KENNEDY SPACE CENTER SPACE SHUTTLE STATUS REPORT
      WEDNESDAY, APRIL 15, 1998 (6:58 PM EDT)

      KSC Public Affairs Contact: Bruce Buckingham (fax 407-867-2692)
      E-mail: Bruce.Buckingham-1@ksc.nasa.gov

      Launch Viewing Information


      MISSION: STS-90 -- NEUROLAB

      STS-90 images

      Virtual tour of orbiter and Neurolab
      • VEHICLE: Columbia/OV-102
      • LOCATION: Pad 39B
      • TARGET KSC LAUNCH DATE/TIME: April 16, 1998 at 2:19 p.m. EDT
      • LAUNCH WINDOW: 2 hours, 30 minutes
      • *TARGET KSC LANDING DATE/TIME: May 3 at 11:07 a.m. EDT
      • *EXPECTED MISSION DURATION: 16 days, 21 hours, 48 minutes
      • CREW: Searfoss, Altman, Linnehan, Williams, Hire, Buckey, Pawelczyk
      • ORBITAL ALTITUDE and INCLINATION: 150 nautical miles/39 degrees
        *The mission is currently baselined to last 16 days (MET of 15/21:50). The option to add the 17th day, (MET of 16/21:48) if power margins permit, will be addressed during the flight.

      NOTE: Operations to launch the Shuttle Columbia on Mission STS-90 are continuing without problem today. Launch remains set for 2:19 p.m. tomorrow from KSC’s Pad 39B.

      Neurolab late stow activities were completed earlier this morning and closeouts of the spacelab and the airlock were conducted soon afterwards. Activation of Columbia’s communications systems also began on time this afternoon. Operations have commenced to prepare for the movement of the Rotating Service Structure to launch position. The RSS is set to be rolled back at about 8 p.m. today.

      Tomorrow, efforts to load the external tank with 500,000 gallons of liquid oxygen and liquid hydrogen will begin at about 5:30 a.m. During this three-hour operation, the crew will be awakened and begin final preparations for launch. They are scheduled to depart for the pad at about 11 a.m.

      Air Force weather officials continue to forecast a zero percent chance that weather will prohibit launch activities tomorrow afternoon. The forecast calls for few clouds at 3,500 and few clouds at 25,000 feet; visibility of at least 7 miles; winds from the south at 12-18 knots; a temperature of 83 degrees F and relative humidity of 55 percent. The 24-hour delay forecast indicates a zero percent chance that weather could violate launch criteria.


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      SUMMARY OF BUILT-IN HOLDS FOR STS-90
        T-TIME    LENGTH OF HOLD               HOLD BEGINS         HOLD ENDS
      T-11 hours    25 hours, 59 minutes     10:00 p.m. Tues.    11:59 p.m. Wed.
      T-6  hours     1 hour                   4:59 a.m. Thurs.    5:59 a.m. Thurs.
      T-3  hours     2 hours                  8:59 a.m. Thurs.   10:59 a.m. Thurs.
      T-20 minutes  10 minutes                1:39 p.m. Thurs.    1:49 p.m. Thurs.
      T-9  minutes  10 minutes                2:00 p.m. Thurs.    2:10 p.m. Thurs.
      

      CREW FOR MISSION STS-90
               Commander (CDR):  Richard Searfoss
                   Pilot (PLT):  Scott Altman
      Mission Specialist (MS1):  Rick Linnehan
      Mission Specialist (MS2):  Kay Hire
      Mission Specialist (MS3):  Dave Williams
      Payload Specialist (PS1):  Jay Buckey  
      Payload Specialist (PS2):  James Pawelczyk
      

      SUMMARY OF STS-90 LAUNCH DAY CREW ACTIVITIES
      Thursday, April 16 
      
        7:00 a.m.  Wake up 
        7:30 a.m.  Breakfast  
      * 9:54 a.m.  Crew photo
       10:24 a.m.  Weather briefing (CDR, PLT, MS2)
       10:24 a.m.  Don launch and entry suits (MS1, MS3, PS)
       10:34 a.m.  Don launch and entry suits (CDR, PLT, MS2)
      *10:50 a.m.  Suit up photo
      *11:04 a.m.  Depart for launch pad 39B
      *11:34 a.m.  Arrive at white room and begin ingress
      *12:49 p.m.  Close crew hatch
      * 2:19 p.m.  Launch
      

      *Televised events (times may vary slightly)
      All times Eastern

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