Current:Home > MarketsBoeing Starliner launch delayed to at least May 17 for Atlas 5 rocket repair-DB Wealth Institute B2 Reviews & Ratings
Boeing Starliner launch delayed to at least May 17 for Atlas 5 rocket repair
lotradecoin referral View Date:2024-12-25 16:00:51
After analyzing data following a launch scrub Monday, United Launch Alliance managers decided to haul the Atlas 5 rocket carrying Boeing's Starliner astronaut ferry ship back to its processing facility to replace a suspect valve, delaying another launch try to at least May 17, NASA said in a blog post Tuesday.
The new "no-earlier-than" launch target from Florida's Cape Canaveral Space Force Station — 6:16 p.m. EDT a week from Friday — will give engineers more time to carry out the valve repair while setting up a rendezvous with the International Space Station that fits into the U.S. Eastern Range launch schedule, which coordinates all rocket flights from the East Coast.
The Starliner, Boeing's long-delayed answer to SpaceX's Crew Dragon spacecraft, was grounded Monday just two hours before its planned launch on its first piloted test flight to the space station. On board were NASA astronauts Barry "Butch" Wilmore and Sunita Williams.
The culprit: a pressure relief valve in the rocket's Centaur upper stage liquid oxygen plumbing that failed to seat properly during the final stages of propellant loading. The valve repeatedly "chattered" as it attempted to seal, rapidly opening and closing so fast engineers at the launch pad reported an audible hum.
ULA engineers could have carried out a procedure to force the valve in place and likely would have done so for a normal satellite launch. But conservative flight rules in place for the Starliner flight ruled out any changes to the "fueled state" of the rocket while the astronauts were on board. As a result, the launch was scrubbed.
The valve in question was designed to "self regulate," opening and closing as needed to bleed off gaseous oxygen buildups in the Centaur's liquid oxygen tank. It was certified for 200,000 open-close cycles.
"The oscillating behavior of the valve during prelaunch operations ultimately resulted in mission teams calling a launch scrub on May 6," NASA said in a blog post. "After the ground and flight crew safely egressed from Space Launch Complex-41, the ULA team successfully commanded the valve closed and the oscillations were temporarily dampened.
"The oscillations then re-occurred twice during fuel removal operations. After evaluating the valve history, data signatures from the launch attempt and assessing the risks relative to continued use, the ULA team determined the valve exceeded its qualification and mission managers agreed to remove and replace the valve."
The ULA team plans to haul the Atlas 5 and its mobile launch platform back to the nearby Vertical Integration Facility on Wednesday. After the valve is replaced and tested, the rocket will be moved back to the pad for normal pre-launch preparations.
In the wake of the space shuttle's retirement, NASA funded development of two independently designed, built and operated crew transport craft, awarding a $4.2 billion contract to Boeing for its Starliner and a $2.6 billion contract to SpaceX for the company's Crew Dragon ferry ship.
The Starliner is years behind schedule after a series of technical problems that have cost Boeing more than $1 billion to correct. In the meantime, SpaceX's Crew Dragon has carried 50 astronauts, cosmonauts and civilians into orbit in 13 flights, 12 of them to the space station.
While Boeing has been under intense scrutiny in recent months because of problems with its 737 airliners, the Starliner program, while behind schedule, is a separate operation. The launch delay was not the result of any problem with Boeing hardware.
- In:
- Spacewalk
- International Space Station
- Space
- NASA
Bill Harwood has been covering the U.S. space program full-time since 1984, first as Cape Canaveral bureau chief for United Press International and now as a consultant for CBS News.
TwitterveryGood! (3397)
Related
- Family of man killed by Connecticut police officer files lawsuit, seeks federal probe of department
- Tennessee woman accused of trying to hire hitman to kill wife of man she met on Match.com
- Don't Miss This Kylie Cosmetics Flash Deal: Buy 1 Lip Kit, Get 1 Free
- Joran van der Sloot, prime suspect in Natalee Holloway case, to be transferred to U.S. custody from Peru this week
- What to stream: Post Malone goes country, Sydney Sweeney plays a nun and Madden 25 hits the field
- Apple event: What to know about its Vision Pro virtual reality headset release
- Trump attorneys meet with special counsel at Justice Dept amid documents investigation
- New 988 mental health crisis line sees jump in calls and texts during first month
- Usher concert postponed hours before tour opener in Atlanta
- Tennessee woman accused of trying to hire hitman to kill wife of man she met on Match.com
Ranking
- CPI report for July is out: What does latest data mean for the US economy?
- When does life begin? As state laws define it, science, politics and religion clash
- Pete Davidson Mourns Death of Beloved Dog Henry
- 75 Business Leaders Lobbied Congress for Carbon Pricing. Did Republicans Listen?
- Ryan Reynolds on his 'complicated' relationship with his dad, how it's changed him
- Fortune releases list of top 10 biggest U.S. companies
- Viski Barware Essentials Worth Raising a Glass To: Shop Tumblers, Shakers, Bar Tools & More
- Science Museums Cutting Financial Ties to Fossil Fuel Industry
Recommendation
-
Usher concert postponed hours before tour opener in Atlanta
-
New York's subway now has a 'you do you' mask policy. It's getting a Bronx cheer
-
Whatever happened to the Malawian anti-plastic activist inspired by goats?
-
How ESG investing got tangled up in America's culture wars
-
Efforts to return remains, artifacts to US tribes get $3 million in funding
-
Viski Barware Essentials Worth Raising a Glass To: Shop Tumblers, Shakers, Bar Tools & More
-
States Begin to Comply with Clean Power Plan, Even While Planning to Sue
-
Life Kit: How to 'futureproof' your body and relieve pain