Margin of the industry average account size of the pilot-scale net capital ratio may be around 20%.

保证金行业的平均占规模试验规模的净资本比率可能是20%左右。

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Radio calls captured by the website LiveATC.net show the Spirit pilot warned ground control about limited space to maneuver.

CNN: STORY HIGHLIGHTS

"Air Force One, missed approach, " the pilot announced to air traffic controllers, according to radio recordings on the website LiveATC.net.

CNN: Air Force One aborts landing, second try successful

"We saw a drone, a drone aircraft, " the pilot can be heard telling air traffic controllers on radio calls captured by the website LiveATC.net.

CNN: Drone came within 200 feet of airliner over New York