Dear MEL Topic Readers,
How an airplane toilet works at 40,000 feet: The extraordinary science
behind everyday flying
When you fly, there are certain things you are most likely to do, especially
on a long-haul flight. You breathe the air, drink, eat, use the toilet, wash your
hands, and access the Internet if available. How are all these things done
safely, cleanly, and comfortably at a speed of over 900 kilometers per hour at 10,000
meters above the ground where the air pressure is about one-third of the sea
level and the temperature is below 50 degrees Celsius? For example, toilets are
flushed by air pressure, not by water. On a newer aircraft like B787 or A350, cabin
air is completely changed in every two to three minutes. As for the Internet, an
antenna sits on the top of the aircraft to continually point at satellites. There
many things are done differently in the air from on the ground. Nowadays, it is
not just leg space or frequent flyer programs that passengers choose airlines. The
newer the aircraft is, the more comfortable and enjoyable the inflight experiences
seem to be.
Read the article and learn about how in-cabin services and facilities
are provided and operated.
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