In article BSjzb.406749$Tr4.1167963@attbi_s03, Frederick Wilson wrote:
Most Depressing sound: the sound of silence at altitude. When the wind
outside the cabin is making more noise than the power producers, it anit a
good thing.

Depends what you're in. When I'm flying a Blanik L-13, I quite like the
sound of the wind outside the cabin. Even better is the clunking and
rattling sound you get when you're in strong lift!

--
Dylan Smith, Castletown, Isle of Man
Flying: http://www.dylansmith.net
Frontier Elite Universe: http://www.alioth.net
"Maintain thine airspeed, lest the ground come up and smite thee"