CASIE
DESERT SEARCHES: THE EFFECTIVENESS OF HELICOPTERS

NUMERICAL RESULTS
Page 1 of 3

Actual Results of the Experiments.
As mentioned earlier, all victims who were assigned to move about in the open and attempt to attract attention, were found. These numbers were NOT used in the calculation of the probabilities of detection tables because of the desire to obtain conservative results.

ALL COMMENTS AND CALCULATIONS WHICH FOLLOW ARE RELATED TO THE EXTREME SITUATION OF VICTIMS UNDER COVER AND SIMULATING UNCONSCIOUSNESS. Data were collected from 5 separate experiments of this type, 3 performed on bright, sunny days, and 2 performed on overcast days. These data suggested that there might be an important distinction between the results obtained for bright, sunny days and the corresponding results for overcast conditions. This difference was confirmed statistically with over 98% confidence (see Appendix) in an objective fashion, and visually in a subjective manner (see figures 6, 7, 8).

On bright, sunny days 7 out of a possible 24 victims were found.

On overcast days 11 out of a possible 16 victims were found.


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