Cart Shopping Cart My Store Account Orders Downloads Shopping Cart “10. Calculation of Landing Gear and Hydraulic System Weights” has been added to your cart. Continue Shopping “13. Will Accessories Impede Our Payload?” has been added to your cart. Continue Shopping Remove item Thumbnail image Product Price Quantity Subtotal × 23. The Value of a Pound $20.00 23. The Value of a Pound quantity $20.00 × 25. The Effect of Overload and Unbalance on Long Range Operation $20.00 25. The Effect of Overload and Unbalance on Long Range Operation quantity $20.00 × 8. A Practical Method for Wing Weight Estimation $20.00 8. A Practical Method for Wing Weight Estimation quantity $20.00 × 10. Calculation of Landing Gear and Hydraulic System Weights $20.00 10. Calculation of Landing Gear and Hydraulic System Weights quantity $20.00 × 13. Will Accessories Impede Our Payload? $20.00 13. Will Accessories Impede Our Payload? quantity $20.00 Coupon: Apply coupon Update cart Available coupons (Click to apply). Cart totals Subtotal $100.00 Tax $0.00 Total $100.00 Proceed to checkout