Cart Shopping Cart My Store Account Orders Downloads Shopping Cart Remove item Thumbnail image Product Price Quantity Subtotal × 12. Weight Control - Aircraft Design Problem $20.00 12. Weight Control - Aircraft Design Problem quantity $20.00 × 1454. Grumman's Forward Swept Wing Feasibility Studies and X-29A Technology Demonstrator $20.00 1454. Grumman's Forward Swept Wing Feasibility Studies and X-29A Technology Demonstrator quantity $20.00 × 1339. Test Procedures Used in Determining Aircraft Suitability for STAN* Integral Weight and Balance System $20.00 1339. Test Procedures Used in Determining Aircraft Suitability for STAN* Integral Weight and Balance System quantity $20.00 × 1351. The Modular Life Cycle Cost Model for Advanced Aircraft Systems $20.00 1351. The Modular Life Cycle Cost Model for Advanced Aircraft Systems quantity $20.00 Coupon: Apply coupon Update cart Available coupons (Click to apply). Cart totals Subtotal $80.00 Tax $0.00 Total $80.00 Proceed to checkout