Airspace procedures between DEN and FTG are in place because the FTG ATCT has management oversight by FAA Denver TRACON. On an IFR basis FTG runways are treated as if they were an extension of DEN runways.
FTG has a cutout in DEN's 10 nm Class B Airspace. The cutout provides VFR traffic with a means of departing FTG to the east and south without entering Class B restriction. Additionally, DEN's airspace encompasses FTG with a Class E Airspace, which restricts VFR traffic from operating when meteorological conditions are less than 1 mile and restricts VFR aircraft to 700' agl.
Class "B" Airspace
Controlled by Tracon
Class B Model
Please visit www.faa.gov for the latest airspace status.