Boeing Prepares for Next Crewed Starliner Launch Attempt on June 5th

The issue preventing Starliner’s June 1st launch was cited as a delay in one of the three main computers running the associated ULA Atlas rocket’s ground launch sequencer.

(Cape Canaveral, Florida) In the wake of its scrubbed June 1st launch, Boeing (NYSE: BA) is now planning the next launch attempt of its CST-100 Starliner mission on Wednesday, June 5th at 10:52 a.m. ET from Cape Canaveral Space Force Station in Florida, with a backup date of June 6 at 10:29 a.m. ET.

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Photo of United Launch Alliance's (ULA) Atlas V rocket at Cape Canaveral Space Force Station's Space Launch Complex-41 ahead of the next planned Boeing Starliner mission attempt on Wednesday, June 5th, courtesy of Boeing Space's account on X, @BoeingSpace.

The reason for the mission scrub this past Saturday - when Boeing’s Starliner spacecraft was set to launch to the International Space Station (ISS) aboard a United Launch Alliance (ULA) Atlas V rocket - was cited as a problem with ULA’s ground computer launch sequencer.

Per Florida Today, ULA Chief Executive Officer Tory Bruno explained during a post-scrub news briefing that there may specifically have been an issue with one of the function-specific cards linked to one of the three computers associated with ULA’s computer-based ground launch sequencer, which is separate from the launchpad. ULA’s computer system automatically controls parts of the Atlas rocket’s ground launch sequencer including valves, umbilicals, and other ground equipment in the final moments before launch.

Late on Saturday (June 1) evening following the scrubbed launch, ULA teams initially confirmed that a computer slowdown was responsible for the launch scrub as the result of a power supply issue, per Space Explored.

Reuters reported that NASA crews worked overnight to identify the issue with a ground power supply, removed the faulty power unit, and replaced it with a spare chassis.

Per Aviation Week, NASA shared in a mission update that “a full failure analysis of the power unit will be performed to better understand root cause. ULA has completed functional checkouts of the new chassis and the cards, and all hardware is performing normally."

The weather outlook for June 5th, when Strainer’s next launch attempt will be made, is expected to be favorable for launch with a 90% chance of acceptable launch conditions, according to Space News.

NASA and ULA shared that if the launch does not take place by June 6th, a 10-day stand down will be taken to replace expiring batteries and do other work on the rocket.

Boeing’s $4.2 billion dollar contract with NASA to build Starliner continues to record financial losses for the company totaling $1.47 billion and counting, according to CNBC, with annual losses ranging from $57 million in 2018 to $489 million in 2019, per Boeing’s annual reports.

Newsfeed: Monday, June 24, 2024