[Experimental studies of reliability of symbolic information perception from the aviation LCD panel].

Results of tachistiscopic experiments on reliability of symbol recognition on LCD panel as a function of screen definition (640 x 480, 800 x 600 and 1024 x 768 pixels), angular size of a picture element (10, 15, 20 and 30 angular min) and luminance contrast (LC) with the background (0.2 to 1.4 standard units) are presented. The obtained quantitative relations indicate significance of the above parameters for recognition reliability. Symbols with the size of 30 angular min and LC of 0.5 were recognizable irrespective of screen definition in the study. Recognition of symbols 20 and 15 angular min of size was much dependent on screen definition and LC of symbols. For symbols of size 10 angular min and LC ≥ 1.0 the recognition probability did not exceed 0.59-0.7.

[Peculiarities of pilot's perception of flight information presented on on-board liquid crystal displays].

The article deals with results of experimental studies conducted on flight testing desk and covering peculiarities of pilot's perception of flight information presented on on-board liquid crystal display in dependence on changes speed and update rate of the screen. The authors determine frequency characteristics of information update rate, that achieve acceptable quality of the flight parameters perception in accordance with the changes speed. Vigorous maneuvering with high angular velocities of changed parameters of roll and pitch causes visual distortions that are connected with poor frequency of information update rate, deteriorate piloting quality and can cause flight unsafety.

[The domestic aviation and space medicine reflected in phaleristics].

The article is devoted to the connection between the badges of medical institutions that are material evidence of formation and development of domestic aviation and space medicine and the history of Armed forces. The authors describe development of aviation and space medicine phaleristics, which is an important factor for patriotic education of modem scientific and military medical personnel.

[Optimizing visual work of pilot wearing night vision glasses].

The article deals with results of experimental studies on optimizing visual work conditions of pilot in night vision glasses. Prevention of visual fatigue during work in night vision glasses was proved to be contributed mostly by the image brightness (in range of 0.7-1.8 candle/m2) adjustable by the pilot, precise individual settings of optic system in night vision glasses (by viewer's eye base) and regulation of the work duration.