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File: aaaaf_02.txtUNCLASSIFIED 02 06 AUG 90 RR RR UUUU DOSSL/43063 VISOR. THE COMMENTS AND OBSERVATIONS ARE FROM PILOTS WHO PARTICIPATED IN THE OPERATIONAL TESTING CONDUCTED BY TAWC- QUOTE 4. GENERAL DESCRIPTION. THE BARNES LEP VISOR PROVIDES MULTIPLE WAVELENGTH PROTECTION AGAINST VISIBLE, NEAR INFRARED (IR) AND IR LASER ENERGY. THE VISORS ARE CONSTRUCTED OF POLYCARBONATE AND ARE ROSE-BROWN IN COLOR. THE VISOR IS SUFFICIENTLY DARK TO PRECLUDE ITS USE DURING NIGHT OPERATIONS; THUS IT IS INTENDED FOR DAYLIGHT OPERATIONS ONLY. ALTHOUGH THE BARNES VISOR IS DARKENED, IT STILL ALLOWS PASSAGE OF APPROXIMATELY 25 PERCENT OF AVAILABLE DAYLIGHT THROUGH THE VISOR, COMPARED TO 13 TO 15 PERCENT TRANSMITTANCE FOR THE STANDARD AIR FORCE SUN VISOR. 5. GENERAL OBSERVATIONS. AT LEAST 80 PERCENT OF PARTICIPATING AIRCREW MEMBERS (PER AIRCRAFT TYPE), RATED THE VISOR AT LEAST SATISFACTORY FOR THE F-16 AND F-111 AIRCRAFT. THIS LEVEL OF ACCEPTANCE WAS NOT OBSERVED FOR THE A-10, F-4, AND F-15 AIRCRAFT. THERE WERE THREE PRIMARY CONCERNS: (A) STRIATIONS IN THE VISOR; (B) PROBLEMS IN READING HEAD-UP DISPLAYS (HUDS), MULTIFUNCTIONAL DISPLAY SYSTEMS AND RADAR WARNING RECEIVERS; AND (C) LACK OF SUN PROTECTION. UNCLASSIFIED
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