Airspace Classification & Structure Flashcards
6 cards from real CPC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Airspace Classification & Structure flashcards as text
What is the primary purpose of Temporary Flight Restrictions (TFRs)?
Answer: To protect persons or property in the air or on the ground
TFRs under FAR 91.137 are issued to protect persons or property, provide a safe environment for disaster relief, or prevent an unsafe congestion of aircraft.
Which airspace chart symbol indicates a floor of Class E airspace at 700 feet AGL?
Answer: Magenta vignette
A magenta vignette (shaded area) on a sectional chart indicates Class E airspace with a floor at 700 feet AGL, typically near airports with instrument approaches.
When does Class D airspace revert to Class G or Class E?
Answer: When the ATCT is not in operation
Class D airspace exists only when the Air Traffic Control Tower (ATCT) is in operation; outside tower hours it reverts to Class E or G.
A Warning Area extends how far from the US coastline?
Answer: 3 nautical miles or more beyond the 3 NM limit
Warning Areas are located 3 or more nautical miles from the US coastline and may contain hazardous activity but cannot be designated as Restricted due to international airspace.
What separates Class B airspace from Class C airspace in terms of controller responsibility?
Answer: Class B provides mandatory separation; Class C provides traffic advisories for VFR
In Class B airspace, ATC is responsible for separation of all aircraft; in Class C, separation is provided between IFR and VFR aircraft while VFR-to-VFR traffic receives advisories.
Which type of airspace is depicted by a solid blue line on a VFR sectional chart?
Answer: Class D
Class D airspace is depicted by a blue dashed (segmented) line on VFR sectional charts.