經過一段爬升後,不久後飛機已經到達巡航高度。20時30分,機組人員進行了最後一次無線電通話,機組人員得到波士頓航空交通控制中心(英语:Boston Air Route Traffic Control Center)的允許,爬升至15,000英尺(4,600米)。20時31分12秒,班機的應答機最後一次返回信息到雷達上。
John Wilkes Booth's boyhood home, Tudor Hall, still stands on Maryland Route 22 near Bel Air. It was acquired by Harford County in 2006, to be eventually
that had been underserved by traditional capital markets. Simon, Jane. Route 128: How it developed, and why it's not likely to be duplicated. New England