I guess this is a reminder for the pilots. I can't remember is this is Hartsfield in Atlanta or O'Hare in Chicago.
This is my contribution for signs, signs. Click the link to see more. 


RedPat said…
Somehow that doesn't fill me with confidence!
Lindy MacDuff said…
Very curious! Wonder what the story is behind that?
Luna Miranda said…
i have never seen this sign in our runways here...scary!:p
VioletSky said…
hmmm, 'extreme ... deviation' does sound a bit worrying!
Dianne said…
would make me worry
Lesley said…
I guess it is always good to have a manual backup!

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