On board North American aircraft, including low-cost, charter, and scheduled service airline carriers, the normally accepted minimum ratio of lavatories to passengers is approximately one lavatory for every 50 passengers.
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We have 3 toilets onboard - 2 at the rear and 1 at the front of the aircraft. They are all equipped with a grip bar.
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.
Many airlines provide crew rest areas on their aircraft, where pilots can sleep during long-haul flights. These areas are usually located in the tail, cargo area or above the cabin of the plane and are designed to be as quiet and comfortable as possible. Other crew members prefer to use business class seats to rest.
No drinking within 8 hours of flightPilots may not use alcohol “while on-duty or within 8 hours of performing flight crew member duties.” The regulations also require that crew members submit to blood alcohol tests when requested by law enforcement officials authorized to ask for those tests.
FAA Drug and Alcohol Rules for PilotsBut here's a fact that might surprise you: while the standard medical exam requires a urine test, it does not screen for drugs. Instead, it is tested for kidney disease and diabetes. Beyond securing their medical certificate, pilots are also bound by the regulations they fly under.
In May 2020 Michael O'Leary, Ryanair's group chief executive, said the airline did not have time to clean between flights and would deep clean just once a day. In contrast, a Ryanair spokeswoman now writes, “Our aircraft are cleaned during every turnaround.” (She does not immediately respond to additional questions.)
Most of the sink water drains lead to an outlet port near the tail of the plane and the water evaporates mid-air if the plane is flying, while for some fleet types a very small amount is captured in separate containers on board. A lavatory Service Cart is used to drain the waste from the aircraft waste tank.
While you won't find a shower on Singapore Airlines' A380s, you will find some of the most spacious bathrooms in the sky. One of the lavatories has a huge vanity, and is probably the size of 10 typical Boeing 737 MAX bathrooms. Airplane bathrooms don't get much more luxurious than this!