North American X-15 knots false jsb X15 false Aircraft/X15/Panels/X15-panel.xml true Aircraft/c172/Panels/c172-trans-mini-panel.xml Aircraft/X15/Models/X15_flight.ac 300.0 400.0 4000.0 3000.0 25000.0 0.001 0.45 0.0 35000 250