STS-61-C: Difference between revisions

STS-61-C
	Satcom-K1 is deployed from Columbia's payload bay.
Names	Space Transportation System-24
Mission type	Satellite deployment; Microgravity research
Operator	NASA
COSPAR ID	1986-003A
SATCAT no.	16481
Mission duration	6 days, 2 hours, 3 minutes, 51 seconds
Distance travelled	4,069,481 km (2,528,658 mi)
Orbits completed	98
Spacecraft properties
Spacecraft	Space Shuttle Columbia
Launch mass	116,121 kg (256,003 lb)
Landing mass	95,325 kg (210,156 lb)
Payload mass	14,724 kg (32,461 lb)
Crew
Crew size	7
Members	Robert L. Gibson; Charles Bolden; George Nelson; Steven Hawley; Franklin Chang-Díaz; Bill Nelson; Robert J. Cenker;
Start of mission
Launch date	January 12, 1986, 11:55:00 UTC (6:55 am EST)
Launch site	Kennedy, LC-39A
Contractor	Rockwell International
End of mission
Landing date	January 18, 1986, 13:58:51 UTC (5:58:51 am PST)
Landing site	Edwards, Runway 22
Orbital parameters
Reference system	Geocentric orbit
Regime	Low Earth orbit
Perigee altitude	331 km (206 mi)
Apogee altitude	338 km (210 mi)
Inclination	28.45°
Period	91.20 minutes
Instruments
	Comet Halley Active Monitoring Program (CHAMP); Getaway Special (GAS) canisters; Shuttle Infrared Leeside Temperature Sensing (SILTS); Shuttle Student Involvement Program (SSIP);
	; STS-61-C mission patch; ; Standing: Nelson, Hawley and Nelson; Seated: Cenker, Bolden, Gibson and Chang-Díaz Space Shuttle program ← STS-61-B (23) STS-51-L (25) →

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STS-61-C was the 24th mission of NASA's Space Shuttle program, and the seventh mission of Space Shuttle Columbia. It was the first time that Columbia, the first space-rated Space Shuttle orbiter to be constructed, had flown since STS-9. The mission launched from Florida's Kennedy Space Center on January 12, 1986, and landed six days later on January 18, 1986. STS-61-C's seven-person crew included the first Costa Rican-born astronaut, Franklin Chang-Díaz, the second African-American shuttle pilot, Charles Bolden, and the second sitting politician to fly in space, Rep. Bill Nelson (D-FL). Both Bolden and Nelson would also later go on to become Administrators of NASA. STS-61-C was the last shuttle mission before the Space Shuttle Challenger disaster, which occurred ten days after STS-61-C's landing.

Crew


Position	Astronaut
Commander	Robert L. Gibson Second spaceflight
Pilot	Charles Bolden First spaceflight
Mission Specialist 1	George Nelson Second spaceflight
Mission Specialist 2 Flight Engineer	Steven Hawley Second spaceflight
Mission Specialist 3	/ Franklin Chang-Díaz First spaceflight
Payload Specialist 1	Bill Nelson (U.S. Rep. D-FL) Only spaceflight Congressional observer
Payload Specialist 2	Robert J. Cenker Only spaceflight Sponsor: RCA
Nelson was a Democratic Representative from Florida acting as a congressional observer. He was the second sitting member of Congress in space. Senator Jake Garn (R-UT) had previously flown on STS-51-D in the prior year.

Backup crew
Position	Astronaut
Payload Specialist 2	Gerard E. Magilton Sponsor: RCA

Crew seat assignments

Seat^[1]	Launch	Landing	Seats 1–4 are on the flight deck. Seats 5–7 are on the mid-deck.
1	Gibson
2	Bolden
3	G. Nelson	Chang-Díaz
4	Hawley
5	Chang-Díaz	G. Nelson
6	B. Nelson
7	Cenker

Mission background

Attempt	Planned	Result	Turnaround	Reason	Decision point	Notes
1	18 Dec 1985, 7:00:00 am	Scrubbed	—	Weather		Technicians needed additional time to close out the orbiter's aft compartment.^[2]
2	19 Dec 1985, 7:55:00 am	Scrubbed	1 day 0 hours 55 minutes	Technical	18 Dec 1985, 7:54 am (T−00:00:14)	The right SRB's Hydraulic Power Unit displayed an out-of-tolerance turbine reading.
3	6 Jan 1986, 7:05:00 am	Scrubbed	17 days 23 hours 10 minutes	Technical	6 Jan 1986, 7:04 am (T−00:00:31)	Countdown was held at T−02:55 due to a LOX fill and drain valve not closing.^[3]^{[page needed]} The countdown stopped at T−31 seconds when a liquid oxygen replenish valve failed to close.^[4]
4	7 Jan 1986, 7:05:00 am	Scrubbed	1 day 0 hours 0 minutes	Weather	7 Jan 1986, 9:33 am (T−00:09:00 hold)	Bad weather at transoceanic abort landing sites.^[5]
5	9 Jan 1986, 7:05:00 am	Scrubbed	2 days 0 hours 0 minutes	Technical	8 Jan 1986, 7:05 am	Problem with SSME prevalve.^[6]
6	10 Jan 1986, 6:55:00 am	Scrubbed	0 days 23 hours 50 minutes	Weather	10 Jan 1986, 8:45 am (T−00:09:00 hold)	Heavy rainfall in KSC area.^[7]
7	12 Jan 1986, 6:55:00 am	Success	2 days 0 hours 0 minutes			Total turnaround time 25 days.^[2]

STS-61-C saw Columbia return to flight for the first time since the STS-9 mission in November 1983, after having undergone major modifications over the course of 18 months by Rockwell International in California. Most notable of these modifications was the addition of the SILTS (Shuttle Infrared Leeside Temperature Sensing) pod atop Columbia's vertical stabilizer, which used an infrared camera to observe reentry heating on the shuttle's left wing and part of its fuselage. The camera was only used for a few more missions after STS-61-C, but the pod remained on Columbia for the remainder of its operational life. Smaller and more discreet modifications were also added at various points throughout the shuttle. The bulky ejection seats, which had been disabled after STS-4, were replaced with conventional seats and head-up displays for the commander and pilot were installed.^[8]

The launch was originally scheduled for December 18, 1985, but the closeout of an aft orbiter compartment was delayed, and the mission was rescheduled for the following day. However, on December 19, 1985, the countdown was stopped at T−14 seconds due to an out-of-tolerance turbine reading on the right SRB's hydraulic system. Another launch attempt, on January 6, 1986,^[9] was terminated at T−31 seconds because of a problem in a valve in the liquid oxygen system. The countdown was recycled to T−20 minutes for a second launch attempt on the same day, but was held at T−9 minutes, and then scrubbed as the launch window expired.^[10] Another attempt was made on January 7, 1986, but was scrubbed because of bad weather at contingency landing sites at Dakar, Senegal, and Morón de la Frontera, Spain; yet another attempt, on January 9, 1986, was delayed because of a problem with a main engine prevalve, and on January 10, 1986, heavy rainfall in the launch area led to another scrub.^[2]

Mission summary

After four unsuccessful launch attempts,^[11] Columbia launched successfully from Kennedy Space Center at 6:55:00 a.m. EST on January 12, 1986. There were no significant anomalies reported during the launch.

The primary objective of the mission was to deploy the Satcom-K1 communications satellite, second in a planned series of geosynchronous satellites owned and operated by RCA Americom; the deployment was successful. Columbia also carried a large number of small scientific experiments, including 13 Getaway Special (GAS) canisters devoted to investigations involving the effect of microgravity on materials processing, seed germination, chemical reactions, egg hatching, astronomy, atmospheric physics, and an experiment designed by Ellery Kurtz and Howard Wishnow of Vertical Horizons* to determine the effects of the space environment on fine arts materials and original oil paintings, flying four of Kurtz's paintings into space. It also carried the Materials Science Laboratory-2 structure for experiments involving liquid bubble suspension by sound waves, melting and resolidification of metallic samples and container-less melting and solidification of electrically conductive specimens. Another small experiment carrier located in the payload bay was the Hitchhiker G-1 (HHG-1), which carried three experiments to study film particles in the orbiter environment, test a new heat transfer system and determine the effects of contamination and atomic oxygen on ultraviolet optics materials, respectively. There were also four in-cabin experiments, three of them part of the Shuttle Student Involvement Program. The shuttle carried an experiment called the Comet Halley Active Monitoring Program (CHAMP), consisting of a 35 mm (1.4 in) camera intended to photograph Halley's Comet through the aft flight deck overhead window. This experiment proved unsuccessful because of battery problems.

According to Bolden, in addition to deploying the RCA satellite, Cenker operated a classified experiment for the United States Air Force during the mission. Bolden was only told that it was a prototype for an infrared imaging camera.^[11]

STS-61-C was originally scheduled to last seven days, but NASA decided to end it after four because its delays had delayed the next flight, STS-51-L.^[11] It was rescheduled to land on January 17, 1986, but this was brought forward by one day. However, the landing attempt on January 16, 1986, was canceled because of unfavorable weather at Edwards Air Force Base. Continued bad weather forced another wave-off the following day. The flight was extended one more day to provide for a landing opportunity at Kennedy Space Center on January 18, 1986 – this was in order to avoid time lost in an Edwards Air Force Base landing and turnaround. However, bad weather at the KSC landing site resulted in yet another wave-off.

Columbia finally landed at Edwards Air Force Base on its fifth landing attempt^[11] at 5:59:51 a.m. PST, on January 18, 1986. The mission lasted a total of 6 days, 2 hours, 3 minutes, and 51 seconds. STS-61-C was the last successful Space Shuttle flight before the Challenger disaster, which occurred on January 28, 1986, only 10 days after Columbia's return. Accordingly, commander Gibson later called the STS-61-C mission "The End of Innocence" for the Shuttle Program.^[12]

Nelson, the Florida congressman, had hoped to receive a Florida orange after landing in the state. The personnel at Edwards greeted the crew with what Bolden described as a "basket of California oranges and grapefruits".^[11]

Wake-up calls

NASA began a tradition of playing music to astronauts during the Project Gemini, and first used music to wake up a flight crew during Apollo 15. Each track is specially chosen, often by the astronauts' families, and usually has a special meaning to an individual member of the crew, or is applicable to their daily activities.^[13]

Flight Day	Song	Artist/Composer
Day 2	"Liberty Bell March"	John Philip Sousa
Day 3	"Heart of Gold"	Neil Young
Day 4	"Stars and Stripes Forever"	John Philip Sousa

Gag photo

During the same session as the official crew photo, the NASA photographer took a gag photo of the STS-61-C crew with their heads and faces obscured by their helmets and visors.

References

^ "STS-61C". Spacefacts. Retrieved February 26, 2014.
^ ^a ^b ^c Legler, Robert D.; Bennett, Floyd V. (September 1, 2011). "Space Shuttle Missions Summary" (PDF). Scientific and Technical Information (STI) Program Office. NASA. pp. 2–25. NASA/TM–2011–216142. Archived (PDF) from the original on October 21, 2020. This article incorporates text from this source, which is in the public domain.
^ Mullane, Mike (2006). Riding Rockets: The Outrageous Tales of a Space Shuttle Astronaut. New York City, New York: Charles Scribner's Sons. ISBN 978-0743296762.
^ "Columbia Experiences Second Last-Minute Postponement". Observer–Reporter. January 7, 1986. p. A-3. Retrieved October 29, 2024 – via Google News.
^ "Columbia Launch Delayed 5th Time". Observer–Reporter. January 8, 1986. p. A-7. Retrieved October 29, 2024 – via Google News.
^ "Shuttle Launch Scrubbed". Observer–Reporter. January 8, 1986. p. D-1. Retrieved October 29, 2024 – via Google News.
^ "Rainstorm Forces Seventh Delay Of Shuttle Launch". Observer–Reporter. January 11, 1986. p. B-4. Retrieved October 29, 2024 – via Google News.
^ "STS-61C Press Kit" (PDF). NASA. Retrieved November 28, 2012. This article incorporates text from this source, which is in the public domain.
^ "Space Shuttle Is Set For Monday Lift-Off". Observer–Reporter. January 6, 1986. p. A-2. Retrieved October 29, 2024 – via Google News.
^ Some Trust in Chariots: The Space Shuttle Challenger Experience
^ ^a ^b ^c ^d ^e Bolden, Charles F. (January 6, 2004). "Charles F. Bolden". NASA Johnson Space Center Oral History Project (Interview). Interviewed by Johnson, Sandra; Wright, Rebecca; Ross-Nazzal, Jennifer. Houston, Texas. Retrieved January 6, 2014. This article incorporates text from this source, which is in the public domain.
^ Evans, Ben (January 11, 2014). "Mission 61C: The Original 'Mission Impossible' (Part 1)". americaspace.com. Retrieved February 28, 2017.
^ Fries, Colin (June 25, 2007). "Chronology of Wakeup Calls" (PDF). NASA. Archived from the original (PDF) on December 20, 2023. Retrieved August 13, 2007. This article incorporates text from this source, which is in the public domain.

External links

NASA mission summary Archived March 30, 2009, at the Wayback Machine
STS-61C Video Highlights Archived December 10, 2016, at the Wayback Machine
[1]

[1] "STS-61C". Spacefacts. Retrieved February 26, 2014.

[STIsummary-2] Legler, Robert D.; Bennett, Floyd V. (September 1, 2011). "Space Shuttle Missions Summary" (PDF). Scientific and Technical Information (STI) Program Office. NASA. pp. 2–25. NASA/TM–2011–216142. Archived (PDF) from the original on October 21, 2020. This article incorporates text from this source, which is in the public domain.

[Mullane_2006-3] Mullane, Mike (2006). Riding Rockets: The Outrageous Tales of a Space Shuttle Astronaut. New York City, New York: Charles Scribner's Sons. ISBN 978-0743296762.

[4] "Columbia Experiences Second Last-Minute Postponement". Observer–Reporter. January 7, 1986. p. A-3. Retrieved October 29, 2024 – via Google News.

[5] "Columbia Launch Delayed 5th Time". Observer–Reporter. January 8, 1986. p. A-7. Retrieved October 29, 2024 – via Google News.

[6] "Shuttle Launch Scrubbed". Observer–Reporter. January 8, 1986. p. D-1. Retrieved October 29, 2024 – via Google News.

[7] "Rainstorm Forces Seventh Delay Of Shuttle Launch". Observer–Reporter. January 11, 1986. p. B-4. Retrieved October 29, 2024 – via Google News.

[8] "STS-61C Press Kit" (PDF). NASA. Retrieved November 28, 2012. This article incorporates text from this source, which is in the public domain.

[9] "Space Shuttle Is Set For Monday Lift-Off". Observer–Reporter. January 6, 1986. p. A-2. Retrieved October 29, 2024 – via Google News.

[10] Some Trust in Chariots: The Space Shuttle Challenger Experience

[bolden20040106-11] Bolden, Charles F. (January 6, 2004). "Charles F. Bolden". NASA Johnson Space Center Oral History Project (Interview). Interviewed by Johnson, Sandra; Wright, Rebecca; Ross-Nazzal, Jennifer. Houston, Texas. Retrieved January 6, 2014. This article incorporates text from this source, which is in the public domain.

[OMI-Pt1-12] Evans, Ben (January 11, 2014). "Mission 61C: The Original 'Mission Impossible' (Part 1)". americaspace.com. Retrieved February 28, 2017.

[chronology-13] Fries, Colin (June 25, 2007). "Chronology of Wakeup Calls" (PDF). NASA. Archived from the original (PDF) on December 20, 2023. Retrieved August 13, 2007. This article incorporates text from this source, which is in the public domain.

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v t e Space Shuttle Columbia (OV-102)
Flights	STS-1 STS-2 STS-3 STS-4 STS-5 STS-9 STS-61-C STS-28 STS-32 STS-35 STS-40 STS-50 STS-52 STS-55 STS-58 STS-62 STS-65 STS-73 STS-75 STS-78 STS-80 STS-83 STS-94 STS-87 STS-90 STS-93 STS-109 STS-107
Status	Out of service: Columbia disaster (destroyed) 1 February 2003 (STS-107)
Related	Columbia Accident Investigation Board STS-61-E STS-61-H STS-144 Columbia Memorial Space Center Columbia Hills (Mars) "Countdown" (1982 song) Hail Columbia (1982 documentary) Columbia: The Tragic Loss (2004 documentary)

v t e ← 1985 Orbital launches in 1986 1987 →
January	Shiyong Tongbu Tongxin Weixing 1 Kosmos 1729 Kosmos 1730 Kosmos 1731 USA-15, USA-16, USA-17, USA-18 Kosmos 1732 Yuri 2b Mir / Core Kosmos 1733 SPOT-1, Viking Kosmos 1734 Kosmos 1735 STS-51-L (TDRS-B, SPARTAN-203)
February	Soyuz T-15 Progress 25 Kosmos 1736 Kosmos 1737 Unnamed GStar-2, Brasilsat A2
March	Kosmos 1738 Kosmos 1739 Kosmos 1740 Kosmos 1741 KH-9 No.1220, Pearl Ruby Molniya-3 No.43 Progress 26
April	GOES-G Kosmos 1742 Kosmos 1743 Soyuz TM-1 Kosmos 1744 Kosmos 1745 Ekran No.30L Meteor-2 No.18 Kosmos 1746 Kosmos 1747 Intelsat VA F-14
May	Kosmos 1748, Kosmos 1749, Kosmos 1750, Kosmos 1751, Kosmos 1752, Kosmos 1753, Kosmos 1754, Kosmos 1755 Kosmos 1756 Gorizont No.24L Kosmos 1757 Kosmos 1758 Kosmos 1759 Kosmos 1760 Molniya-3 No.44
June	Kosmos 1761 Kosmos 1762 Kosmos 1763 Kosmos 1764 Kosmos 1765 Kosmos 1766 Kosmos 1767 Molniya-1 No.59
July	Kosmos 1768 Kosmos 1769 Kosmos 1770 Ajisai, Fuji 1a, Jindai Kosmos 1771 Kosmos 1772 Kosmos 1773 Kosmos 1774
August	Kosmos 1775 Kosmos 1776 Molniya-1 No.57 USA-19 Kosmos 1777 Kosmos 1778, Kosmos 1779, Kosmos 1780 Kosmos 1781 NOAA-10 Kosmos 1782
September	Kosmos 1783 Fanhui Shi Weixing 9 Kosmos 1784 Unnamed Kosmos 1785 Molniya-3 No.41 Kosmos 1786 Kosmos 1787 Gran' No.30L Kosmos 1788 Kosmos 1789
October	Kosmos 1790 Kosmos 1791 Kosmos 1792 Polar Bear Molniya-1 No.60 Gorizont No.22L Kosmos 1793 Kosmos 1794, Kosmos 1795, Kosmos 1796, Kosmos 1797, Kosmos 1798, Kosmos 1799, Kosmos 1800, Kosmos 1801 Kosmos 1802 Mech-K No.303
November	Kosmos 1715 Kosmos 1716, Kosmos 1717, Kosmos 1718, Kosmos 1719, Kosmos 1720, Kosmos 1721, Kosmos 1722, Kosmos 1723 STS-61-C (Satcom K1) Kosmos 1724 Kosmos 1725 Kosmos 1726 Gran' No.29L Kosmos 1727 Kosmos 1728
December	Kosmos 1803 Kosmos 1804 USA-20 Kosmos 1805 Kosmos 1806 Kosmos 1807 Kosmos 1808 Kosmos 1809 Kosmos 1810 Molniya-1 No.62
Launches are separated by dots ( • ), payloads by commas ( , ), multiple names for the same satellite by slashes ( / ). Crewed flights are underlined. Launch failures are marked with the † sign. Payloads deployed from other spacecraft are (enclosed in parentheses).