Cart Shopping Cart My Store Account Orders Downloads Shopping Cart Remove item Thumbnail image Product Price Quantity Subtotal × 202. Balance Methods for Dual Class Cabins $20.00 202. Balance Methods for Dual Class Cabins quantity $20.00 × 254. An Investigation of Changes of Loadability of an Airplane Due to Changes in Interior Arrangement $20.00 254. An Investigation of Changes of Loadability of an Airplane Due to Changes in Interior Arrangement quantity $20.00 × 207. Notes on the Loading Characteristics of the Britannia 102 Aircraft $20.00 207. Notes on the Loading Characteristics of the Britannia 102 Aircraft 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