(Refer to FAA-CT-8080-2H, Figure 20, area 3.) With ATC authorization, you are operating your small unmanned aircraft approximately 4 SM southeast of Elizabeth City Regional Airport (ECG). What hazard is indicated to be in that area?

Explanation

Southeast of Elizabeth City Regional (ECG) in Figure 20, a caution box reads 'CAUTION: UNMARKED BALLOON ON CABLE TO 3008 ft MSL. CHECK NOTAMS.' The altitude is stated as MSL on the chart itself, so an AGL value is wrong. The high-density military operations caution applies to the Oceana/Fentress area farther north, not to ECG.