Tag: frr
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Atlantis due back at KSC Tuesday – STS-125 ET foam liberation event reviewed
Atlantis’ piggyback ride back to the Kennedy Space Center (KSC) is expected to come to a conclusion between 6pm and 6:30pm at the Shuttle Landing Facility (SLF). Meanwhile, managers have been reviewing the foam loss from STS-125’s External Tank (ET-130) as part of the STS-127 Flight Readiness Review (FRR). Atlantis Latest: With Atlantis riding on…
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ASA inspections and STS-125 IFAs lead STS-127 rationale debate
Endeavour remains on track for the setting of a June 13 or 14 launch date at next week’s Agency level Flight Readiness Review (FRR), despite the requirement for additional SSP (Space Shuttle Program) level evaluations. Several factors, including Atlantis’ In Flight Anomalies (IFAs) – notably the Aerosurface Servoamplifer (ASA) channel 1 fault – are still up…
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STS-125: Weekend work focusing on radiator repair ahead of launch countdown
Engineers will carry out the repair on Atlantis’ damaged port radiator over the weekend, as STS-125 pushes ever closer to the launch countdown for the mission to Hubble. Meanwhile, the issue relating to the Forward Reaction Control System (FRCS) F5R thruster issue on Discovery has been cleared on both Atlantis and Endeavour. Thursday’s Agency level…
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NASA reviews mission parameters for Hubble flight via FRR
With Space Shuttle Atlantis and her crew now less than two weeks away from launch on the highly anticipated fifth and final servicing mission to the Hubble Space Telescope, NASA managers are continuing their review of all critical elements of the mission ahead of the now planned May 11 launch date. Space Shuttle Program (SSP)…
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Processing on track for STS-125 as mission heads to FRR season and Sims
No issues are being worked on Atlantis at Pad 39A, as STS-125 continues to proceed towards launch in just over a month’s time. One crucial element for the May 12 launch is the replacement hardware that Atlantis will carry to the Hubble Space Telescope, with several days of mission content simulations taking place next week, …
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Pre-empting Hubble: MOD reviews STS-125/400 requirements
With Space Shuttle Atlantis undergoing her second round of pad processing for the much anticipated flagship mission to the Hubble Space Telescope in May, NASA managers continue to refine the complex ballet of procedures for STS-125 and its associated Launch On Need (LON) mission, STS-400 – with Endeavour on track for rollover to the VAB…
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FRR clears STS-119 for March 11 launch, pending SRB resolution
As expected, the Flight Readiness Review (FRR) has cleared Discovery to target a launch at 9:20pm on March 11, following a final review of the Flow Control Valve (FCV) flight rationale. One constraint – relating to the left SRB (Solid Rocket Booster) Range Safety System – will be worked over the weekend. Engineers will replace…
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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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Understanding the threats – FCV flight rationale effort outlined
Discovery’s processing flow at Pad 39A is continuing in part, in the hope the realigned NET (No Earlier Than) launch date of February 19 for STS-119 will not be further delayed. Minutes from the Agency level Flight Readiness Review (FRR) point to a huge amount of work being undertaken in order to achieve the requested…
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Agency FRR change to NET Feb 19 for STS-119 – pending FCV work
Pending work on outstanding issues, the Agency level Flight Readiness Review (FRR) have decided to aim for No Earlier Than (NET) February 19 as the STS-119 launch date, based on issues with the Flow Control Valves (FCV). Several items of interest are being looked at, mainly from the standpoint of flight rationale – which is expected to…