No not contrails but
Chemtrails. I have noticed as have many others in the last few years, that aircraft have been leaving trails behind that just don't dissipate like contrails. When Chemtrails do eventually disperse they cover the whole of the sky in a white gray hazyness. There is much more on this subject on google.
http://www.google.co.uk/search?hl=en...e+Search&meta=
The article below is meant to of been sent by an aircraft engineer.
http://www.rbnlive.com/mechanic.html#email
More discussion on Chemtrails can be found on
The Forum which is linked below. If any of you aircraft engineers or other aircrew would care to join in and attempt to conclusively dismiss what many people perceive to be happening in the skies then please join in on the link below if you feel that your contributons may be monitored by your employers on this forum.
http://www.davidickeforum.com/forum/...ic.php?t=28756
Remember please don't shoot the messenger...