After a successful three hour and five minute first flight the longest 737 ever built approaches for landing at Boeing Field in Seattle. During the flight, pilots Capts. Mike Hewett and Jim McRoberts conducted a series of tests on the airplane's systems and structures. Using flight-test equipment on board the aircraft, information from the tests was recorded and the pilots transmitted data back to Flight Test personnel working at the control room at Boeing Field. The 129-foot, 6-inch 737-800 will go through a seven month flight test program before it is certified and delivered to German carrier Hapag-Lloyd in the spring of 1998.