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KENNEDY SPACE CENTER SPACE SHUTTLE STATUS REPORT Tuesday, April 23, 1996 George H. Diller Vehicle: OV-105/Endeavour Mission number: STS-77 Location: Pad 39-B Primary payload: Spacehab 4/Spartan 207/TEAMS Astronauts: 6 Orbital altitude: 176 statute miles Inclination: 39 degrees Mission Duration: 10 days, 0 hours, 37 minutes Launch date: May 16 6:32 a.m. EDT Landing date: May 26 7:09 a.m. EDT STS-77 IN WORK TODAY: - Terminal Countdown Demonstration Test (TCDT) - Astronaut emergency egress training - Helium signature leak test of main propulsion system STS-77 WORK SCHEDULED: - Conclude Terminal Countdown Demonstration Test (Wed. at 11 a.m.) - Flush and sample potable water system (Wed.-Thurs.) - Calibrate inertial measurement units (Wed.-Thurs.) - Spacehab/Spartan payload Interface Verification Test (Thurs.-Fri.) STS-77 WORK COMPLETED: - Mating of orbiter mid-body umbilical unit - Application of booster aft skirt foam insulation STS-78/OV-102/Columbia Life and Microgravity Science Laboratory OPF Bay 2 The Life and Microgravity Spacelab (LMS) is being installed into the payload bay of Columbia today. The Interface Verification Test (IVT) is planned for Apr. 29-30. Orbiter midbody avionics system testing and associated closeouts continue. In the Vehicle Assembly Building, stacking of the right forward center booster segment was completed overnight. Mating of the external tank to the solid rocket boosters is scheduled for Apr. 30. STS-79/OV-104/Atlantis MIR-4 Docking OPF Bay 1 A functional test of the forward reaction control system is underway today. Also, a test of the main engine turbopump system is scheduled. Work to remove the three main engines for maintenance will begin on Friday. KSC 24-Hour Weather Summary Shuttle Landing Facility - 7 a.m. Today’s minimum temperature: 63 degrees Yesterday’s maximum temperature: 82 degrees Lowest relative humidity: 49 percent Peak wind speed/direction: 28 mph/SE Precipitation: 0 Total April precipitation: .55 inches Barometric pressure: 30.20