In a previous article, Andrew Sarangan said:
The Dayton Class C airspace sits right next to the Wright-Patterson AFB
Class D airspace. A vector for the ILS approach often takes us over or
through the class D airspace. If we are VFR, I always verify with the

Often in a case like this there will be a LOA (Letter of Agreement)
between the facilities that allows the approach controllers to use some of
the class D airspace without asking.

--
Paul Tomblin http://xcski.com/blogs/pt/
....I'm not one of those who think Bill Gates is the devil. I simply
suspect that if Microsoft ever met up with the devil, it wouldn't need an
interpreter. -- Nick Petreley