MISSION: STS-89 -- 8th MIR DOCKING & SPACEHAB DM

STS-89 images

• VEHICLE: Endeavour/OV-105
• LOCATION: Launch Pad 39A
• TARGET KSC LAUNCH DATE/TIME: Jan. 22, 1998 with a preferred time of 9:48 p.m. EST
• LAUNCH WINDOW: 10 minute window (opens at 9:43 p.m. EST)
• MIR DOCKING DATE/TIME: Jan. 24 at about 3:12 p.m.
• MIR UNDOCKING DATE/TIME: Jan. 29 at about 11:52 a.m.
• TARGET KSC LANDING DATE/TIME: Jan. 31, 1998 at 5:36 p.m.
• MISSION DURATION: 8 days, 19 hours, 48 minutes
• CREW: Wilcutt, Edwards, Dunbar, Anderson, Reilly, Sharipov, Thomas (up), Wolf (down)
• ORBITAL ALTITUDE and INCLINATION: 160 nautical miles/51.6 degrees

NOTE: Preparations for the launch of Space Shuttle Endeavour on mission STS-89 are proceeding on schedule, with the 43-hour countdown scheduled to begin Monday at 7 p.m. The orbiter's hypergolic system pressurization is complete. Aft compartment close-outs and ordnance connections are in work and payload bay doors are slated for closure later today.

Today, Shuttle engineers will evaluate test data gathered from a hydraulic line for auxiliary power unit No. 3. Midbody and vertical payload close-outs are in work today and late SPACEHAB stow activities are slated for Sunday. An air conditioning unit will be installed in the double module on Sunday and a Russian motion control computer will be installed in the middeck early next week. Both items are slated for use on the Mir space station.

STS-89 SCHEDULED OPERATIONAL MILESTONES (dates are target only):

• SPACEHAB stow (Jan. 18)
• Launch countdown begins (Jan. 19 at 7 p.m.)
• Flight crew arrival (Jan. 19 at 3:30 p.m.)

MISSION: STS-90 -- NEUROLAB

• VEHICLE: Columbia/OV-102
• LOCATION: OPF bay 3
• TARGET KSC LAUNCH DATE/TIME: April 2, 1998 at 1:19 p.m.
• LAUNCH WINDOW: 2 hours, 30 minutes
• TARGET KSC LANDING DATE/TIME: April 18, l998 at 12:09 p.m.
• MISSION DURATION: 15 days, 21 hours, 50 minutes
• CREW: Searfoss, Atlman, Linnehan, Williams, Hire, Buckey, Pawelczyk
• ORBITAL ALTITUDE and INCLINATION: 150 nautical miles/39 degrees

NOTE: Columbia's power reactant storage and distribution system checks are complete and a 72-hour decay check is in work. Orbiter maneuvering system functional tests are nearing completion today. With checks of the main propulsion system regulator complete, workers will need to replace two leaky valves on the system. Replacement of payload bay floodlights No. 1 and No. 5 and aft flight deck reconfiguration continue.

STS-90 SCHEDULED OPERATIONAL MILESTONES (dates are target only):

• Tunnel adapter installation (Jan. 21)
• Payload premate test (Jan. 28)
• Payload installed into orbiter (Jan. 30)
• Shuttle main engine installation (Jan. 30)

MISSION: STS-91 -- 9th MIR DOCKING & SPACEHAB-SM

• VEHICLE: Discovery/OV-103
• LOCATION: OPF bay 2
• TARGET KSC LAUNCH DATE/TIME: May 28 at 8:33 p.m.
• LAUNCH WINDOW: 7-10 minutes
• TARGET KSC LANDING DATE/TIME: June 7 at about 12:17 a.m.
• MISSION DURATION: 9 days, 3 hours, 44 minutes
• CREW: Precourt, Gorie, Lawrence, Chang-Diaz, Kavandi, Thomas (down)
• ORBITAL ALTITUDE and INCLINATION: 160 nautical miles/51.6 degrees

NOTE: Work to remove Discovery's right-hand orbiter maneuvering system (OMS) pod is under way. The pod will then undergo a valve change-out in the Hypergol Maintenance Facility. Electrical connections for replaced fuel cell No. 2 are complete and tests of the fuel cell monitoring modifications are in work.

Work to install instrumentation that supports the new Super Lightweight External Tank continues and body flap corrosion repairs proceed on schedule.

STS-91 SCHEDULED OPERATIONAL MILESTONES (dates are target only):

• Fuel cell voltage test (Jan. 20)
• Remote manipulator system installed (Jan. 23)

Information about the countdown and mission can be accessed electronically via the Internet at: http://www.ksc.nasa.gov/shuttle/countdown/ and at http://shuttle.nasa.gov/