aviation terms to add to your vocabulary

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Bag tag

Also known as baggage tag, it contains an identification, origin, destination, flight number and the owner’s personal information. Every piece of luggage should have one.

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Mach

It’s the ratio of the speed of the aircraft to the speed of sound, which varies according to the altitude, pressure and humidity. It’s very important, as air behavior changes when the airplane approaches the speed of sound.

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UM (Unaccompanied Minor)

Children ages 5 to 12 that require assistance to travel alone.

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FAK (First Aid Kit)

Every airplane must have this kit. It can be used by the crew or by any passenger. The amount of FAKs available onboard depends on the plane’s size and capacity.

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Jetway

Known in Brazil as finger, it’s the movable bridge that connects the boarding gate and the aircraft. It facilitates boarding, as passengers don’t have to walk on the runway.