48.8 meters.

UPPER SURFACE BODY FLAP Ex cen ELEVONS NOSE LANDING GEAR “2 BRAKE/ANTISKID VALVES Figure 4-4.— Orbiter hydraulic system. 4-14 MAIN LANDING GEAR SUPPORT STRUTS FORWARD BULKHEAD FORWARD FUSELAGE CREW CABIN PAYLOAD BAY DOORS * CONVENTIONAL ALUMINUM STRUCTURE * MAXIMUM TEMPERATURE 450.