Cross~referenced with my previous thread on food safety while travelling ...

See http://filipinaroses.com/showthread....hile-Traveling

... comes the following one, relating to the serving of alcohol when soaring through the skies - at roughly 500mph - at an altitude of 35,000 ft.

www.nordan.org/activities/alcohol-and-flying

Now it's widely believed the potency of, say, one pint of at this altitude is equivalent to three of the same strength on terra firma. ... something to do with cabin air pressure, is my [very basic] understanding. But whether this is little more than rumour - as opposed to actual fact - well ... ... I'm not altogether sure.

Ok ... the article I've posted focuses mainly on Nordic and Balkan Airlines' policies on alcohol. But it could - indeed, IMO, should - apply aboard flights worldwide.