| Term 
 
        | Describe Class A Airspace/Requirements. |  | Definition 
 
        | 18,000-60,000 ft. MSL. IFR only. IFR equipped airplane/IFR rating. No weather mins.
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        | Term 
 
        | Describe Class B Airspace/Requirements. |  | Definition 
 
        | Surrounds very busy airports. Surface to 10,000 ft. upside down cake. need endorsement. Need ATC clearance to enter. Mode C transponder. 
 3 sm visibility
 clear of clouds.
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        | Term 
 
        | Describe Class C Airspace/Requirements. |  | Definition 
 
        | busy airports. (based on # of IFR traffic) 
 |-------------| 10 mile radius
 |------|    5 mile radius
 3, 152 weather mins.
 
 two way radio / mode c transponder.
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        | Term 
 
        | Describe Class D Airspace/Requirements. |  | Definition 
 
        | 3, 152 rule. only need two way radio communication. Usually 2500 AGL from airport and 4nm diameter. |  | 
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        | Term 
 
        | Describe Class E Airspace/Requirements. |  | Definition 
 
        | controlled airspace. starts 1,200 AGL (700 AGL in circles) up to 18,000' 
 below 10,000'MSL 3 152
 above 10,000'MSL 5sm vis. 1,000 above 1,000 below 1sm horizontal.
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        | Term 
 
        | Describe Class G Airspace/Requirements. |  | Definition 
 
        | Uncontrolled airspace / no requirements. |  | 
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