psychophysiological measures exhibit varying sensitivity to the distinct demands encountered in different flight segments.