SAE AIR5689 Light Transmitting Glass Covers for Exterior Aircraft Lighting

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                   Product Code:SAE AIR5689Titleight Transmitting Glass Covers for Exterior Aircraft LightingIssuing Committee:A-20b Exterior Lighting CommitteeScope:This SAE Aerospace Information Report (AIR) provides definitions of and inspection criteria for defects commonly encountered in molded and finished glass covers for exterior aircraft lighting.This document covers, but is not limited to, visual  inspection and evaluation recommendations for molded glass covers  used in exterior aircraft lighting applications.  The included  definitions are for those defects most commonly encountered.  The  goal is to provide specific evaluation criteria in the following  areas:  a. color; b. internal quality; c. external (surface)  quality; d. dimension; and e. coatings.