Citation

Stone LW, Sanders MG, Glick DD, Wiley RW, Kimball KA. Aviat. Space Environ. Med. 1980; 51(8): 797-804.

Copyright

(Copyright © 1980, Aerospace Medical Association)

DOI

unavailable

PMID

7417147

Abstract

Eight experienced U.S. Army aviators performed various maneuvers in an instrumented helicopter to test the relative usability of two bifocal-configured night vision goggles. Both configurations were statistically better than the unmodified arrangement when looking at a pilot's ability to fly a standard traffic pattern and to hold a precise altitude at night. The subjective data, supported by comparative flight performances with the two bifocals, further suggested that a 24% bifocal version was more desirable than a 14% configuration. The inference is that the reduced inside field of view presented by the 14% bifocal interferes with a pilot's ability to readily locate instruments once he has directed his attention inside the cockpit.

Language: en