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Boeing won't fix leaky Starliner before flying first crew to ISS
Boeing won't fix leaky Starliner before flying first crew to ISS
by AFP Staff Writers
Washington (AFP) May 24, 2024

Boeing is set to launch its first crewed space mission in June without fixing a small helium gas leak on its troubled Starliner spaceship, officials said Friday.

The vessel, under development since 2010, has been plagued by technical problems and has yet to fulfill its purpose of ferrying astronauts to the International Space Station, allowing Boeing's rival SpaceX to zoom ahead with its Crew Dragon capsule.

Starliner was supposed to finally fly astronauts Butch Wilmore and Suni Williams to the orbital outpost on May 6, but the mission was scrubbed hours before lift-off after a faulty valve was discovered on the United Launch Alliance rocket carrying it.

Since then, additional issues came to light, including a helium leak in the spacecraft's service module, which houses the propulsion system.

But while the rocket valve has been replaced, Boeing and NASA have made the decision to fly to the ISS without replacing a shirt button-sized seal on a leaking joint, officials told reporters.

"We can handle this particular leak if that leak rate were to grow even up to 100 times," said Steve Stich, manager of NASA's Commercial Crew Program. Moreover, it impacts just one of a set of 28 thrusters used to control the spaceship's attitude, he added.

Instead, teams will monitor the leak during the hours before launch, scheduled for June 1 at 12:25 pm (1625 GMT) from Cape Canaveral Space Force Station in Florida.

Asked why Boeing wouldn't just replace the seal, Mark Nappi, the company's vice president for the commercial crew program, said the process would be "quite involved" and require taking apart Starliner at its factory.

Stich added that it wasn't unheard of to fly with leaks -- space shuttles encountered similar problems at times, "and we've had a couple of cases with Dragon where we've had a few small leaks as well," he added.

The much-delayed mission comes at a challenging time for Boeing, as a safety crisis engulfs the century-old aerospace titan's commercial aviation arm.

NASA is banking on Starliner's success in order to achieve its goal of certifying a second commercial vehicle to carry crews to the ISS, which it has sought since the last space shuttle flew in 2011.

A successful mission would help dispel the bitter taste left by numerous setbacks in the Starliner program.

In 2019, during a first uncrewed test flight, a software defect meant the capsule failed to rendezvous with the ISS. A second software bug could have caused a catastrophic collision between its modules, but was caught and fixed just in time.

Then in 2021, with the rocket on the launchpad for a new flight, blocked valves forced another postponement.

The vessel finally reached the ISS in May 2022 in a non-crewed launch. But other problems including weak parachutes and flammable tape in the cabin that needed to be removed caused further delays to the crewed test.

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First crewed Boeing Starliner flight delayed again
Washington (AFP) May 23, 2024
The first crewed launch of Boeing's Starliner spacecraft to the International Space Station has again been delayed, and June 1 is now a possible new liftoff date, NASA said Wednesday. The US space agency released a statement calling that day a launch opportunity and mentioning June 2, 5 and 6 as other possibilities so no day yet appears to be etched in stone. The postponement of the launch, which had been set for Saturday, marks the third delay this month for the highly anticipated mission, whic ... read more

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