Southwest Airlines flight diverted to Denver after pressurization problem

© Reuters/Lucy Nicholson
Southwest Airlines planes are seen in front of the Las Vegas strip, Nevada, United States on April 23, 2015.

    
A Southwest Airlines flight, traveling from Las Vegas to Milwaukee, was diverted to Denver late Friday, because of a pressurization problem. The latest incident follows Wednesday's emergency landing by a SkyWest Airlines flight, traveling from Chicago to Connecticut, after three passengers fell unconscious due to suspected pressurization problems.

Flight 100, with 175 passengers and six crew members on board, was diverted after flying for about 90 minutes. The passengers were evaluated after the plane landed, without any incident. The Denver Fire Department responded to gate C27 at the Denver International Airport (DIA) to assist the evacuation of the plane. Company officials said only one passenger required medical assistance.

The airline said the flight to Milwaukee will continue and the passengers will be accommodated in another aircraft set to arrive about two hours late.

"Flight #100 from Las Vegas to Milwaukee diverted to Denver due to a pressurization issue. The flight with six crew and 175 passengers landed safely at Denver at 8:30 p.m. local time. The Boeing 737 -800 aircraft will be taken out of service and inspected, and we'll accommodate the flight to Milwaukee with another aircraft, scheduled to arrive about two hours late. We have a report of one passenger injury due to a fall while deplaning the aircraft. The remaining passengers will continue to Milwaukee," the company said in a statement, according to .

DIA spokeswoman Laura Coale, said, according to the : "There were patients that requested medical attention, but only one person has been transported for care, and that was due to a slip and fall," adding: "All passengers have been evaluated. No more medical attention is required."

Dean Fox, a passenger on the flight, said, according to : "It was a scary experience, but the flight crew was very calm and professional, and the captain made a couple announcements after we got to a lower altitude. The [oxygen] masks did not deploy. Only a few [passengers] had reactions to the rapid pressure change."


Comment: Last week it was reported that the SkyWest Airlines flight, traveling from Chicago to Connecticut, Flight 5622, descended rapidly from an altitude of over 28,000 feet to 10,000 feet in a few minutes and had to make an emergency landing at Buffalo Niagara International Airport. However, an investigation into the incident later found that there was no problem in cabin pressure and that the oxygen masks did not release. A passenger Frank Angelo said the plane went into a "nosedive" and the "airplane was shaking."

So what caused this dramatic descent?

Recently a cargo plane, Carson Air Flight 66, crashed in Vancouver's North Shore Mountains following an "uncontrolled descent". According to Transportation Safety Board investigator Bill Yearwood:

"The radar track showed a very steep descent," he said. "The crew did not call, declare an emergency or have any stress, which gives us an idea that whatever happened, happened suddenly. The radar track gives us information on how fast it was descending ... and that is consistent with uncontrolled flight."

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