Aviation Glossary

A comprehensive glossary of aviation terms, acronyms, and technical jargon explained in plain language.

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Air Recirculation

The cabin system that filters and recycles a portion of cabin air, mixing it with fresh bleed or compressed air.

The service tiers offered on an aircraft, typically Economy, Premium Economy, Business, and First Class.

The regulated air pressure maintained inside the aircraft fuselage to keep passengers comfortable at cruise altitude.

The aircraft kitchen area where food, beverages, and cabin service items are stored, prepared, and served.

Audio, video, gaming, and connectivity systems available to passengers during flight.

Aircraft restroom facility using a vacuum-flush waste system operated at altitude.

Storage compartments above passenger seats used for carry-on luggage and personal items.

The maximum rearward tilt of a seat back from vertical, measured in degrees or inches of backward travel.

The fore-aft distance between a point on one seat and the same point on the seat in front.

The width of the seat cushion between armrests, measured in inches, as a critical comfort metric.