Analysis of information sources in references of the Wikipedia article "Cabin pressurization" in English language version.
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: CS1 maint: numeric names: authors list (link)On an airplane, barotrauma to the ear – also called aero-otitis or barotitis – can happen as the plane descends for landing.
The P210 wasn't the first production pressurized single engine aircraft, but it was definitely the first successful one.
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