Safety
Cabin humidifiers still subject of controversy
With ever larger numbers of ultra-long-range business jets taking to the skies, individual complaints about dry air in the cabin have grown to a chorus of

With ever larger numbers of ultra-long-range business jets taking to the skies, individual complaints about dry air in the cabin have grown to a chorus of demands for humidifiers. But while manufacturers would like to oblige, most have yet to come up with a system that is both airplane and people friendly.

Most cabin-environment specialists generally agree that for the health of the airplane, low or no humidity is best. Computers and avionics systems and corrosive metals like aridity. People don’t. They don’t find it particularly comfortable. More important, medical authorities agree that physical comfort is a minor inconvenience compared to the potential health hazards of an excessively dry environment, which may include:

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