https://www.aopa.org/news-and-media/all-news/2002/june/17/faa-releases-cincinnati-class-b-airspace-final-rule
FAA releases Cincinnati Class B airspace final rule - AOPA
Effective July 11, the airspace over Cincinnati is changing, and that's good news and bad news for general aviation. The FAA today published a final rule that...
class b airspacefinal rulefaareleasescincinnati
https://www.aopa.org/news-and-media/all-news/2006/january/02/minneapolis-class-b-airspace-redesign-to-take-effect-february-16
Minneapolis Class B airspace redesign to take effect February 16 - AOPA
Minneapolis Class B airspace redesign to take effect February 16 AOPA seeks to have VFR flyways added Pilots flying in the Minneapolis Class B area will need...
class b airspacefebruary 16minneapolisredesign
https://www.aopa.org/news-and-media/all-news/2014/february/26/modified-dfw-class-b-airspace-goes-into-effect-march-6
Dallas-Fort Worth Class B airspace changing - AOPA
A modified Dallas-Fort Worth Class B airspace area will go into effect March 6.
dallas fort worthclass b airspacechangingaopa
https://www.aopa.org/news-and-media/all-news/2003/september/19/aopa-recommendations-built-into-houston-class-b-airspace-changes
AOPA recommendations built into Houston Class B airspace changes - AOPA
AOPA's efforts on behalf of Houston-area pilots paid off when the FAA published its final rule modifying the Houston Class B airspace. The rule incorporates...
class b airspaceaoparecommendationsbuilthouston