Tag: FCV
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PRCB boosts FRR opportunity to approve March launch for STS-119
Members of a Special PRCB (Program Requirements Control Board) meeting on Wednesday have once again worked through a vast set of documentation, which concluded with positive results for STS-119’s Flow Control Valve (FCV) flight rationale, ahead of the ultimate launch date decision at Friday’s Flight Readiness Review (FRR). The presentations presented to the PRCB (all…
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PRCB boosts FRR opportunity to approve March launch for STS-119
Members of a Special PRCB (Program Requirements Control Board) meeting on Wednesday have once again worked through a vast set of documentation, which concluded with positive results for STS-119’s Flow Control Valve (FCV) flight rationale, ahead of the ultimate launch date decision at Friday’s Flight Readiness Review (FRR). The presentations presented to the PRCB (all…
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Progress made towards STS-119 flight rationale – March 11 NET possible
Engineers are scheduled to begin the installation of the three replacement Flow Control Valves (FCVs) into Discovery on Tuesday, following their arrival from Vacco. Meanwhile, managers are preparing to meet at Wednesday’s Special Program Requirements Control Board (PRCB) meeting, buoyed by encouraging data on the path towards flight rationale that may even allow for a…
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Progress made towards STS-119 flight rationale – March 11 NET possible
Engineers are scheduled to begin the installation of the three replacement Flow Control Valves (FCVs) into Discovery on Tuesday, following their arrival from Vacco. Meanwhile, managers are preparing to meet at Wednesday’s Special Program Requirements Control Board (PRCB) meeting, buoyed by encouraging data on the path towards flight rationale that may even allow for a…
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STS-119 replacement FCVs ready to ship in support of March launch
The major effort to facilitate a March launch for shuttle Discovery is continuing on a seven day week, as vendor Vacco prepare to ship the three replacement Flow Control Valves (FCVs) to the Kennedy Space Center (KSC) by Monday. Flight rationale is also being built ahead of next week’s crucial meetings. The effort involves almost…
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STS-119 replacement FCVs ready to ship in support of March launch
The major effort to facilitate a March launch for shuttle Discovery is continuing on a seven day week, as vendor Vacco prepare to ship the three replacement Flow Control Valves (FCVs) to the Kennedy Space Center (KSC) by Monday. Flight rationale is also being built ahead of next week’s crucial meetings. The effort involves almost…
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STS-119 targeting March 12 – pending PRCB and FRR meetings
The latest target for STS-119 is a short launch window, opening March 12, following a meeting between shuttle managers that confirmed the forward plan of replacing Discovery’s three Flow Control Valves (FCVs). A Program Requirements Control Board (PRCB) meeting, followed by a Flight Readiness Review (FRR), will take place early in March to confirm the…
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STS-119: March launch possible via FCV replacement and MPS protection
A launch of STS-119 prior to the Soyuz cut out in mid March remains on the cards, as managers prepare to meet on Wednesday for a launch date discussion. The meeting will also outline a plan to “beef up” the most vulnerable area of the MPS (Main Propulsion System) plumbing, which would reduce risk associating…
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STS-119: Managers delay launch indefinitely due to FCV concern
Shuttle managers have concluded the Delta Flight Readiness Review (FRR) – one of the longest in shuttle history – by failing to approve flight rationale due to concerns with the Flow Control Valves (FCVs). No launch date has been set, but February 27 is no longer the target. Teams will meet again on Wednesday to…
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STS-119 FRR touch and go for approving launch date
Another delay to STS-119’s NET (No Earlier Than) launch date is deemed a possible outcome of Friday’s Flight Readiness Review (FRR), with test results – some negative – still arriving on manager’s desks on Thursday. The main issue relates to more data being required on how a broken piece of Flow Control Valve (FCV) may…