What do they smell in the air on the plane?

Jet Fuel. The distinct smell inside commercial airplanes is often attributed to jet fuel. During flight, commercial airplanes burn a mixture of jet fuel and oxygen in their engines to produce propulsion. When jet fuel burns, it creates odorous vapors that may enter the cabin.



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American Airlines, one of the major carriers in the USA states, 'The airline reserves the right to refuse transport of a passenger, or have them removed from their flight at any point if they have an offensive odour not caused by a disability or illness'.

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Water salutes have been used to mark the retirement of a senior pilot or air traffic controller, the first or last flight of an airline to an airport, the first or last flight of a specific type of aircraft, as a token of respect for the remains of soldiers killed in action, or other notable events.

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Maximum Time
In the United States, airlines are not allowed to keep passengers on the tarmac for more than three hours on domestic flights and four hours on international flights without allowing them to disembark. After this time, the airline must either return to the gate or provide alternate transportation.

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“Feet wet” This phrase alerts air traffic controllers when a military aircraft, (usually a Navy carrier pilot), is flying over water, says Tom Haines, a private pilot and editor-in-chief of AOPA's Pilot magazine.

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Airline pilots take turns using the bathroom nearest the cockpit during a flight. There are no bathrooms installed in the cockpit. For airplanes with a single pilot, diapers, catheters, or collection devices are used if they are unable to land to use the airport bathroom.

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Bathroom cleanliness in-flight is handled by the flight attendant as well, who checks throughout the flight to ensure the lavatories are stocked and tidy.

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