Cart Shopping Cart My Store Account Orders Downloads Shopping Cart Remove item Thumbnail image Product Price Quantity Subtotal × 150. Electronic Weight and Balance Computers and Load Planners for Aircraft $20.00 150. Electronic Weight and Balance Computers and Load Planners for Aircraft quantity $20.00 × 154. Multiple Station Analysis and Exponential Time Trend for Estimating Structural Box Weight $20.00 154. Multiple Station Analysis and Exponential Time Trend for Estimating Structural Box Weight quantity $20.00 Coupon: Apply coupon Update cart Available coupons (Click to apply). Cart totals Subtotal $40.00 Tax $0.00 Total $40.00 Proceed to checkout