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Classes of Airspace
EAFB DATCF FLT Block I
Question | Answer |
---|---|
Class A | From 18,000 MSL up to and including FL600 and waters within 12 NM of the US coast. IFR only |
Class B | SFC-10,000 MSL around busy airports. ATC clearance required and cleared A/C receive separation services. VFR = clear of clouds. |
Class C | SFC-4000 MSL, 5 NM radius, a circle of 10 NM radius no lower than 1200' up to 4000' above airport elevation and an outer area not charted. 2 way comms, ATC providing service prior and after. VFR only separated from IFR. |
Class D | SFC-2500 MSL, airports with tower. Arrival extensions may be D or E airspace. 2 way comm before and after, VFR no separation services. |
Class E-1 | Controlled airspace not A,B,C or D airspace. When designated as a surface area it will contain all instrument procedures. Has federal airways, airspace beginning at either 700 or 1200' AGL to transition from terminal to en route. |
Class E-2 | En route and offshore areas designated below 18,000' MSL. Unless lower, begins at 14,500' MSL and waters within 12 NM to but not including 18,000' MSL and above FL600. |
Class G | Not A,B,C,D or E |
Surface Area definition | Airspace contained by the lateral boundary of Class B,C,D or E airspace. |
RCA Class D | SFC-and including 5800' MSL and 5.9 mi radius. |
RAP (Rapid City) Class D | SFC-and including 5700' MSL and 4.4 mi radius |
EAFB Approach Airspace | SFC-and including 16,00' MSL, approximate range of 40 miles. Bordered by ZDV Sector 31. |