| 摘要 |
Apparatus for carrying out aircraft pilot training and proficiency procedures comprising goggles having selectively translucent regions adjusting sight distance through the windscreen of the aircraft while permitting unrestricted vision of cockpit instrumentation. The vision occluding regions may be provided as polymeric overlays having a translucency selected for varying visibility distances and which may be mounted upon the lens region of the goggles in removable fashion through the development of static electricity between the components.
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