Cart Shopping Cart My Store Account Orders Downloads Shopping Cart “33. Some Problems in the Selection of Optimum Airplane Configurations for Minimum Weight” has been added to your cart. Continue Shopping “27. The Significance of Weight Control” has been added to your cart. Continue Shopping “7. Predetermination of Weight Efficiency” has been added to your cart. Continue Shopping “2. Airplane Weight and Balance Control” has been added to your cart. Continue Shopping Remove item Thumbnail image Product Price Quantity Subtotal × 33. Some Problems in the Selection of Optimum Airplane Configurations for Minimum Weight $20.00 33. Some Problems in the Selection of Optimum Airplane Configurations for Minimum Weight quantity $20.00 × 27. The Significance of Weight Control $20.00 27. The Significance of Weight Control quantity $20.00 × 7. Predetermination of Weight Efficiency $20.00 7. Predetermination of Weight Efficiency quantity $20.00 × 2. Airplane Weight and Balance Control $20.00 2. Airplane Weight and Balance Control quantity $20.00 Coupon: Apply coupon Update cart Available coupons (Click to apply). Cart totals Subtotal $80.00 Tax $0.00 Total $80.00 Proceed to checkout