On 8/4/2019 9:36 AM, Brian Gray via olympus wrote:
I agree with Moose's explanation. I remember seeing the effect in
the sixties on a US internal flight in a Vickers Viscount, and was told it was
normal in humid conditions.
I think it only happens when boarded without a jetway.
Up The Stairs Moose
What if the Hokey Pokey *IS* what it's all about?
Themed Olympus Photo Exhibition: http://www.tope.nl/