56 Windows
TTP B1-L3 ATA 56 Beech 90 Series B2-L1 Windows The King Air for w ard windshields are fo r med from t w o-p l y glass in an int e g ral aluminum frame. The t w o glass plies are bonded t o gether with a center po l yvi n yl sheet that co n tains the fine wire heating g rids. The windshields are electrostatical l y coated and cu r rent-production windshields are sur f ace sealed. All the side wind o ws are const r ucted from ac r ylic plastic. WINDSHIELDS The electrical l y heated laminated glass windshield is subject to the g radual process of delamination due to the effect of chemical action and differentials of temperature and pressure incu r red during pressurized flights at v a r ying altitudes and under v a r ying w eather conditions. This delamination is not detrimental to the st r uctural int e g rity of the windshiel d , b ut ...