- \n
- STS-131 LIVE UPDATES<\/li>\n
- L2 STS-131 Special Section<\/li>\n
- Click here to Join L2<\/li>\n<\/ul>\n
The April 5 target adds around 10 days of contingency to the flow, meaning a delay to the February 22 rollover schedule would not begin to impact the latest launch date for some time.<\/p>\n
\u201cThe Shuttle and Station Programs met to discuss launch dates in light of the fact that Discovery has still not rolled over to the VAB for stacking (weather related issues) and can no longer meet the scheduled March 18 launch date,\u201d added the SSP (Space Shuttle Program) in an address acquired by L2.<\/p>\n
\u201cBased on continued cold weather trends and the Program decision to not launch during the dual-docked ops window, the decision was made move the STS-131 launch date to Monday April 5. An STS-131\/19A only PRCB (Program Requirements Control Board) Launch Date CR (Change Request) released moves the launch date from March 18 to Monday April 5.\u201d<\/p>\n
Space Technology
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![\"\"](\"https:\/\/www.nasaspaceflight.com\/wp-content\/uploads\/2010\/02\/A214.jpg\" "\\"A2\\"")
The slip holds several benefits for Discovery and her hardware, as more time is allowed for work to take place on installing additional sensors related to gaining data on the Main Engine Ignition (MEI) Acoustic and SSME (Space Shuttle Main Engine) Ignition Overpressure (IOP) Environments, and for additional plug pull tests on External Tank ET-135\u2019s intertank.<\/p>\n\u201cThe launch slip provides windows of opportunity for the following: Complete all ET plug pulls prior to orbiter mate. Complete all desired Pad calibrations\/validations during this Pad flow,\u201d confirmed the launch date slip memo. \u201cIncreased likelihood of obtaining MEI hardware from OV-105 (Endeavour) in time to support installation during STS-131 flow.\u201d<\/p>\n
Work on carrying out tests on the additional areas of the intertank \u2013 related to a number of foam loss events from this region during the last few flights \u2013 has already started, via the erection of access platforms in High Bay 3 (HB-3).<\/p>\n
\u201cET-135\/SRB BI-142 \/ RSRM 110 (VAB HB-3): Intertank Plug Pulls; Scaffolding installation is complete. Enclosure erecting, Plug pull layout and Intertank conditioning are all in work,\u201d noted processing information on the tank, which was due to have been mated with Discovery by last week.<\/p>\n
STS-132 Status:<\/p>\n
![\"\"](\"https:\/\/www.nasaspaceflight.com\/wp-content\/uploads\/2010\/02\/A315.jpg\" "\\"A3\\"")
In OPF-1 (Orbiter Processing Facility), Atlantis is being processing for her STS-132 mission that will be the 132nd flight of the Shuttle Program and the 34th shuttle flight dedicated to construction and outfitting of the International Space Station.<\/p>\nThe flight of Atlantis will utilize External Tank ET-136, Reusable Solid Rocket Motor set 111, Solid Rocket Booster BI set 143, and operational software OI-34.<\/p>\n
The primary payload for the mission is the Russian Mini-Research Module 1 (MRM-1) and Integrated Cargo Carrier \u2013 Vertical Lightweight Deployable (ICC-VLD) pallet. The MRM-1 will be mounted toward the aft of the payload bay while the ICC-VLD will be berthed in the center for both launch and reentry.<\/p>\n
Processing has been going to plan, with the installation of Atlantis\u2019 three Space Shuttle Main Engines (SSMEs) set to take place next Monday.<\/p>\n
\u201cOrbiter: OV-104 (OPF Bay 1): RMS (Remote Manipulator System) turnaround test was successfully completed. MPS (Main Propulsion System) Flow Control Valves (FCVs) installation and leak checks were completed Tuesday,\u201d noted NTD processing information.<\/p>\n
\u201cPreparations for SSME installation has begun; installation is set to start Monday. Trajectory Control Sensor (TCS) checkout performed Wednesday.\u201d<\/p>\n
Initially, MOD managers had noted that STS-132 would likely slip to June, based on STS-131\u2019s move to April and single pad turnaround operations.<\/p>\n
![\"\"](\"https:\/\/www.nasaspaceflight.com\/wp-content\/uploads\/2010\/02\/A411.jpg\" "\\"A4\\"")
However, STS-132\u2019s shuttle flight manager, Steve Gaylor, dismissed the slip, claiming they are very much on for May still \u2013 although they will only have six days to play with, given it takes 33 days to turnaround a pad, and only 39 days would separate STS-131 and STS-132 if Discovery launches on the first attempt.<\/p>\n(See updated screenshots from the latest FAWG all flights manifest (L2) showing slip to STS-131, no slip to STS-132 at this time).<\/p>\n
\u201cThe STS-132\/ULF4 launch date is not changing, and remains May 14. Please disregard any information of an STS-132 launch slip and press towards the May 14 launch date,\u201d noted Mr Gaylor in an address to his team, acquired by L2. \u201cAll major milestones remain unchanged; the Payload and Orbiter CEITs (Crew Equipment Interface Tests) are still scheduled for 3\/11 and 3\/12-13 respectively.\u201d<\/p>\n
STS-132 will have an opening window of six days, prior to an automatic 10 day standdown if that opportunity is missed. This is again based on the DDO constraint relating to the undocking and docking of two Soyuz vehicles. The second window ranges from May 30 to June 5. Later in the month, a Beta Angle Cutoff comes into effect between June 12 and July 1.<\/p>\n
\u201cThe Programs did decide to avoid Dual Docked Operations (DDO) for STS-132\/ULF4; this includes both the Soyuz 21S undocking and Soyuz 23S docking,\u201d added Mr Gaylor.<\/p>\n
\u201cWith that said, the STS-132\/ULF4 launch opportunities, avoiding DDO, are May 14-20 and May 30-June 5. These dates assume the current planned undocking and docking dates for 21S and 23S.\u201d<\/p>\n
Meanwhile, STS-132\u2019s tank remains on a good schedule to support STS-132, as it closes in on its shipping date from the Michoud Assembly Facility (MAF) in New Orleans.<\/p>\n
\u201cET-136: This tank is in Building 420. All nominal activities are in flow. There are three more BX sprays remaining. Critical Path\/All Systems testing (have begun),\u201d added ET processing information via the Shuttle Standup\/Integration report (L2).<\/p>\n
\u201cWork is in progress to install the nosecone. This is in preparation for a February 24 delivery date.\u201d<\/p>\n
L2 members<\/em> <\/em>: Documentation \u2013 from which the above article has quoted snippets \u2013 is available in full in the related L2 sections, now over 4500 gbs in size<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"
Despite STS-131\u2019s slip to April, managers are continuing to push forward with plans to launch Atlantis on STS-132 the following month, on May 14. Dependant on Discovery launching in early April, Atlantis will target two launch windows \u2013 with a Soyuz-related Dual Docked Operations (DDO) constraint sandwiched inbetween. STS-131 Status: Discovery\u2019s slip from her March […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":"","_links_to":"","_links_to_target":""},"categories":[2],"tags":[9184,3485],"class_list":["post-40864","post","type-post","status-publish","format-standard","hentry","category-news","tag-sts-131","tag-sts-132"],"acf":[],"_links":{"self":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/posts\/40864"}],"collection":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/comments?post=40864"}],"version-history":[{"count":0,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/posts\/40864\/revisions"}],"wp:attachment":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/media?parent=40864"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/categories?post=40864"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/tags?post=40864"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}