Florida Humidity Grounded Starliner

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Key Takeaways:

  • Boeing's Starliner spacecraft experienced valve issues, likely caused by Florida's high humidity reacting with the fuel oxidizer, leading to corrosion that locked the valves.
  • This corrosion prevented the valves from functioning, causing a delay in the uncrewed test launch originally scheduled for August.
  • Boeing is exploring solutions such as adding heaters or desiccants to combat the moisture, while NASA remains confident that the issue will be resolved for future crewed flights.
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Boeing’s Starliner spacecraft’s valves may have frozen because they couldn’t handle Florida’s humidity, according to a report by United Press International. UPI quotes NASA and Boeing spokespeople as saying the famous Florida stickiness may have caused corrosion in the valves that kept them from functioning prior to a an uncrewed test launch of the capsule in August. The fuel oxidizer that flows through some of those valves apparently reacted to the humidity and the resulting corrosion locked up the valves.

“It was a humid time of year, in August,” Michelle Parker, Boeing’s chief engineer for space and launch systems, said. “We had looked at the humidity, and we’ve physically seen some evidence of condensation within the service module.” Boeing is reportedly looking at adding heaters to the valves or using desiccants to soak up the moisture to fix the problem. NASA spokesman Steve Stich said the agency remains confident Boeing will sort out the issue. “We have every confidence that Boeing will be flying crew soon,” he told UPI.

Russ Niles

Russ Niles is Editor-in-Chief of AVweb. He has been a pilot for 30 years and joined AVweb 22 years ago. He and his wife Marni live in southern British Columbia where they also operate a small winery.
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