It came to our attention at the time as there was a great deal of speculation that it was a heat treat furnace which exploded. The Wichita-area economy has long been supported by aircraft manufacturing.Emergency medical services took 11 people to the hospital, one of them suffering potentially serious injuries, Dr. John Gallagher, director of Sedgwick County EMS, told a news conference.A liquid nitrogen explosion at a Textron Aviation plant near Wichita, Kansas, injured 11 people on Friday, potentially setting back the introduction of a new aircraft under development, county and company officials said.Got a confidential news tip? A liquid nitrogen explosion at a Textron Aviation plant near Wichita, Kansas, injured 11 people on Friday. Here are more articles you may enjoy.Get the insurance industry's trusted newsletterLiquid nitrogen in a pressurized vessel it referred to as Autoclave 8 built up and suffered a “catastrophic thermal fatigue failure.”In addition to the fine, OSHA says Textron must also develop and implement measures to “effectively control, discover, maintain and repair pressure vessels, including autoclaves.”U.S. Department of Labor’s Occupational Safety and Health Administration says Textron had a serious violation when it failed to protect employees from “autoclave explosion hazards” at the facility, KWCH-TV reports.The agency has proposed a $13,494 penalty for the violation.Thank you! Federal regulators have cited aircraft maker Textron Aviation for a December 2019 explosion that injured 15 workers at its Wichita, Kansas, manufacturing plant. The gas was not harmful, Wegner said.The SkyCourier, a utility turboprop under development, is due to enter service in 2020, Textron has previously said. Please tell us what we can do to improve this article.The blast at the Beechcraft aircraft manufacturing facility in Wichita, caused part of the building to collapse, authorities said. Back in late December 2019 Textron Aviation in Wichita, Kansas, US suffered a mammoth explosion. We want to hear from you.Get this delivered to your inbox, and more info about our products and services.Injuries were limited because a skeleton crew was on duty during the holidays, said Deputy Chief Daniel Wegner of the Sedgwick County Fire Department. The explosion in a 3-inch liquid nitrogen gas line also damaged a storage tank, causing nitrogen gas to vent out of the building, Wegner said.Damage was contained to Plant 3, a site for composite manufacturing and experimental aircraft fabrication including that of the SkyCourier, said Stephanie Harder, a spokeswoman for Textron.Data is a real-time snapshot *Data is delayed at least 15 minutes. The U.S. Department of Labor’s Occupational Safety and Health Administration (OSHA) has cited Textron Aviation for a December 2019 explosion that left 15 employees hurt. Harder said it was too early to determine what damage the prototype aircraft under production may have suffered.Sign up for free newsletters and get more CNBC delivered to your inboxTextron Aviation, a unit of Textron Inc, makes Beechcraft and Cessna aircraft. Global Business and Financial News, Stock Quotes, and Market Data and Analysis.News video from the scene showed what appeared to be a steam cloud billowing out of the damaged building. The explosion in a 3-inch liquid nitrogen … The Occupational Health and Safety Administration (OSHA) is proposing a $13,494 penalty against Textron Aviation for the Dec. 27, 2019 explosion at its east campus Plant 3 … Robert Baker had worked in the Wichita Textron Aviation plant only about a month before an explosion ripped through it Friday, sending 14 of his … As it turned out is was an autoclave with liquid nitrogen which bears a very close resemblance to a vacuum furnace.