The aircraft below is flying at 1,000 feet. What airspace is that aircraft in?

Question

BlackTom AI · Accepted Answer

First, I’ll restate the question and options: The aircraft is flying at 1,000 feet. What airspace is that aircraft in? Options: Class Delta, Class Golf, Class Echo.

To determine the correct class, we need to understand the typical airspace structure depicted on sectional charts around Daytona Beach, Florida.

Option A: Class Delta. This would imply airspace surrounding a Class D airport, which is usually depicted by a dashed blue boundary. Class D airspace generally starts at or near the surface and extends upward to a defined altitude. If the aircraft were inside a Class D area at 1,000 feet, the chart would show the airport with the appropriate dashed blue boundary and the ceiling listed. In the region shown, there isn’t a clear, active dashed-blue Class D area at 1,000 feet near the depicted Daytona Beach area, so this option is unlikely given the chart details shown.

Option B: Class Golf (Class G). This is uncontrolled airspace and exists outside controlled airspace or below the base of Class E. On sectional charts, Class G generally extends from the surface up to the base of the overlying Class E, which can be 700 AGL or 1,200 AGL in many areas. In the Daytona Beach vicinity, the outer edge of the Class C airspace has a base at 1,200 feet AGL, meaning that below 1,200 feet, the airspace is Class G unless you are inside a different controlled area. At 1,000 feet, if you are below the base of the surrounding Class E or Class C airspace and not beneath any other controlled shelf, you would indeed be in Class G.

Option C: Class Echo. Class E (Echo) is controlled airspace that typically starts at either the surface (uncommon for most areas), 700 feet AGL, or 1,200 feet AGL depending on the region. If the aircraft were in Class E starting at 700 or 1,200 AGL, it would be in Class Echo at 1,000 feet. However, in this particular Daytona Beach vicinity, the outer shelf of the nearby Class C airspace has a base at 1,200 feet AGL, so at 1,000 feet you would be below that shelf and not yet in Class E, assuming you’re not inside another controlled area.

In this scenario, since the aircraft is at 1,000 feet AGL and the Daytona Beach Class C outer area has a base of 1,200 AGL, the airspace in which the aircraft is operating is Class Golf (Class G), i.e., uncontrolled airspace beneath the base of the surrounding controlled airspace.

Therefore, the reasoning supports Option B (Class Golf) as the correct choice, with the caveat that this conclusion rests on the location being outside any Class D surface area and below the base of adjacent Class E or C shelves as depicted on the chart. The other options—Class Delta and Class Echo—do not align with the chart’s depicted airspace structure at that specific location and altitude.

The aircraft below is flying at 1,000 feet. What airspace is that aircraft in?单项选择题

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