Encyclopedia Astronautica
STS-104



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STS-104
Credit: NASA
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STS-104
Credit: www.spacefacts.de - www.spacefacts.de
Crew: Gernhardt, Hobaugh, Kavandi, Lindsey, Reilly. ISS Assembly flight. Delivered Quest Airlock.

STS-104 was an American ISS Assembly shuttle flight with a crew of five American astronauts and a major space station module, the Quest Airlock. Orbiter OV-104 Atlantis main engine cutoff and external tank separation was at 0913 GMT. Atlantis was then in an orbit of 59 x 235 km x 51.6 deg. The OMS-2 burn at 0942 GMT increased velocity by 29 m/s and raised the orbit to 157 x 235 km x 51.6 deg and another burn at 1240 GMT raised it further to 232 x 305 km. Atlantis docked with the International Space Station at 0308 GMT on July 14. The main payload on STS-104 was the Quest Joint Airlock, built by Boeing/Huntsville. It consisted of an Equipment Lock for storage and the Crew Lock, based on the Shuttle airlock. The 13,872 kg payload consisted of:

  • Bay 1-2: Orbiter Docking System/External Airlock - 2160 kg including 3 EMU spacesuits
  • Bay 4-5: Spacelab Pallet (Fwd) with O2-1/O2-2 oxygen tanks - 2500 kg
  • Bay 6-7: Spacelab Pallet (Aft) with N2-1/N2-2 nitrogen tanks - 2500 kg
  • Bay 8-12: Station Joint Airlock Adapter beam (6064 kg) with IMAX Cargo Bay Camera (238 kg)
  • Sill: RMS arm - 410 kg
The Equipment Lock was berthed to the Unity module at one of the large-diameter CBM hatches. STS-104 then installed the Airlock onto the Unity module. In a series of spacewalks the astronauts moved the oxygen and nitrogen tanks onto the airlock exterior.

The six tonne Airlock consisted of two cylinders of four meters diameter and a total length six meters. The Airlock could be pressurized by the externally-mounted high pressure oxygen-nitrogen tanks, and was to be the sole unit through which all future EVAs were to take place. (Until that point, all EVA entries/exits had been through a Russian module in ISS, with non-Russians having to wear Russian space suits). Another payload was the "EarthKAM" of middle/high school interest. It was to allow pupils to command picture-taking of chosen spots on Earth; they were expected to target 2,000 spots. The shuttle also carried out pulsed exhaust tests during maneuvers to enable better understanding of the formation of HF echoes from the shuttle exhaust. The echoes were obtained by ground based radars in an experiment called SIMPLEX (Shuttle Ionospheric Modification with Pulsed Local EXhaust). The STS-104 crew returned to Atlantis on July 22, and undocked at 0455 GMT. After flying around the station they departed the vicinity at 0615 GMT. Atlantis landed at 0338:55 GMT on July 25, touching down at Kennedy Space Center runway 15.

AKA: Atlantis; ISS-7A.
First Launch: 2001.07.12.
Last Launch: 2001.07.25.
Duration: 12.77 days.

More... - Chronology...


Associated People
  • Reilly Reilly, Dr James Francis II 'JR' (1954-) American geologist mission specialist astronaut. Flew on STS-89, STS-104, STS-117. More...
  • Gernhardt Gernhardt, Dr Michael Landon (1956-) American engineer mission specialist astronaut. Flew on STS-69, STS-83, STS-94, STS-104. More...
  • Kavandi Kavandi, Dr Janet Lynn (1959-) American chemist mission specialist astronaut. Flew on STS-91, STS-99, STS-104. Chemist. More...
  • Lindsey Lindsey, Steven Wayne (1960-) American test pilot astronaut. Flew on STS-87, STS-95, STS-104, STS-121, STS-133. Grew up in Temple City, California. More...
  • Hobaugh Hobaugh, Charles Owen 'Scorch' (1961-) American test pilot astronaut. Flew on STS-104, STS-118, STS-129. US Marine Corps. More...

Associated Countries
Associated Spacecraft
  • Atlantis American manned spaceplane. 33 launches, 1985.10.03 to 2011.07.08. The space shuttle Atlantis was the fourth orbiter to become operational at Kennedy Space Center, and the last of the original production run. More...

See also
Associated Manufacturers and Agencies
  • NASA American agency overseeing development of rockets and spacecraft. National Aeronautics and Space Administration, USA, USA. More...
  • NASA Houston American agency overseeing development of rockets and spacecraft. Houston, Houston, USA. More...

Associated Programs
  • ISS Finally completed in 2010 after a torturous 25-year development and production process, the International Space Station was originally conceived as the staging post for manned exploration of the solar systrem. Instead, it was seemed to be the death knell of manned spaceflight. More...

Associated Launch Sites
  • Cape Canaveral America's largest launch center, used for all manned launches. Today only six of the 40 launch complexes built here remain in use. Located at or near Cape Canaveral are the Kennedy Space Center on Merritt Island, used by NASA for Saturn V and Space Shuttle launches; Patrick AFB on Cape Canaveral itself, operated the US Department of Defense and handling most other launches; the commercial Spaceport Florida; the air-launched launch vehicle and missile Drop Zone off Mayport, Florida, located at 29.00 N 79.00 W, and an offshore submarine-launched ballistic missile launch area. All of these take advantage of the extensive down-range tracking facilities that once extended from the Cape, through the Caribbean, South Atlantic, and to South Africa and the Indian Ocean. More...

STS-104 Chronology


2001 July 12 - .
  • STS-104 Mission Status Report #02 - . Nation: USA. Related Persons: Gernhardt; Helms; Hobaugh; Kavandi; Lindsey; Reilly; Voss. Program: ISS. Flight: ISS EO-2; STS-104. The five-member crew of the Space Shuttle Atlantis awoke to its first full day in space at 5:38 p.m. The crew was awakened by the song "Wallace Courts Murron" from the movie "Braveheart." The song, by James Horner, was played for Atlantis Pilot Charlie Hobaugh. The shuttle is en route to the International Space Station to deliver the station's new airlock, Quest, and is scheduled to dock with the station at 9:53 p.m. CDT Friday. Additional Details: here....

2001 July 12 - .
  • STS-104 Mission Status Report #01 - . Nation: USA. Related Persons: Gernhardt; Helms; Hobaugh; Kavandi; Lindsey; Reilly; Voss. Program: ISS. Flight: ISS EO-2; STS-104. Summary: The Space Shuttle Atlantis lifted off on time this morning at 4:04 a.m. Central from the Kennedy Space Center, FL, and, after a smooth climb to orbit, is now en route to deliver a new doorway to space to the International Space Station later this week.. Additional Details: here....

2001 July 12 - . 09:03 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC39B. LV Family: Shuttle. Launch Vehicle: Shuttle. LV Configuration: Space Shuttle STS-104.
  • STS-104 - . Call Sign: Atlantis. Crew: Lindsey; Hobaugh; Kavandi; Gernhardt; Reilly. Payload: Atlantis F24 / Quest. Mass: 117,127 kg (258,220 lb). Nation: USA. Related Persons: Lindsey; Hobaugh; Kavandi; Gernhardt; Reilly. Agency: NASA Houston. Manufacturer: Boeing. Program: ISS. Class: Manned. Type: Manned spaceplane. Flight: STS-104. Spacecraft: Atlantis. Duration: 12.77 days. Decay Date: 2001-07-25 . USAF Sat Cat: 26862 . COSPAR: 2001-028A. Apogee: 395 km (245 mi). Perigee: 378 km (234 mi). Inclination: 51.6000 deg. Period: 92.30 min. STS-104 was an American ISS Assembly shuttle flight with a crew of five American astronauts and a major space station module, the Quest Airlock. Orbiter OV-104 Atlantis main engine cutoff and external tank separation was at 0913 GMT. Atlantis was then in an orbit of 59 x 235 km x 51.6 deg. The OMS-2 burn at 0942 GMT increased velocity by 29 m/s and raised the orbit to 157 x 235 km x 51.6 deg and another burn at 1240 GMT raised it further to 232 x 305 km. Atlantis docked with the International Space Station at 0308 GMT on July 14. The main payload on STS-104 was the Quest Joint Airlock, built by Boeing/Huntsville. It consisted of an Equipment Lock for storage and the Crew Lock, based on the Shuttle airlock. The 13,872 kg payload consisted of:
    • Bay 1-2: Orbiter Docking System/External Airlock - 2160 kg including 3 EMU spacesuits
    • Bay 4-5: Spacelab Pallet (Fwd) with O2-1/O2-2 oxygen tanks - 2500 kg
    • Bay 6-7: Spacelab Pallet (Aft) with N2-1/N2-2 nitrogen tanks - 2500 kg
    • Bay 8-12: Station Joint Airlock Adapter beam (6064 kg) with IMAX Cargo Bay Camera (238 kg)
    • Sill: RMS arm - 410 kg
    The Equipment Lock was berthed to the Unity module at one of the large-diameter CBM hatches. STS-104 then installed the Airlock onto the Unity module. In a series of spacewalks the astronauts moved the oxygen and nitrogen tanks onto the airlock exterior.

    The six tonne Airlock consisted of two cylinders of four meters diameter and a total length six meters. The Airlock could be pressurized by the externally-mounted high pressure oxygen-nitrogen tanks, and was to be the sole unit through which all future EVAs were to take place. (Until that point, all EVA entries/exits had been through a Russian module in ISS, with non-Russians having to wear Russian space suits). Another payload was the "EarthKAM" of middle/high school interest. It was to allow pupils to command picture-taking of chosen spots on Earth; they were expected to target 2,000 spots. The shuttle also carried out pulsed exhaust tests during maneuvers to enable better understanding of the formation of HF echoes from the shuttle exhaust. The echoes were obtained by ground based radars in an experiment called SIMPLEX (Shuttle Ionospheric Modification with Pulsed Local EXhaust). The STS-104 crew returned to Atlantis on July 22, and undocked at 0455 GMT. After flying around the station they departed the vicinity at 0615 GMT. Atlantis landed at 0338:55 GMT on July 25, touching down at Kennedy Space Center runway 15.


2001 July 13 - .
  • STS-104 Mission Status Report #03 - . Nation: USA. Related Persons: Gernhardt; Helms; Hobaugh; Kavandi; Lindsey; Reilly; Voss. Program: ISS. Flight: ISS EO-2; STS-104. Summary: The crew of the Space Shuttle Atlantis spent its first full day in space closing in on the International Space Station and testing the space suits and other equipment that will be used later in the mission to install a new station airlock.. Additional Details: here....

2001 July 13 - .
  • STS-104 Mission Status Report #04 - . Nation: USA. Related Persons: Gernhardt; Helms; Hobaugh; Kavandi; Lindsey; Reilly; Voss. Program: ISS. Flight: ISS EO-2; STS-104. The crew of the Space Shuttle Atlantis was awakened at 3:04 p.m. CDT to the song "God of Wonders" by the group Caedmon's Call. On this, its third day in space, the five-member crew of Atlantis is focusing on a rendezvous and docking with the International Space Station around 9:53 p.m. Additional Details: here....

2001 July 14 - .
  • STS-104 Mission Status Report #05 - . Nation: USA. Related Persons: Gernhardt; Helms; Hobaugh; Kavandi; Lindsey; Reilly; Voss. Program: ISS. Flight: ISS EO-2; STS-104. Atlantis Commander Steve Lindsey smoothly docked the space shuttle with the International Space Station late Friday about 240 statute miles above the northeastern coast of South America. With both spacecraft moving at about 17,500 mph, Lindsey moved Atlantis to the station at a relative speed of about a tenth of a foot per second. Docking occurred at 10:08 p.m. CDT. Additional Details: here....

2001 July 14 - .
  • STS-104 Mission Status Report #06 - . Nation: USA. Related Persons: Gernhardt; Helms; Hobaugh; Kavandi; Reilly; Voss. Program: ISS. Flight: ISS EO-2; STS-104. The five-member crew of Atlantis will spend today working in concert with the Expedition Two crew aboard the International Space Station to install the station's new airlock - Quest. The installation of that airlock will take place as part of a seven-hour space walk by Mission Specialists Mike Gernhardt and Jim Reilly, scheduled to begin at 9:09 p.m. Central. Additional Details: here....

2001 July 15 - .
  • STS-104 Mission Status Report #08 - . Nation: USA. Related Persons: Gernhardt; Helms; Lindsey; Ross; Voss. Program: ISS. Flight: ISS EO-2; STS-104. Summary: The five-member crew of Atlantis will spend its fifth day in space working with the Expedition Two crew aboard the International Space Station to continue the activation of the station's new airlock, named Quest.. Additional Details: here....

2001 July 15 - .
  • STS-104 Mission Status Report #07 - . Nation: USA. Related Persons: Gernhardt; Helms; Hobaugh; Reilly; Voss. Program: ISS. Flight: ISS EO-2; STS-104. The International Space Station received a new airlock early Sunday, an addition that will permit spacewalks without a space shuttle docked to the station. The airlock, named Quest, can accommodate either Russian or U.S. spacesuits and brings the mass of the space station to about 130 tons. Additional Details: here....

2001 July 15 - . 03:07 GMT - .
  • EVA STS-104-1 - . Crew: Gernhardt; Reilly. EVA Type: Extra-Vehicular Activity. EVA Duration: 0.25 days. Nation: USA. Related Persons: Gernhardt; Reilly. Program: ISS. Class: Manned. Type: Manned spaceplane. Flight: STS-104. The astronauts removed thermal covers from the Quest airlock module. Handrails were installed on Quest and the oxygen and nitrogen tanks stored in the Spacelab pallets. The Station SSRMS arm grappled Quest, unberthed it from Atlantis, and docked it to the Unity module. Quest was firmly bolted to Unity's +X CBM at 0740 GMT and the astronauts returned to the airlock just over an hour later.

2001 July 16 - .
  • STS-104 Mission Status Report #10 - . Nation: USA. Related Persons: Gernhardt; Helms; Hobaugh; Kavandi; Lindsey; Reilly; Voss. Program: ISS. Flight: ISS EO-2; STS-104. The shuttle and station crews will spend today continuing to set up and test the newly attached Quest station airlock, troubleshooting a suspected leaky ventilation valve, and preparing for the mission's second and third space walks, planned for Tuesday and Thursday evening. Additional Details: here....

2001 July 16 - .
  • STS-104 Mission Status Report #09 - . Nation: USA. Related Persons: Gernhardt; Helms; Hobaugh; Kavandi; Lindsey; Reilly; Voss. Program: ISS. Flight: ISS EO-2; STS-104. Summary: Utilities for the International Space Station's newest addition were hooked up today as the Expedition Two and Atlantis crews prepared the station's new airlock, named Quest, for its first use later in the week.. Additional Details: here....

2001 July 17 - .
  • STS-104 Mission Status Report #12 - . Nation: USA. Related Persons: Gernhardt; Helms; Hobaugh; Kavandi; Reilly; Voss. Program: ISS. Flight: ISS EO-2; STS-104. The combined crews of the Space Shuttle Atlantis and the International Space Station will focus their efforts tonight on the mission's second spacewalk. During the 5½-hour spacewalk, scheduled to begin around 9:30 p.m., Atlantis Mission Specialists Mike Gernhardt and Jim Reilly will work with the Expedition Two crew in the installation of two high-pressure gas tanks on the station's new Quest airlock. Additional Details: here....

2001 July 17 - .
  • STS-104 Mission Status Report #11 - . Nation: USA. Related Persons: Gernhardt; Hobaugh; Kavandi; Lindsey; Reilly; Voss. Program: ISS. Flight: ISS EO-2; STS-104. Summary: Shuttle and station crews set aside work on a leaky ventilation valve and pressed forward with activation of the new Quest airlock and a dry run of the steps they'll use for the first space walk using the new station doorway to space.. Additional Details: here....

2001 July 18 - .
  • STS-104 Mission Status Report #14 - . Nation: USA. Related Persons: Gernhardt; Helms; Hobaugh; Kavandi; Lindsey; Reilly; Voss. Program: ISS. Flight: ISS EO-2; STS-104. Atlantis and International Space Station crews will continue the activation of the station's new Quest airlock this evening. They also will replace a leaky valve in an Intermodule Ventilation (IMV) Assembly in the station's Unity node. That valve, which is now capped, will be replaced by another valve from the U.S. laboratory Destiny. The Destiny valve will not be needed until the station's second node arrives no earlier than November 2003. Additional Details: here....

2001 July 18 - .
  • STS-104 Mission Status Report #13 - . Nation: USA. Related Persons: Gernhardt; Helms; Hobaugh; Kavandi; Lindsey; Reilly; Voss. Program: ISS. Flight: ISS EO-2; STS-104. Summary: Six arms worked together outside the International Space Station again today to install supply tanks for the new joint airlock, accomplishing a bonus oxygen tank installation during a 6 hour, 29 minute space walk.. Additional Details: here....

2001 July 18 - . 03:10 GMT - .
  • EVA STS-104-2 - . Crew: Gernhardt; Reilly. EVA Type: Extra-Vehicular Activity. EVA Duration: 0.27 days. Nation: USA. Related Persons: Gernhardt; Reilly. Program: ISS. Class: Manned. Type: Manned spaceplane. Flight: STS-104. The astronauts assisted in the installation of the oxygen and nitrogen tanks on the Quest module. The tanks, mounted on the Spacelab pallet, were grappled by the Station's SSRMS arm and moved to Quest one by one. Minor problems with valve configurations and recalcitrant connectors were overcome.

2001 July 19 - .
  • STS-104 Mission Status Report #15 - . Nation: USA. Related Persons: Gernhardt; Helms; Hobaugh; Kavandi; Lindsey; Reilly; Voss. Program: ISS. Flight: ISS EO-2; STS-104. Summary: Astronauts aboard the International Space Station complex successfully replaced a leaky air circulation valve and moved a hatch into position for the first space walk out of the new Quest airlock.. Additional Details: here....

2001 July 19 - .
  • STS-104 Mission Status Report #16 - . Nation: USA. Related Persons: Gernhardt; Helms; Hobaugh; Kavandi; Lindsey; Reilly; Voss. Program: ISS. Flight: ISS EO-2; STS-104. The eight Atlantis and International Space Station crewmembers will start their day with a dry run of a spacewalk from the station's new Quest airlock, completing their testing and activation of the airlock. Atlantis spacewalkers Mike Gernhardt and Jim Reilly, assisted by Pilot Charlie Hobaugh and Expedition Two Flight Engineer Jim Voss, will simulate spacewalk preparations beginning around 7 p.m. Additional Details: here....

2001 July 20 - .
  • STS-104 Mission Status Report #17 - . Nation: USA. Related Persons: Gernhardt; Helms; Hobaugh; Kavandi; Lindsey; Reilly; Voss. Program: ISS. Flight: ISS EO-2; STS-104. Summary: The two crews on board the International Space Station today completed checkout and activation of the new Quest airlock and conducted a dry run of the steps they will take before christening the newest station component.. Additional Details: here....

2001 July 20 - .
  • STS-104 Mission Status Report #18 - . Nation: USA. Related Persons: Gernhardt; Helms; Hobaugh; Lindsey; Reilly; Voss. Program: ISS. Flight: ISS EO-2; STS-104. Atlantis and International Space Station crewmembers will mark the 32nd anniversary of the first human steps on the moon tonight by completing another phase of station construction. Atlantis spacewalkers Mike Gernhardt and Jim Reilly will float out of the station's new Quest airlock around 11 p.m., completing airlock activation and marking the beginning of independent operations aboard the space station. Additional Details: here....

2001 July 21 - .
  • STS-104 Mission Status Report #20 - . Nation: USA. Related Persons: Culbertson; Dezhurov; Gernhardt; Helms; Hobaugh; Kavandi; Lindsey; Reilly; Tyurin; Voss. Program: ISS. Flight: ISS EO-2; STS-104. The crews of Atlantis and the International Space Station will bid one another farewell and close the hatches between the vehicles at about 9 p.m. on Saturday. Undocking is scheduled for 11:54 p.m., to be followed by an hour-long fly around of the station by Pilot Charlie Hobaugh. The final separation burn that will move Atlantis away from the station to begin its journey home is scheduled for 1:14 a.m. Sunday. Additional Details: here....

2001 July 21 - .
  • STS-104 Mission Status Report #19 - . Nation: USA. Related Persons: Gernhardt; Helms; Hobaugh; Lindsey; Reilly; Voss. Program: ISS. Flight: ISS EO-2; STS-104. Summary: The first space walk to originate from the International Space Station's new airlock, Quest, lasted 4 hours, 2 minutes, and established a higher degree of station independence in its own construction and maintenance.. Additional Details: here....

2001 July 21 - . 04:34 GMT - .
  • EVA STS-104-3 - . Crew: Gernhardt; Reilly. EVA Type: Extra-Vehicular Activity. EVA Duration: 0.17 days. Nation: USA. Related Persons: Gernhardt; Reilly. Program: ISS. Class: Manned. Type: Manned spaceplane. Flight: STS-104. Summary: The astronauts made the first spacewalk from the Quest module. Nitrogen Tank 3 was transferred from the forward Spacelab pallet to the exterior of Quest. The astronauts then climbed the P6 tower to inspect the solar arrays and the FPP experiment. .

2001 July 22 - .
  • STS-104 Mission Status Report #22 - . Nation: USA. Related Persons: Gernhardt; Hobaugh; Kavandi; Lindsey; Reilly. Program: ISS. Flight: ISS EO-2; STS-104. Summary: Atlantis crewmembers, Commander Steve Lindsey, Pilot Charlie Hobaugh and Mission Specialists Janet Kavandi, Mike Gernhardt and Jim Reilly, will spend their day preparing the spacecraft for its return to Earth Monday night.. Additional Details: here....

2001 July 22 - .
2001 July 23 - .
  • STS-104 Mission Status Report #23 - . Nation: USA. Related Persons: Gernhardt; Helms; Hobaugh; Kavandi; Lindsey; Reilly; Voss. Program: ISS. Flight: ISS EO-2; STS-104. Summary: With the equipment used during the 10th International Space Station assembly mission securely stowed and all systems needed for landing checked out and ready to go, Atlantis' crew went to bed at 7:04 a.m. CDT today.. Additional Details: here....

2001 July 23 - .
  • STS-104 Mission Status Report #24 - . Nation: USA. Related Persons: Gernhardt; Helms; Hobaugh; Kavandi; Lindsey; Reilly; Voss. Program: ISS. Flight: ISS EO-2; STS-104. Atlantis Commander Steve Lindsey, Pilot Charlie Hobaugh and Mission Specialists Janet Kavandi, Mike Gernhardt and Jim Reilly were awakened at 3:04 p.m. CDT to begin preparations for a return trip to Earth with a planned landing tonight at the Kennedy Space Center in Florida. The wakeup song was "Honey, I'm Home" by Shania Twain, played for Kavandi. Additional Details: here....

2001 July 24 - .
  • STS-104 Mission Status Report #26 - . Nation: USA. Related Persons: Gernhardt; Helms; Hobaugh; Kavandi; Lindsey; Reilly; Voss. Program: ISS. Flight: ISS EO-2; STS-104. "Hold Back the Rain" by Duran Duran was the wakeup song for Atlantis crewmembers about 2:30 p.m. CDT Tuesday. Houston's Mission Control Center told the astronauts that the weather appears to be excellent for a landing late tonight to wrap up their 13-day mission. Additional Details: here....

2001 July 24 - .
  • STS-104 Mission Status Report #27 - . Nation: USA. Related Persons: Gernhardt; Helms; Hobaugh; Kavandi; Lindsey; Reilly; Voss. Program: ISS. Flight: ISS EO-2; STS-104. Summary: Atlantis and its crew of five glided to a landing at Kennedy Space Center late Tuesday, ending a 5.3-million-mile mission that saw successful installation of the International Space Station's new airlock Quest.. Additional Details: here....

2001 July 24 - .
  • STS-104 Mission Status Report #25 - . Nation: USA. Related Persons: Gernhardt; Helms; Hobaugh; Kavandi; Lindsey; Reilly; Voss. Program: ISS. Flight: ISS EO-2; STS-104. Summary: Atlantis and its crew of five will spend at least one more day in orbit, after the weather in Florida refused to permit landing Monday night on either of two opportunities to Kennedy Space Center.. Additional Details: here....

2001 July 25 - .
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