Cart Shopping Cart My Store Account Orders Downloads Shopping Cart “9. Aircraft Balancing and Center of Gravity Control” has been added to your cart. Continue Shopping “32. Weight and It’s Effect on the Operation and Performance of Commercial Aircraft” has been added to your cart. Continue Shopping “1. Weight Economy” has been added to your cart. Continue Shopping “30. The Effect of Center of Gravity on Performance” has been added to your cart. Continue Shopping Remove item Thumbnail image Product Price Quantity Subtotal × 15. Organization for Weight Control $20.00 15. Organization for Weight Control quantity $20.00 × 4. The Weight Engineer and the Flutter Problem $20.00 4. The Weight Engineer and the Flutter Problem quantity $20.00 × 12. Weight Control - Aircraft Design Problem $20.00 12. Weight Control - Aircraft Design Problem quantity $20.00 × 9. Aircraft Balancing and Center of Gravity Control $20.00 9. Aircraft Balancing and Center of Gravity Control quantity $20.00 × 32. Weight and It's Effect on the Operation and Performance of Commercial Aircraft $20.00 32. Weight and It's Effect on the Operation and Performance of Commercial Aircraft quantity $20.00 × 1. Weight Economy $20.00 1. Weight Economy quantity $20.00 × 30. The Effect of Center of Gravity on Performance $20.00 30. The Effect of Center of Gravity on Performance quantity $20.00 Coupon: Apply coupon Update cart Available coupons (Click to apply). Cart totals Subtotal $140.00 Tax $0.00 Total $140.00 Proceed to checkout