Panic on SECOND American Airlines Flight as Mystery Fainting Illness Hits Passengers and Crew

Unnerved passengers feared for their lives after a plane was forced to make an emergency landing when passengers and crew passed out mid-flight.

The American Airlines flight, which was flying from Brazil to the United States, was travelling at a height of more than 30,000ft when three members of staff became ill.

This is the second time this week that the US airline has been forced to ground a plane as a result of a mystery illness on board .

According to reports, Flight 904 which left Rio de Janeiro for Miami around 11pm yesterday, but was forced to change direction and land in Brasilia, Brazil.

Four people complained of lightheadedness sparking fears there could be contaminated air on board. (Read more from “Panic on SECOND American Airlines Flight as Mystery Fainting Illness Hits Passengers and Crew” HERE)

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  • sandraleesmith46

    I’d start looking at pressurization. At altitude, the plane should be pressurized down to 7,000′, but if that’s not properly calibrated or the pressure is not holding, it would easily account for dizziness and/or fainting. Those up and moving around, ie cabin crew, would be most susceptible to a low oxygen environment. At 30,000′, the air is mighty thin, and people don’t breathe well that way. Even at 15,000′, many experience dizziness and/or fainting due to hypoxia.

    • Lack of oxygen does not trigger breathing. An increase in CO2 triggers breathing. i.e. lack of cabin pressure results in light headiness, weakness and usually a headache. Admittedly, one women was able to climb to the top of Mt. Everest [just over 29000 ft] without additional oxygen. A remarkable feat. Every increase in altitude of 18000 feet cuts atmospheric in half.

      • sandraleesmith46

        There are actually 2 triggers in breathing; an increase in CO2, OR a decrease in O2 levels, although the former is dysfunctional in persons with COPD, particularly emphysema, so that too much O2 will actually stop them breathing, or fail to trigger a need to breathe, more accurately. High altitude climbers like that usually train extensively for something like that Everest, before attempting it, with or without additional O2; people getting in a plane expect a breathable atmosphere, and generally aren’t prepared for that, if a leak or improper calibration of the system is at fault.