Cart Shopping Cart My Store Account Orders Downloads Shopping Cart “23. The Value of a Pound” has been added to your cart. Continue Shopping “10. Calculation of Landing Gear and Hydraulic System Weights” has been added to your cart. Continue Shopping “14. Weight Predictor” 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 × 10. Calculation of Landing Gear and Hydraulic System Weights $20.00 10. Calculation of Landing Gear and Hydraulic System Weights quantity $20.00 × 14. Weight Predictor $20.00 14. Weight Predictor quantity $20.00 Coupon: Apply coupon Update cart Available coupons (Click to apply). Cart totals Subtotal $60.00 Tax $0.00 Total $60.00 Proceed to checkout