Author Topic: This day in tech: Apollo 14 returns to Earth - February 9, 1971  (Read 785 times)

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Offline sisko

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Shepard back in space...

Crew
Alan B. Shepard Jr.
Commander

Edgar D. Mitchell
Lunar Module Pilot

Stuart A. Roosa
Command Module Pilot

Backup Crew
Eugene A. Cernan
Commander

Joe H. Engle
Lunar Module Pilot

Ronald E. Evans
Command Module Pilot

Payload
Kitty Hawk (CM-110)
Antares (LM-8)

Prelaunch Milestones
1/21/70 - S-IVB ondock at Kennedy
1/21/70 - S-II ondock at Kennedy
1/12/70 - S-IC ondock at Kennedy
5/6/70 - S-IU ondock at Kennedy

Launch
Jan. 31, 1971; 4:03 p.m. EDT
Launch Pad 39A
Saturn-V AS-509
High Bay 3
Mobile Launcher Platform-2
Firing Room 2

Orbit
Altitude: 118.55 miles
Inclination: 31.12 degrees
Orbits: 34 revolutions
Duration: nine days, two minutes
Distance: 1,150,321 miles
Lunar Location: Fra Mauro
Lunar Coordinates: 3.65 degrees south, 17.48 degrees west

Landing
Feb. 9, 1971
Pacific Ocean
Recovery Ship: USS New Orleans

Apollo 14 launched at 4:03 p.m. EST. At approximately 3:41 p.m. ground elapsed time, or GET, difficulties were experienced in docking with the lunar module, or LM, and six attempts were required before a "hard dock" was achieved. An in-flight televised inspection of the docking mechanism revealed no apparent reason for the malfunction and the system appeared to be functioning normally.

Prior to the powered descent initiation, or PDI, for the Antares landing, a short in the LM computer abort switch was discovered, which could have triggered an undesired abort during the LM's descent. On Feb. 5, Antares made the most precise landing to date, approximately 87 feet from the targeted landing point. The landing point coordinates were 3 degrees, 40 minutes, 27 seconds south and 17 degrees, 27 minutes, 58 seconds west, midway between the Doublet and Triplet craters in the hilly uplands of the Fra Mauro crater, and about 110 miles east of the Apollo 12 landing site.

Due to communications system problems, the first period of extra vehicular activity, or EVA, began almost one hour later than scheduled with Commander Alan Shepard setting foot on the lunar surface at 114 hours, 31 minutes GET. The first of the two EVA periods included ALSEP deployment and lasted four hours, 49 minutes.

The second EVA on Feb. 6 began when the LM egress hatch was opened at 4:15 a.m. EST. During this EVA, Shepard and Edgar Mitchell moved more than half a mile from their LM, conducting selenological investigations, collecting samples and attempting to reach the rim of Cone crater, approximately 300 feet above the landing site. NASA personnel monitoring the EVA estimate that the two astronauts were within 50 to 75 meters of the crater rim when they were advised by mission control to collect samples at that spot and begin their traverse back to the LM. The second EVA lasted four hours, 35 minutes, resulting in a new mark for EVA time by a lunar landing crew: nine hours, 24 minutes. Shepard set a new distance-traveled record on the lunar surface of approximately 9,000 feet.

During the two traverses, the astronauts collected 94 pounds of rocks and soil for return to Earth. The samples were scheduled to go to 187 scientific teams in the United States, as well as 14 other countries for study and analysis.

Orbital science activities were conducted by Stuart Roosa during the lunar surface activities period. He experienced some difficulties with the high-resolution, motion-compensating Hycon Lunar Topographic Camera while attempting to photograph the Descartes area, the landing site planned for Apollo 16.

The liftoff of Antares from the lunar surface took place precisely on schedule. Rendezvous and docking occured only two minutes later than scheduled. The command module Kitty Hawk splashed down safely in the Pacific Ocean at 4:05 p.m. EST Feb. 9, exactly nine days and two minutes after launch. The actual landing point was only 1.02 nautical miles off its targeted point of about 765 nautical miles south of Samoa, and four miles from the prime recovery ship, the USS New Orleans. The mission duration from liftoff to splashdown was 216 hours, two minutes.




 

Source: NASA
« Last Edit: February 17, 2011, 11:55:49 AM by sisko »
Anyone else feels like it's time to fix the faction graphics bug?

 

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